Physics Unit24: Wave Nature of Light

1#

State Huygen's principlcnbkm6x ze: ),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 fal;qa9 w18 l48ln b5nal-k,t-eltnxctose 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 aai69 5u ov*lfm)e6 ewettributed 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 is attributej1navk f5c gs 96 h8fnyeivr4.+pq 2y1d 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 s-r eh+f0ha0fa medium of different 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), origiobc 861pv+lct5y s4 fenally traveling in air, enters a piece of glass (index of refraction 1.50), its ftsc6p+e4yv 8 obc 1f5lrequency

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), oril1xf(b(l dz h9b w dbgq(v(h36 zub-3eginally traveling in air, enters a piece of glass (index3q bd1x-w dl(bez(lb (f3zghv6(9 hub 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 spreadingxiowr p0ypi xa 2--r14 as it passes through a narrow sli0 prai owy-ipxr42x-1t?

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 byox mtg,n, -uza8g6 1n(ykf.s e large objects such as buildings, whereas light is not noticea6,k( ngyo8zt, fsm .-nu1gaexbly diffracted. 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 light and darkx q9f4w)2 h a8v/.;vx k+jlu+jzskvh p bands when light passes through twozvwx4xvu + jkhkf8.slv ;+)aph/ 29jq 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 ary41 ls4d- r1cyyjd g+de 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 9 brp1v34 kcqga screen are in phase wit439g kqbrcv1p h each other?

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. If fxrr: ma : bzdvbq:e+ tlcg*td4(.6i 2the maximum constructive interference is to occur at point P, the two beams mu fvx+l.iqr(db acg:zrtb4t *:: md6e2st

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 trqj vg2tuj 31ox8f r.i;,lp,q6hs -fr favel different paths arriving at point P. If the maximum destructive interference is to occur at pjf2fsq8u., 1rrt;hl6 jvop,g -i 3fxq oint 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 bright spot in aa ;vbxhmp:sruy*/l 4, double-slit experiment, light from:sx*;/h4u yb lmva, rp 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 central brijbc t:buddn ;lb a044409zyr(m bjhv0 ght spot in a double-slit experya( 00z;t bj rb4blb 4hj 9u0dd4cvnm:iment, 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 on either side of the central/0kd1lzm mrm 9 bright spot in a double-slit experiment, light m9zkmrd1 /lm0from

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 elmk6z ;ddqfl 7z28i r3xperiment, if the separation between the slits decreases, what happens to the distance between the intl; 2qr8 z6zlkdi73m dferference 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 ,x(oei*ndvw :the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when:xno ,wd ve(i* 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 ligkky3 +ydx 14cf +6;hjyycn:ajht travels 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 arrive j eiy+cw),fc6s at a point on the scr+ejf) cwy,i 6ceen one-half wavelength 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 interferenceilk+ v,b 0ksa01)uaxyx4 d n*q fringes in a double-slit experiment if the separation of the slits is less than the wavelength of 1au+ xiv0l,*4akdqxk)syb0 nthe 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 interf)owaktg5jh 0 bvq0/sjj/: kx8erence pattern using monochromatic light t 5bxoqw:jj8s )v/0kj/k0gha 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 prisjh2o7 a*ba) drm separates white light into different colodrj *h7a2 o)bars 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 allowsddzkqhrw n4cc+89 3 6a a rainbow to 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 wavelength slightly shorter than 400 nm is calr2s*d nnh-jm-g o/o0ov) :aeeled

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 slitg h wi 5fok;qp6a488xghtly 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(7kuma pv 99gi undergoes the greatest refraction when passing from air to gl9pkiuag7v9( mass?

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 wh nyv*5o kq 2,7,xn6 p usn:6tqxt+sisv8n-i rnen passing from air to ,v -n5xq xt6 , s7nut268yv sns:ko*rnpq+nii glass?

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 waz*oo pn(k6jng z;3j +ith parallel sides, at an anjj3 okazzgn*(;p6+ ongle between $0^{\circ}$ 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 two fipk0.m; ze,i.h6sq qg;. 8wmwcmr0 lqhngers, with a very small gap between themm6. g.m;h; q.sl80c mw,rhq0pekiwqz, 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 diffrah a4n5oe0 ;gt; dwbenx/sg: oyq8s9 8wnp;+wnction experiment, if the width of the slit increases, what happens to the width of tna;w;xbownt4 e ;n:8qd80g 59 /hygo epns+wshe central 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 gratings; one has 4000 lines per cm ukr1 ub y 3etjhf4 sqzlsx9 2332n0vc-and the other one has 6000 lines per cm. Make a statement comparing the dis2 u3n yc3t-2qhk 0ef943sbz xu1lsjvrpersion 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 gratinnjguz-+.a 8eab c y7d9gs with the same slit separation, the only difference being that one grating has 3 slits an j dc8e7zay+gan 9u.-bd 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 slick are caused zay3y. u5 (zt9jxn5 pu,1wgoow 2ufa-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 intehp j q6z,n,b(urfere constructively or destructively, depending on their phase difference. Onej6(b h q,zpu,n 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 trav nu ns:2xbc8q*rawv8:eling in glass, strikes an air boundary, there vbswa2 q:r*:cxu8 n8 nis

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 ,u syup2 etjay :3cfs..nx,1*(liww mglass surface, there imu *,t2wnc l. ap,:1uejs(if.wsyyx 3s

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 ligf0kjk ava 7rhe()ik /xm:1d3v ht. As the film becomes very much thinner than t:akd0/vkf xahi3)k j7v r1e m(he wavelength of blue 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 lightum ga vxjb(-n 9i3)e3o in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The indeievagmn9)ox-3bj3 u (x 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 glasw02g ,dol7 +sxl1nl1v ivj7rrs plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where llr77 w v,d+r1i 0gsj xnlo2v1the 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 respn9qxyx ,zk5+ln )gp:ponsible for the fact that certain sunglasses can reduce glare from refle :zxp ,nxl5ypq +9kn)gcted 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 is defined :+l(jx x0cps/3xaa,ng:aab q 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 dichroip*lp/v, h5ckcv jl-f)0xpgg h (h rb1-c material like a Polaroid fi) pfjgb-p-0k(gv*5h/ h cc h,rx 1pllvlm?

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 a qgjy8tyuyg*e;; *;i nxes of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass the t *e gy;g;yq8*j; yitnuwo 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 surfacerl(h ij9/ 1bim)t*apc 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 sunlight is greates,g3dn+zc5yu pe- 5dtp t 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 diffractio kyawmumz-u1. 4.pi b;n 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 blq3ki jwb; x xtf;,3gfdz87psx ;wd 2l:ue toward the zenith (overhead) than it does toward the horizon. This occurs becausfiqw3xlj, 3d 2tx7:;;k8psbfwxzgd;e

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 hl j1t6s3v 2*6ozhumgcc1t f7a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavel3cjzt tom6l1 7 12ch6h vg*fusength 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 ,ubm-a*f7c8s)u :z x*pcj ikpnm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the f8u *7bpspfc ki*zm) xcu:,-j arequency of 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 of 600 nm in a vacuum. It passesr1 ,ebxmmxsa;rtk8, . into glass, which has an index of refraction of 1.50. What is the speed of the light in the bxk rsmr.;8atmex, , 1glass?

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 550 nm in vacuu gjm z1(so-tw8m 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 ::9oq kgh3ap . 9aibowuc.0ao550 nm in air is found to 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 nm in air is f9sor8/ v 9nzrbound 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 m90u u xj/av4)ryd.kgm m apart. Monochromatic light falls on these slits, and produces a fifth order intu md ygj9arv0k/)4 x.uerference 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-vckl.(xvy,3s slit and the third order bright fringe is seen at an an,ksxl(3.vvy c gle 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 betweenx7- h v6;exhxt the two slits is 0.050 mm and the distance from the slit;7-hxt 6exvh xs 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. g4eh*pfq43p a0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is pla44gqpea 3hf p*ced 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 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 y4,u9zpvev)j. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screenpevv)4 9jzy ,u 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 Young's;b 86 r ut5m,+5pxfcl ncfwdr7 double slit setup that has a slit separation of 30.0 mm. The resultant5 n,ptufcr6mb +;r d7cw8 xlf5 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 wavelengthn( ;h; tbbzat,s, 480 nm and 700 nm, strikes a plain piece of glass at an angle o hta; b;b,nz(tf 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 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) and redzr(d7aumfk d )y c87v tzx;45i light (wavelength 670 nm) is incident on a thick piece ofua5 idf v(; r4cxtz8zm7ykd )7 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 xo/ 4cjjba:z)5dr b, n0.20 mm. What is the angular width of the central diffractiono nr5 bz:d,/4xajjcb ) 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 illuminated by light of 550 nm wavelenx kvcnw 27c0-bgth. What is the angular separation between the first two minima on either side of the central maxib0 2k7cxnvw- cmum?

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 m1gd/5 h 6okmhtm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from thg oh5k1h/6m tde 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 thx-g;2e4p e9v umit pu2f e+5uje diffraction pattern is produced on a screen that is 1.5 m from fv +ip2g2j 5xepum; 4uu9ee-t 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 m yxdm )-8bs*pom. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the ces)x-8 opd*mb ynter 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 of width 0.300 mm. Anb lez nfo0*e b i):o2epe03q.swhm*5w observing screen is placed 2.00 m from t*23n0fe woiq we : se. 5zbehm*op0b)lhe 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 6 ax(ofwxo)h2om (r(hwith 7000 lines per centimeter, its second order maximum is 26 (x mhoo()(rwxhfa oat $62.4^{\circ}$. 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 6d5 knd6+ quwgkb/n3 vni0g)vcm. The angle between the central maximum and the fourkbgi+n0 n g/v3d 56quwkdnv)6th order maximum is $47.2^{\circ}$. 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 grating that is 75 mm wide and a7w-nwkbv* 28sqlbc( ruled with 50,000 lines. The sekq2w s val8bcw(b*n-7 cond-order maximum is seen at $32.5^{\circ}$. 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 600 nm wavelength produces a first-ehfv2cza- *1d order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-orde dha *-fe2c1vzr 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 centimeter ruled on it6b 3qk1m+ave2ez x 2re. What is the angular separation between the second and ra12x+q3e2vkb eez6mthe 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 w):cuww tlpkgo i++z3z m/, p 9,ym4engrating. If the grating has 2000 lines per centimeter, at whaw4 kmlp) mw+:g i , ,9znuczptwyo/+e3t 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) is used to calibrate a gratinz/zhcw z(7phy193wgb g. If the first-order maxi/zg 1(w9hwbc7zyhz3 p mum occurs 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 om h8a*rkc .gi-f wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed-k gm *.r8ahci 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 in lj*. 4kumhn 0w-c0lwkcident normally on a grating. If the third-orcknlwm0h4 0.j*lk -wu der maximum 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 loli b)46,7j sw6vo dcsaj3pcy(ng is separated from another glass plate at one end by a strand of someone's hair (diameter 0aiys,svl6 63j7 j4pcb( co)dw.010 mm). How 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 of refraction of 1.33. Wv*thj5twj7 g-mu1n eos+d .,xhat minimum thickness of this bubble will ensure maximum refl.7wj hsvtnxedu* +j1mto - ,g5ectance of normally incident 530 nm wavelength light?

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 fo0-kujfkdmwr o: x/)1/o ce.hilm ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is in)o-:ooe w0.1xkjd / cr/hkmf ucident 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 of3a refkv jlbz/18 o7w3 a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 5k1 /zf 8re3 alw3jo7vb00 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 of unpolarized light and the intm5z;b4jtn )ugb d.6 ,j:szzvaensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotatgbjj:m 6t un)4zz,5a.s zv;b ded $40^{\circ}$ 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 pro6l(9vtcmkr :eferred direction 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 air strikes a flat2oi -)ahj)szb piece of glass at an angle of 2-ois)j) abzh $57.3^{\circ}$. 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 codglwqukmusx- 7 7z/3ptuh 76n:hzr. 0mbination. The transmission axes of the/k7-h7z d p 3u7qu.grmh xl :znustw06 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 imag.wyo p c:wx6m5e reflected in calm water is coo mx: 6p.c5wwympletely 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 thenk mtt k9ohp3/* (4ggqazu5 kumk89rx- an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and thema* rk-qz5htum u9 gp/kk3x o (kt89g4 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 reflectlb:t 9qq jks6,5 xtd*aing off a piece of gjlb 6,ad :9qst 5qt*xklass 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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