Physics Unit24: Wave Nature of Light

1#

State Huygen's principl0rkntdf hzelp7+45m.ui 7r :x e.

该题自我估分: (必填) (满分:1.0分)

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following is a false statemend5(l kgw4v(yyrmw, - wd9ao 4gt?

A. All points on a given wave front have the same phase.

B. Rays are always perpendicular to wave fronts.

C. All wave fronts have the same amplitude.

D. The spacing between adjacent wave fronts is one-half wavelength.

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The wave theory of light is attrqt cfg3 t *.(s qn+6aplt,ar bke8,3vxibuted to

A. Christian Huygens.

B. Isaac Newton.

C. Max Planck.

D. Albert Einstein.

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The particle theory of light isgtk/7tvj/d4ksbds p/j;7t 9w attributed to

A. Christian Huygens.

B. Isaac Newton.

C. Max Planck.

D. Albert Einstein.

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a light wave enters into a medium of different opticaeoqw-h(c/y 0f)y x hf:l density,

A. its speed and frequency change.

B. its speed and wavelength change.

C. its frequency and wavelength change.

D. its speed, frequency, and wavelength change.

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a beam of light (wavelen)f:/dtd symh mb zks:ac-,s04gth = 590 nm), originally traveling in air, enters a pieced-za:c k0ts/ssdb4 my ,m:hf) of glass (index of refraction 1.50), its frequency

A. increases by a factor of 1.50.

B. is reduced to 2/3 its original value.

C. is unaffected.

D. none of the given answers

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a beam of light (wavelength = 590 nm), originally tr(g fss(oo-l )vaveling in air, enters a piece of glass oo( sl) gfs-(v(index of refraction 1.50), its wavelength

A. increases by a factor of 1.50.

B. is reduced to 2/3 its original value.

C. is unaffected.

D. none of the given answers

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What principle is responsible for light spreading as it passes through a na8he clwz),0 xfrrow slc,l 80x efw)zhit?

A. refraction

B. polarization

C. diffraction

D. interference

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Radio waves are diffracted by large objects such as buildings, whe2dvzdlr),*c creas light is not noticeably diffracted. rzd *vdcc2)l ,Why is this?

A. Radio waves are unpolarized, whereas light is plane polarized.

B. The wavelength of light is much smaller than the wavelength of radio waves.

C. The wavelength of light is much greater than the wavelength of radio waves.

D. Radio waves are coherent and light is usually not coherent.

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What principle is responsible for alternating liggw.wauau i (2pqnusg z ,tc;*)9tc,5sht and dark bands when light passes through wsgaz )sucpt ;guc2wt u,9*,qa.5 i(ntwo or more narrow slits?

A. refraction

B. polarization

C. dispersion

D. interference

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two light sources arvp.dr4rnj: tqowk/; )gl.a6 i qt* z8xe said to be coherent if they

A. are of the same frequency.

B. are of the same frequency, and maintain a constant phase difference.

C. are of the same amplitude, and maintain a constant phase difference.

D. are of the same frequency and amplitude.

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What do we mean when we say that two light rays striking ad86u2 mynw24 d a/;yswcl2n* fu +pepa screen are in phase with each wdpsc2 nym82e6d nfupw*y 2la /;+u4aother?

A. When the electric field due to one is a maximum, the electric field due to the other is also a maximum, and this relation is maintained as time passes.

B. They are traveling at the same speed.

C. They have the same wavelength.

D. They alternately reinforce and cancel each other.

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two beams of coherent light travel different paths arriving at point P. v/ 8u)-meicvjIf the maximumc/i-)e m8uvvj constructive interference is to occur at point P, the two beams must

A. travel paths that differ by a whole number of wavelengths.

B. travel paths that differ by an odd number of half-wavelengths.

C. travel paths that differ by a whole number of quarter-wavelengths.

D. can not be determined.

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14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two beams of coherent light travel different paths arriving at point P. If the ydarqn8vi+q:ct1l 4;qra:y1 84t+cv;ld inq maximum destructive interference is to occur at point P, the two beams must

A. travel paths that differ by a whole number of wavelengths.

B. travel paths that differ by an odd number of half-wavelengths.

C. travel paths that differ by a whole number of quarter-wavelengths.

D. can not be determined.

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15#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

At the first maxima on either side of the central bbwd :q.gg a.v:right spot in a double-slit ex.:v ba.:wgdq gperiment, light from each opening arrives

A. in phase.

B. $90^{\circ}$ out of phase.

C. $180^{\circ}$ out of phase.

D. none of the given answers

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16#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

At the first minima on either side of the oegv4wu45z fi2w 62k7lrb: zs8a+p tg central bright spot in a double-slit experiment, light wr2z g+v6pl4w52ku4b aig e:fso78 ztfrom each opening arrives

A. in phase.

B. $90^{\circ}$ out of phase.

C. $180^{\circ}$ out of phase.

D. none of the given answers

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17#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

At the second maxima on either side of tcl: y 6mxsk6mi d* nkaxf*0e4pput54 ,he central bright spot in a double-slit experiment, li4,4se6f a t pxlm5d :** ym6kiuk0npcxght from

A. each opening travels the same distance.

B. one opening travels twice as far as light from the other opening.

C. one opening travels one wavelength of light farther than light from the other opening.

D. one opening travels two wavelengths of light farther than light from the other opening.

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18#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a Young's double slit experiment, if the separatiomz ) nyqm(+mn-n between the slits decreas mzmy-m+ n)q(nes, what happens to the distance between the interference fringes?

A. It decreases.

B. It increases.

C. It remains the same.

D. There is not enough information to determine.

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19#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a double-slit experiment, it is observed that the distance between adjacent h4h0k lxx j8-goyo 0(2j lasxl+wd36smaxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separati386 hxjolw0 l( sh-2+lxyx4gadko0sjon is cut in half?

A. It increases to 2.0 cm.

B. It increases to 4.0 cm.

C. It decreases to 0.50 cm.

D. It decreases to 0.25 cm.

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20#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

One beam of coherent light travels ph:u)nnsbb99hgrso 17 ath $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

A. an odd number of half-wavelengths.

B. zero.

C. a whole number of wavelengths.

D. a whole number of half-wavelengths.

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21#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

If a wave from one slit of a Young's double slit 4fu+v6jry( e( sehtv4m-d (hl experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is obse e(v(r y-fd+ 4( etuvh4lhjsm6rved at that point?

A. bright fringe

B. dark fringe

C. gray fringe

D. multi-colored fringe

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22#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Why would it be impossible toe,pq05gf y9v,gi/5 m e6rrzo d obtain interference fringes in a double-slit experiment if the separation of the slits is less fe5 6og ,epgzqm05y 9vird,/ rthan the wavelength of the light used?

A. The very narrow slits required would generate many different wavelengths, thereby washing out the interference pattern.

B. The two slits would not emit coherent light.

C. The fringes would be too close together.

D. In no direction could a path difference as large as one wavelength be obtained, and this is needed if a bright fringe, in addition to the central fringe, is to be observed.

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23#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The separation between adjacent maxima in a double-slit ocfu5u7 r;/ oq9l iyfoe:sg+1interference pattern using monocoeo1/co :l7i;+f9ruuf 5sq g yhromatic light is

A. greatest for red light.

B. greatest for green light.

C. greatest for blue light.

D. the same for all colors of light.

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24#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The principle which explains why a pr81np.7a.li n p0dydwt 3-sdkrism separates white light into different colors wntds3. iypanr0pk-18d7. ldis

A. refraction.

B. polarization.

C. dispersion.

D. total internal reflection.

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25#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The principle which allows a rainbow tc, 5y5tli( jlpo form is

A. refraction.

B. polarization.

C. dispersion.

D. total internal reflection.

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26#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

White light is

A. light of wavelength 550 nm, in the middle of the visible spectrum.

B. a mixture of all frequencies.

C. a mixture of red, green, and blue light.

D. the term used to describe very bright light.

E. the opposite (or complementary color) of black light.

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27#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light with wavelengtx1sl 4we, jsl;:mq :yyh slightly shorter than 400 nm is called

A. ultraviolet light.

B. visible light.

C. infrared light.

D. none of the given answers

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28#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light with wavelength slightlytxr h;tk5 8a6i longer than 750 nm is called

A. ultraviolet light.

B. visible light.

C. infrared light.

D. none of the given answers

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29#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which color of light undergoes the greg,7+ck0wd teqgcw :)b atest refraction when passing from air to g gebd7 q0)+ :twcwc,kglass?

A. red

B. yellow

C. green

D. violet

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30#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which color of light undergoes the smallest refraction when passinyfi j3 lvp97l+jnr7zm x (gt0*g from air to glassp v7y rx l(3*l09t m7ngifz+jj?

A. red

B. yellow

C. green

D. violet

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31#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A beam of white light is incident on a thick glass plate wt4-h3yy 9vugq9s 4fp gith parallel sides, at an angle betweenf yusyv q9-g4h934gpt $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

A. red

B. green

C. violet

D. None of the given: all colors emerge at the same time.

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32#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A person gazes at a very distant light source. If she now holds up twojzf,e 4a(cj0d fingers, with a very smalz j0df,4eja (cl gap between them, and looks at the light source, she will see

A. the same thing as without the fingers, but dimmer.

B. a series of bright spots.

C. a sequence of closely spaced bright lines.

D. a hazy band of light varying from red at one side to blue or violet at the other.

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33#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a single slit diffraction experio 26b 6n9w*7h5gn7 3 leagbhnko*l03yn seanvment, if the width of the slit increases, what happens to the width of the central maximum on a screen?l2eb5n*6h* oy7 3nak 79a3 bhnng0e6swn golv

A. It increases.

B. It decreases.

C. It remains the same.

D. There is not enough information to determine.

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34#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Consider two diffraction gratings; one has 4000 lines per cm and the other one hwo/qjw gx.i)3 as 6000 lines per cm. Make a statement comparing the dispersion of thexoq)g/ .w i3wj two gratings.

A. The 4000-line grating produces the greater dispersion.

B. The 6000-line grating produces the greater dispersion.

C. Both gratings produce the same dispersion, but the orders are sharper for the 4000-line grating.

D. Both gratings produce the same dispersion, but the orders are sharper for the 6000-line grating.

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35#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Consider two diffraction gratings with the same slit separation, yx;w47h qc2+qs k2izimz)e u;the only difference being that one grating has 3 slits and the wz 2cqz imisu) 74ex ;;q+h2ykother 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the orders.

A. The grating with 3 slits produces the greater separation between orders.

B. The grating with 4 slits produces the greater separation between orders.

C. Both gratings produce the same separation between orders.

D. Both gratings produce the same separation between orders, but the orders are better defined with the 4-slit grating.

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36#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The colors on an oil slick are caused by re9/pl iknlpl56 flection and

A. diffraction.

B. interference.

C. refraction.

D. polarization.

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37#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

We have seen that two monochromatic light wa, i(q/2ne- 5rmuc5z/ ) vpnnpv3nutvqves can interfere constructively or destructively, depending on their phavzuq n cnqre-v/impu/ v 5p3(n5, n2t)se difference. One consequence of this phenomenon is

A. the colors you see when white light is reflected from a soap bubble.

B. the appearance of a mirage in the desert.

C. a rainbow.

D. the way in which Polaroid sunglasses work.

E. the formation of an image by a converging lens, such as the lens in your eye.

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38#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a beam of light, which is traveling in glass, strikes an air boundary, d,-uzie7s-/c cwyjxt2) 3j*; vgiktzthere i t*gv2 x;j,kcsjce3- uy)-t7zdi/zw is

A. a $90^{\circ}$ phase change in the reflected beam.

B. no phase change in the reflected beam.

C. a $180^{\circ}$ phase change in the reflected beam.

D. a $45^{\circ}$ phase change in the reflected beam.

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39#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a beam of light, which is traveling in air, is reflected by 9g k-/x .efvs 3buv yt(7jh*73*grtt psurw3o a glass surface, therefj. eross-x*rwg9v3h vuyt u bt33p7kg(7 */t is

A. a $90^{\circ}$ phase change in the reflected beam.

B. no phase change in the reflected beam.

C. a $180^{\circ}$ phase change in the reflected beam.

D. a $45^{\circ}$ phase change in the reflected beam.

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40#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A soap film is being viewed in white ligh3y ct mf-gr b6. cv0vj(bfnv.aqv8f8 i(4uzn/t. As the film becomes very much thinner than the wavelength of bluefv./fb y6zcv v88(u0bjng4 (.m irancvft-3q light, the film

A. appears totally transparent because it reflects no visible light.

B. appears white because it reflects all wavelengths of visible light.

C. appears blue since all other colors are transmitted.

D. appears red since all other colors are transmitted.

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41#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In terms of the wavelength of light in magnesium fluoride, what is c * *4c; dihktmea8xhg4;ihw*the minimum thicgmwad; hcc 4*x48tkh*eii *;hkness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

A. one-fourth wavelength

B. one-half wavelength

C. one wavelength

D. There is no minimum thickness.

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42#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A convex lens is placed on a flat glass plate and illuminated from above witbof,lq9 y 4xdcygv3- :wsk9 fcw,n+q9h monochromatic red light. When viewed fro9xgbc-,:qvykflwo 4ynf9 q, 9dcw3s+m above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

A. a bright red spot

B. a dark spot

C. a rainbow of color

D. a bright spot that is some color other than red

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43#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What principle is responsible for the fact that certaintaeu2 jw bcc,0 1q)9ct sunglasses can reduce glare from rtucq9c2ej wtba0 )c,1eflected surfaces?

A. refraction

B. polarization

C. diffraction

D. total internal reflection

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44#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

For a beam of light, the .n75ko m xg;rg/xoj(( :krmxrdirection of polarization is defined as

A. the beam's direction of travel.

B. the direction of the electric field's vibration.

C. the direction of the magnetic field's vibration.

D. the direction that is mutually perpendicular to the electric and magnetic field vectors.

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45#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What is the process to obtain polarized light in a d: u6z:qq ,yv9lu w1htlichroic material like a Polaroid flz :qt6hy9lu vu1: ,qwilm?

A. reflection

B. refraction

C. selective absorption

D. scattering

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46#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When the transmission axes of two Porc)qll7+p a t9o:l4aylaroid films are perpendicular to each other, q)a l4r+y allt:7 oc9pwhat is the percentage of the incident light which will pass the two films?

A. 0%

B. 25%

C. 50%

D. 75%

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47#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Sunlight reflected from the surfav t 1v0;cnc.wot46)lc bpc 0idce of a lake

A. is unpolarized.

B. tends to be polarized with its electric field vector parallel to the surface of the lake.

C. tends to be polarized with its electric field vector perpendicular to the surface of the lake.

D. has undergone refraction by the surface of the lake.

E. none of the given answers

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48#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The polarization of suaxv5.zs3 / -pppjtq0k nlight is greatest at

A. sunrise.

B. sunset.

C. both sunrise and sunset.

D. midday.

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49#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In which of the followoz-ybwgyedmc j9-iu 089:4 kek/nq;ring is diffraction NOT exhibited?

A. viewing a light source through a small pinhole

B. examining a crystal by X-rays

C. using a microscope under maximum magnification

D. resolving two nearby stars with a telescope

E. determining the direction of polarization with a birefringent crystal

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50#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

On a clear day, the sky appears to be more blue towa9+o j -n xdrvfc;lhp0tb5 vd:xi,q (o7rd the zenith (overhead) thanr+j5tc bloo9d,:pf-7in q;( v0xxvhd it does toward the horizon. This occurs because

A. the atmosphere is denser higher up than it is at the Earth's surface.

B. the temperature of the upper atmosphere is higher than it is at the Earth's surface.

C. the sunlight travels over a longer path at the horizon, resulting in more scattering.

D. none of the given answers

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51#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

A. $5.0 \times 10^{14} \; Hz$

B. $7.5 \times 10^{14} \; Hz$

C. $3.3 \times 10^{14} \; Hz$

D. none of the given answers

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52#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light has a wavelength of 600 nm in a vacuum. It l,fnx pqjvo7/nwm+ h*e58d( gpasses into glass, which has an index of refracti pmqe nv8(/og,dw+ lj*7 hfx5non of 1.50. What is the wavelength of the light in the glass?

A. $600 \; nm$

B. $500 \; nm$

C. $400 \; nm$

D. $300 \; nm$

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53#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light has wavelength 600 nm in a vacuum. It passes into gl7f wyv2sb:wh-lnk :.e7a.qn1 ww ng p8ass, which has an index of refraction of 1.50. What is the frequency o aeqw:nv.g7nh kl8f1-nw p.7w w: by2sf the light inside the glass?

A. $3.3 \times 10^{14} \; Hz$

B. $5.0 \times 10^{14} \; Hz$

C. $3.3 \times 10^{5} \; Hz$

D. $5.0 \times 10^{5} \; Hz$

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54#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light has a wavelength o2qj5s0 :lsbgg f 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speg 0sq:s52bgjled of the light in the glass?

A. $3.0 \times 10^{8} \; m/s$

B. $2.5 \times 10^{8} \; m/s$

C. $2.0 \times 10^{8} \; m/s$

D. $1.5 \times 10^{8} \; m/s$

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55#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 5i8un6mgkvr 0hv3mccbvp 02 f*sr2c4 550 nm in vacuum is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

A. 0.65

B. 1.53

C. 1.96

D. 5.50

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56#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 550 nm in air is found tb8 k h4pfbx:q3o travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

A. $5.5 \times 10^{14} \; Hz$

B. $3.6 \times 10^{14} \; Hz$

C. $5.5 \times 10^{5} \; Hz$

D. $3.6 \times 10^{5} \; Hz$

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57#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 550 nmbtjsaau5(6 tglh 3 ,3vz l96bp in air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

A. $550 \; nm$

B. $359 \; nm$

C. $281 \; nm$

D. $303 \; nm$

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58#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two thin slits are 6.00 mm apart. Monochromatic light falls 0s1:5v mdr wbson these slits, and p5bdsswr1m0v : roduces a fifth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

A. $164 \; nm$

B. $416 \; nm$

C. $614 \; nm$

D. $641 \; nm$

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59#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 575 nm falls on a double-slit and thfjoqb8 ef0u2)e third order bright fringe is seen ojb2fu)fe8q 0at an angle of $6.5^{\circ}$. What is the separation between the double slits?

A. $5.0 \; mm$

B. $10 \; mm$

C. $15 \; mm$

D. $20 \; mm$

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60#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a Young's double slit experiment, if the separation between the twooz+oy;, ci7w5 pejt1th8l 6 qo slits is 0.050 mm and the distance from the slitso7eji ,6 htto+p85ol1q; yw cz to a screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

A. $1.5 \; cm$

B. $3.0 \; cm$

C. $4.5 \; cm$

D. $6.0 \; cm$

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61#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a double-slit experiment, the slit separation is 2.0 mm, and t3+(ciqk p,emewo wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pem, 3kqc +i(epattern first coincide with a bright fringe from the other?

A. $1.5 \; mm$

B. $3.0 \; mm$

C. $4.5 \; mm$

D. $6.0 \; mm$

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62#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two thin slits are 0.050 mm apart. Monochrb.mr*2d/pn7i hpd ty8omatic light of wavelength 634 nm falls on the slits. If thenb2./ td *hpd8y mp7irre is a screen 6.0 m away, how far apart are adjacent interference fringes?

A. $0.76 \; mm$

B. $7.6 \; mm$

C. $7.6 \; cm$

D. $76 \; cm$

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63#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A monochromatic light is incident on a wo :),xpb.q rwYoung's double slit setup that has a slit separation of 3p)wb:qx w,.or 0.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

A. $8.60 \; cm$

B. $7.35 \; cm$

C. $6.45 \; cm$

D. $4.30 \; cm$

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64#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A parallel light beam containing two wavelengths, 480 nmz; f*ysw ij*wun/a leb*l*z 5. and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two zj5wnu/.i*l*ay *ewl ;*sb zfbeams in the glass.

A. $0.10^{\circ}$

B. $0.15^{\circ}$

C. $0.20^{\circ}$

D. $0.25^{\circ}$

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65#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A ray of light consistu66 d1wjfj w3q orn1p+eez: ,uing of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glz 1+q: j,nud 1fo ew6uwrep63jass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

A. $0.27^{\circ}$

B. $0.33^{\circ}$

C. $0.34^{\circ}$

D. $0.46^{\circ}$

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66#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

350 nm of light falls on a sinlm h(, k5 m,h5jyxdfm8gle slit of width 0.20 mm. What is the angular width of the central diffraction pea5m ,xdhhy,5lfk 8(jmm k?

A. $0.10^{\circ}$

B. $0.15^{\circ}$

C. $0.20^{\circ}$

D. $0.30^{\circ}$

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67#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A single slit, which is 0;l61z( m-v tfgngcb8 ( 7svdvo.050 mm wide, is illuminated by light of 550 nm wavelength. What is thegslgvnm1covf t( 7b-6;(vzd 8 angular separation between the first two minima on either side of the central maximum?

A. $0.36^{\circ}$

B. $0.47^{\circ}$

C. $0.54^{\circ}$

D. $0.63^{\circ}$

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68#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 687 nm is incident on a single slit 0.75 mm wide. /4uvqlo4t7e g;gnwq6x 7 utzd5 h-g6d;cypa;At what distance from the slit should a screen be placed if the second dark fringe in the z;ut qe ;5nco4gla 7d ptwd; 6y6xhgg4uv7/-qdiffraction pattern is to be 1.7 mm from the center of the screen?

A. $0.39 \; m$

B. $0.93 \; m$

C. $1.1 \; m$

D. $1.9 \; m$

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69#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 610 nm is incident on a slit 0.20 mm wide and the diffraup7i-lx /4kh yctionil/-pkx4h7 yu pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

A. $0.34 \; cm$

B. $0.68 \; cm$

C. $0.92 \; cm$

D. $1.2 \; cm$

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70#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An observin0ns.6ycqz zv6 g screen is placed 2.00 m from the slit. Find the positiqn06zz syc.6v on of the first order dark fringe from the center of the screen.

A. $0.26 \; mm$

B. $1.9 \; mm$

C. $3.9 \; mm$

D. $7.7 \; mm$

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71#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 580 nm is incident on a slit ,yysnp y08m)dof width 0.300 mm. An observingd ,8)myysp n0y screen is placed 2.00 m from the slit. Find the width of the central maximum.

A. $0.26 \; mm$

B. $1.9 \; mm$

C. $3.9 \; mm$

D. $7.7 \; mm$

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72#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When light illuminates a grating with 7000 lines per centimeter, itlqbg*o:*lh49ynucaqo ,3 jk 1 s second order maximum is atbq 4*hlk o9:1,n a3ujgy*lc oq $62.4^{\circ}$. What is the wavelength of the light?

A. $336 \; nm$

B. $363 \; nm$

C. $633 \; nm$

D. $752 \; nm$

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73#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diffraction grating has 5000 lines per cm. The angle between the cenwqta1d :m;fnw0 :m l(g-,fh mgtral maximum and the fourth order maximum is f f; l0mntwwdg:(a:m-hqgm,1 $47.2^{\circ}$. What is the wavelength of the light?

A. $138 \; nm$

B. $183 \; nm$

C. $367 \; nm$

D. $637 \; nm$

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74#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Monochromatic light is incident on a graqm8lls06ihh + ting that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen h 0+ 8ql6hmilsat $32.5^{\circ}$. What is the wavelength of the incident light?

A. $202 \; nm$

B. $403 \; nm$

C. $605 \; nm$

D. $806 \; nm$

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75#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a diffraction experiment, light of 600t3,yy,pkp4os8 odk6 1rb; t xq nm wavelength produces a first-order maximum 0.350 mm from the central max8sk,,3 ;q obk d1pxyptr ty4o6imum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

A. $479 \; nm$

B. $497 \; nm$

C. $749 \; nm$

D. $794 \; nm$

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76#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diffraction grating has 6000 lines per cgbs/n-n 4 qs.-bu6zwientimeter ruled on it. What is the angular separi/bgbwn-us-n 4 .s6q zation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

A. $20.5^{\circ}$

B. $30.5^{\circ}$

C. $40.5^{\circ}$

D. $50.5^{\circ}$

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77#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

White light is spread out into spectral hues by a grating. If 1xuec4unz*ya9ifuc3e7n8 : v s4krs2the grating has 2000 lines per ce42n1*sen7xf9 eyua iu83u crzk:v s4c ntimeter, at what angle will red light (640 nm) appear in the first order?

A. $3.57^{\circ}$

B. $7.35^{\circ}$

C. $11.2^{\circ}$

D. $13.4^{\circ}$

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78#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A He-Ne laser (632.8 nm) 4 7yku/,wgzuka nz -.mt(h,*svf ch -xl(p jw3is used to calibrate a grating. If the first-order maximum occum.v3 ugt,(--yjzx 7/lnfkwhcaw,p *hus k (z4rs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

A. $1.81 \; mm$

B. $2.20 \; mm$

C. $3.62 \; mm$

D. $4.52 \; mm$

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79#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Monochromatic light of wavy8fjn .*v d kag1i1s0uelength 500 nm is incident normally on a grating. If the third.*jy08udkiv ag1ns1 f-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

A. $0.93 \; mm$

B. $1.4 \; mm$

C. $2.8 \; mm$

D. $8.5 \; mm$

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80#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Monochromatic light of wavelength 500 nm is incident normally;w vei/8). wzohi 5;exhyau9y on a grating. If the third-order maiye8ewwyho ) i;u .vz 9/ah;5xximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

A. 5

B. 7

C. 10

D. 11

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81#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A glass plate 2.5 cm long is separated frhh/f4,t3;, f x kgfpy3 pea1hv,ccjh;om another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). 3,h3p; e fc , aht;f y/jvg,hfpckh14xHow far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

A. $0.25 \; mm$

B. $0.50 \; mm$

C. $0.75 \; mm$

D. $1.0 \; mm$

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82#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A soap bubble has an index ovyv( s2iz hc6(:kffd3f refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength lightshvcf :z((3f62i dv yk?

A. $24.9 \; nm$

B. $99.6 \; nm$

C. $199 \; nm$

D. $398 \; nm$

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83#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 500 nm illuminates a soap /*rbi+64ucr t;mc lrlfilm ( n = 1.33). What is the minimum thickness of fu+m* 4c6; irtlbrc/ lrilm that will give an interference when the light is incident normally on it?

A. $24 \; nm$

B. $94 \; nm$

C. $188 \; nm$

D. $376 \; nm$

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84#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What is the minimum thickness zzdkpn8 d3mu6-e/wjenz6n.o g34un 3of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelen3d mundn3nz3e /-j6z o w8gu6pknz4e.gth 500 nm?

A. $250 \; nm$

B. $192 \; nm$

C. $167 \; nm$

D. $96.2 \; nm$

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85#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

An ideal polarizer is placed in a beam lm- y m(ll6en6of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred y6l(lenlm-6m direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

A. 0.77

B. 0.64

C. 0.59

D. 0.41

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86#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A polarizer (with its preferred dirrj51r1s a8vhtection rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

A. 0.25.

B. 0.50.

C. 0.87.

D. 0.75.

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87#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A beam of unpolarized light in .z l*snrlua pc2 .gy4zkqfmoa; 76+90puflm/air strikes a flat piece of glass at an angle of 2gmfq7sn9lpf; oz6* m l4u c+.arkl0 au.y/zp$57.3^{\circ}$. If the reflected beam is completely polarized, what is the index of refraction of the glass?

A. 1.50

B. 1.52

C. 1.54

D. 1.56

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88#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Unpolarized light is passed through a polarizer-analyzer combination.v6s12dq/ l equp p,: ssej-m0c The transmission axes q/ujspedm , s s 20pv-e1l6:cqof the polarizer and the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

A. 37.5%

B. 50%

C. 75%

D. 100%

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89#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

How far above the horizon is the Moon when its image refleci4n mosq/eri0 .i8n e8ted in calm water is complete8.iis/ nreeoq0 m4in 8ly polarized?

A. $36.9^{\circ}$

B. $43.2^{\circ}$

C. $46.8^{\circ}$

D. $53.1^{\circ}$

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90#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A beam of light passes through a polarizer al,ue;4 e .s,,blpzt4hpsg (x gnd then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of ,egl4e(, p pt,bhsz; xug4s.l the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

A. $18^{\circ}$

B. $22^{\circ}$

C. $68^{\circ}$

D. $72^{\circ}$

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91#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What is the Brewster's angle for light traveling in vacuum and reflecting off m ojtn3 hu6xe17 djl3ei+7a1u a piece of glassi 1xne7t j6dm7ueh+l 3j 3ou1a of index of refraction 1.48?

A. $31.9^{\circ}$

B. $39.8^{\circ}$

C. $45.3^{\circ}$

D. $56.0^{\circ}$

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