Physics Unit24: Wave Nature of Light

1#

State Huygen's principlex/by 6uzoe2sk d)/.ymj:-fuh.

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 fals6:fhkwwv i ):g mur.;oe statement?

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 attributr5;;uyyccx e 5ed 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 858b*ecz1 b+wh2kbu0dp ir gl*vh 3bhis 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 )jc z;8ja u tpyu(0 bsl4p9z)wdifferent optical 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 (wavelength = 590 nm), orighj( 9z0irq an+j0lez(inally traveling in air, enters a piece of glass (index of refraction 1.50)0ijnq9+h0a ejz(zr l( , 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 traveling in air, e/j pwdar 46vik-k)(asnters a piece of glass (index of refrac4)k ajv kasi6 wdr/p(-tion 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 respon 8vp1p/etn3ef sible for light spreading as it passes through a narrow pp3ee /tvf n81slit?

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 object;.9 ubb;: ocr5sdbd eiv rm.q7s such as buildings, whereas light is not noticeably diffracted. Why is tuv rdd.9m. ibose7:;qb5rb c ;his?

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 forbr+nf +)jlju +oqb/4 o alternating light and dark bands when light passes throughb/u fq b4ojnor+j)l+ + two 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 are said to be coherent io0j ;hk i+v0arf 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 auhc n88np8:qmt,v7 kt4+quzw screen are in phase with each othen7q8p tkc +8n84,m th:uwzquvr?

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. /liu/np * q+k4(i uezr If the maximum constructive interference is to occur at point P, the two beams mk+ r(pie*/u luzq/ ni4ust

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 path*n8 e y er5 jxr).h/akqh1aq(as arriving at point P. If the maximum destructive interferenc qnx1y5eqa8/)khajr r*(eha. e 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 )sl icy*;e jq7t:npi ;-;qyf*1pkadl the central bright spot in a double-slit experiment, light from each opening arriqfji 1-y7;e ;lk apq*)pdtsn:l;*cyives

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 central bright spot in a do ;rho -fxk+upsd e(nbg,m);e;uble-slit experixe ,u( )gp;fe ho;mnbk;d-rs+ment, 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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17#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

At the second maxima onmid4m svg+p55s6 qafxu8 ,oy vra,:o) either side of the central bright spot in a double-slit x 5sp:ui)6r yga,ma,vf+md4o85 qv o sexperiment, light 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 separation betweebd oyoc:7yyj*f u)s;-n the slits decreases, what happens to ju;-yf7 os*y ):bcodythe 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 thatom2dlr ,u)r :- ,nmceh the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima w-nmd lc,erm:rh ,u2)ohen the slit separation 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 tra0j wz8c7 peg4so+j h:fvels path

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 experiment arrives at a point i:ztf.19 .msy pdt5uz kfvx)-**ue jmon the screen one-half wavele u xvi1 dtszy*ftum:.5-9*pfkj.me z)ngth behind the wave from the other slit, which is observed 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 to obtain interference fringeso6 kt *0thq8ei in a double-slit experiment if the separation of the slitsthe0 k68o* qit is less than 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 adjacenqxsi7 8swg;k j;,4iqut maxima in a double-slit interference pattern using mo s8u ;;, ixqk4wsgi7qjnochromatic 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 explaibpdk- ;(3fptj3: 2ww2mom irgns why a prism separates white light into different colorswjfo (ip3 3w2d-2k ;mpbmt :gr is

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 to form i3i sr wl1g3bib .)(1y kifln6x e)n7ats

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 wavelength slightly shorter than 400 nm is cy.gt oq cz mb25)-uss *lt-9qballed

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 sligg awe+tf(y+ arc net74ar,7/r htly 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 t8g9h:luzkh q;(1 lon uhe greatest refraction when passing from air to glas; :8loz1khuqn9( lu hgs?

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 rd7)kcy;vz2bw i t;6nj efraction when passing from air to glasd zyik2tnv b;);w67jcs?

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 with parallel sides,hnm *w477i,:f bwhqywchts / u ,k(u7o at an angle betwf4*y,t hw(: uhbwm7u i7c7 n/oqs k,hween

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 lighbp5d lgp ;4e0lt source. If she now holds up two fingers, with 4e5bl g p0dl;pa very small 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 experiment, if the wid,i)a:tj+ w bocth of the slit increases, what happens to the width of the ce: )c,bjtoiw+ antral maximum on a screen?

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 gra;zm8*5 b*zmm v5zumdv)on9oa tings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement c mb oazv;m*559mz* )moudnv z8omparing the dispersion of the 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 separaydot 8av-/t z j mm ntk6-.0ezy-(n3pqtion, the only difference being that one grating has 3 slits aj0 6zmt 8yovt3madnz- .-- q(ke/n yptnd the other 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 syyb 4jdzaq 2)6lick are caused by reflection 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 waves can interfereia)8 p:xmw km* constructively or destructively, depend:imkxa m8 *w)ping on their phase 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 bvis,y)st.zz bgvq x+o/;pd4-oundary, there ,- )ibt4g+/zd;o vvspy.xqszis

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 a glass surfacbb4m3ks2- qo v6i0yl fe, the2v iq60oy -bfsl4kbm3 re 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 light. As the film becomes very mucj;m7 xrz1 8 1 ge,zzgnp8vhrp4h thinner than the wavelength of xg11erg8 p jnp, h4;rv8z mzz7blue 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 the m,9m1tqpxcwd 6v( )/+ dnnpewminimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that 6qv+dw)mt(mx9 pwn n,d e1cp/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 illumi(9f9t dwg vn;anated from above with monochromatic red light. When viewed from above, concent9dn9tg a(wvf; ric 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 respono7trr kd(fe ;pw-/y*csible for the fact that certain sunglasses can reduce glare ftfr7erwy -;co /*(d kprom reflected 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 direction of polarization ist .hs d0m4pnd3e1wt; t 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 dichroic matqksezq: g8xt* tm 4f,b g(mr*t t:ge bi187zc2erial like a Polaroid :bzs1ctbq,f xtteek:mzg * 882grit*g7 qm 4(film?

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 Polaroid fiuul/p c,uxlg2q: 80 onlms are perpendicular to each other, what is the percentage of the incident ligl0u8go,c: xu ul2qp/nht 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 surface of a l.fkva,i7bkd vg:w n+9 ake

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 sun ;z-.z kdi/+lfuhww7b/+jtbizn( p2hlight 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 following is diffraction NOT efhgg /;kk9l 5wz-,6gu qr9k9m55 pwjc9thojv xhibited?

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 toward the zenith (overhead) tharw .8kbqple ic.k/sb*b w (nh74 o41zqn it does tpl qrs * 8z14. 4 /w(whokekbbicbq.n7oward 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} H z

) 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} H z

B.

7.5 \times 10^{14} H z

C.

3.3 \times 10^{14} H z

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 passes d:xema-s lw2;wd8z)-h l/ eoy/q) u5qr)mp gtinto glass, which has an index of refraction of 1.50. What is the wavelength of the lighq/gw-oslw/tu5e zmxdq- 2 dp)a)8h )ml:eyr; t in the glass?

A.

600 n m

B.

500 n m

C.

400 n m

D.

300 n m

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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 glass, wxze 2e/d4c9bwi06qih hich has an index of refracti c6ziewxed hb409i/2 qon of 1.50. What is the frequency of the light inside the glass?

A.

3.3 \times 10^{14} H z

B.

5.0 \times 10^{14} H z

C.

3.3 \times 10^{5} H z

D.

5.0 \times 10^{5} H z

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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 of 600 nm in a vacuum. It p gz,wdkyevs.x:8-n:xmz d2 :pl1ae;masses into glass, which has an index of refraction of 1.50. What is the s.k,ln: 1pz m8 vwg-x:dam2;eyde :zxspeed 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 550f5i 9w)lxbq: c 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 to travel at qkeujvn o5a.. c8/k/un,q4n y

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} H z

B.

3.6 \times 10^{14} H z

C.

5.5 \times 10^{5} H z

D.

3.6 \times 10^{5} H z

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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 nm in air is found to t1bzw5azhhzgc; cm6 a)+8bs9s ravel at

1.96 \times 10^{8} m / s

in a certain liquid. Determine the wavelength of the light in the liquid.

A.

550 n m

B.

359 n m

C.

281 n m

D.

303 n m

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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 fall)j0ej,c 5 zdz-f 9t*gapo ilsmk87d.g s on these slits, and produces a fifth order interference fringe at an angl9 mj )zj *f87kagdpoegi05, scltz-d.e of

{32.3}^{\circ}

. What is the wavelength of the light?

A.

164 n m

B.

416 n m

C.

614 n m

D.

641 n m

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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 anek tvzan(4 fayf* l:69d the third order bright fringe is sl 6*f4n: zea(a9vftky een at an angle of

{6.5}^{\circ}

. What is the separation between the double slits?

A.

5.0 m m

B.

10 m m

C.

15 m m

D.

20 m m

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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 two slr3 (mqc +ef yn qe9f/jnx5ppw):9ws7rits is 0.050 mm and the distance fr/9n (w: e+jy)wxrrpq 397pfef5nmsq com the slits 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 c m

B.

3.0 c m

C.

4.5 c m

D.

6.0 c m

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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 two waveleng)ym p j.ota*(/4lujpeths, 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 pattern first coincide with a bright fringj lejo uym*appt.4/()e from the other?

A.

1.5 m m

B.

3.0 m m

C.

4.5 m m

D.

6.0 m m

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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 o u6 eu7*ptra/qwx u2.kaj9 5japart. Monochromatic light of wavelength 634 nm falls on the slits. If tj 265ra/ waeo*k uxpju.9qut 7here is a screen 6.0 m away, how far apart are adjacent interference fringes?

A.

0.76 m m

B.

7.6 m m

C.

7.6 c m

D.

76 c m

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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 Young's double slpv ; zeh/xtib,6jwf/+ it setup that has a slit separation of 30.0 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 bri t+; ph,w z6exfijbv//ght fringe and the zeroth-order bright fringe?

A.

8.60 c m

B.

7.35 c m

C.

6.45 c m

D.

4.30 c m

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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, qzxr(*aj,:b qe )/osf aw)8os480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. T fxjoo(: ew)ss/aq*z, bq)ar8he index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams 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 consisting of blue light (wavelength 480 nm) zdo bpso( iu90/ 8ru hr9h)a4sand red light (wavelength 670 nm) irod4az8us9p(ou0 bh)hr 9si/ s incident on a thick piece of glass 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 single slit of width 0.20 mm. What is the angv)2 ffne vkylbwl;qg v9)/g:4ular widthl4l;wbgveygfqvf /9n ) k:v )2 of the central diffraction peak?

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 0.050 mm wide, is illuminawnfifs 2b.gx+avf b 5q+b(+1z ted by light of 550 nm wavelength. What is the angular separation between the first two gqxbnfb. i(+wfsa 2++vz1b 5 fminima 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.i1 qfyl j2v +oj.xdw jj+)q/u5 At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1ud+o)qf j y/x1ijv2 jlj5. w+q.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 sligjc+ oaql ux10 t:vj;4t 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is t a1tc+:o gx;uq4v0l jjhe width of the central maximum?

A.

0.34 c m

B.

0.68 c m

C.

0.92 c m

D.

1.2 c m

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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. vab( 2gobr3kv/9 gg8o upl2h . An observing screen ivgbu(lk ga 22p/ovg9 3h8rb .os placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screen.

A.

0.26 m m

B.

1.9 m m

C.

3.9 m m

D.

7.7 m m

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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 of width 0.300 me):nzawr 0k+ mm. An observing screen is placed 2.00 m from the slit. Find ther )aekm: nw+0z width of the central maximum.

A.

0.26 m m

B.

1.9 m m

C.

3.9 m m

D.

7.7 m m

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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, its second orde(o*qi xge i:4jr maximum i:i(q4*xijg oes at

{62.4}^{\circ}

. What is the wavelength of the light?

A.

336 n m

B.

363 n m

C.

633 n m

D.

752 n m

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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 be vs-6+dphp :ue7ef, nbk2m l.utween the central maximum and the fourth order m:eh 76p+2f vme,nu-p bk.dlus aximum is

{47.2}^{\circ}

. What is the wavelength of the light?

A.

138 n m

B.

183 n m

C.

367 n m

D.

637 n m

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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 grating tcus 3n00b 7*mb,pe.7d 6s klyty+vaqchat is 75 mm wide and ruled with 50,000 lines. The l v mn+b tqu6debc,3p0s.ya*y7k sc07second-order maximum is seen at

{32.5}^{\circ}

. What is the wavelength of the incident light?

A.

202 n m

B.

403 n m

C.

605 n m

D.

806 n m

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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 600 nm wavelengx qxx5ex(; oq0cigug7sn2) 2 it1 tc5kth produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mmx(et gx1 0i c7cs o; nq52x2ktugqix)5 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 n m

B.

497 n m

C.

749 n m

D.

794 n m

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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 liww0uzr i0k*an fl/ ((mnes per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of ligr0 /wu(il*n fz( awkm0ht 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 bets7(/ oxn.wrv zt)b8khj)n+y a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first oe r8z)twovxs(/ t.k)jh7n n+brder?

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) is used to calibrate a grating. If the xwso*knde78 1/z gs2lfirst-order maximum occurs at lg oxzw2d8s/n1ek7*s

{20.5}^{\circ}

, what is the grating constant (the distance between the slits)?

A.

1.81 m m

B.

2.20 m m

C.

3.62 m m

D.

4.52 m m

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79#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Monochromatic light of wave crs0wip9oel kk)3q6j 4ld94olength 500 nm is incident normally on a grating. If the third-or)4esrwo l3ikjq64kp c9 9old0der maximum of the diffraction pattern is observed at

{32.0}^{\circ}

, what is the grating constant (distance between the slits)?

A.

0.93 m m

B.

1.4 m m

C.

2.8 m m

D.

8.5 m m

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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 ol4iu ysejh9 +(m;d1szn a grating. If the third-order maximum of tm;y1jlhs 9d4(u es zi+he 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 from anothercfdlkgpwj- , 815fs 0tw( (a*maf2b hg glass plate at one end by a strand of someone'sa fa2,(fkfl8 1bs5t(-*wjg cwhpm 0dg hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

A.

0.25 m m

B.

0.50 m m

C.

0.75 m m

D.

1.0 m m

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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 ofuycn*p6 z61ea refraction of 1.33. What minimum thickness of this bubble will ensure maximuc n* 61pazyu6em reflectance of normally incident 530 nm wavelength light?

A.

24.9 n m

B.

99.6 n m

C.

199 n m

D.

398 n m

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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 film ( n = 1.33). What is the *qax7p8 o/qmga xs3q.minimum thickness of film that will give an interference when the light isxm* a .8/q7axqgoqps 3 incident normally on it?

A.

24 n m

B.

94 n m

C.

188 n m

D.

376 n m

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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 tnxy i.u)u0 9*yswtw-chickness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.u 0s xiw9wnt.u*c-yy )50) for wavelength 500 nm?

A.

250 n m

B.

192 n m

C.

167 n m

D.

96.2 n m

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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 of unpolarifmy9j 1 ixvg/-zed light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its refer yx1i fjmv9/g-red 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 direction rjg6eje8 n 7 2pzmpq)bsg9.- kyotated

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 air strikes a flat piece of glass at auau 3 utlyv6b.:1 qz;an angle of u q ya;t:3 al1bv6.uzu

{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. The trqy8pv2u+x 1thg8pw;e, td) vf ansm uqvfhw+ 2vxpty pe1d88)gt;,ission axes of 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 reflected in calmo/u1-) l( lddn, zbjpx water is completj,1np dl d)x olu-/z(bely 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 and then an analyzer. In this proc7ee k ;1 pvoyxexo,63less, the intensity of the light transmitted is reduced to 10% of the intensity inci7;k,e3 evl op1xyx eo6dent 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 v9 9kdaihk)k o9acuum and reflecting off a piece of glass of index of refrkiokd9 9)a9k haction 1.48?

A.

{31.9}^{\circ}

B.

{39.8}^{\circ}

C.

{45.3}^{\circ}

D.

{56.0}^{\circ}

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