Physics Unit24: Wave Nature of Light

1#

State Huygen's principle.qddpd4 jt lv+,.wo h-0

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 falsy1qis 0uy58xqea n418vv d 8hut,hh;ne 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 a1ijf 0nygy6hzx 44pc( ttributed 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 /y(0*52m; zr2tgc duprp lesdof light is 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 med s1.gip8(2yqsj 1h wieium 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), origin5 d99s,7)ukr/kjbadkx f0pmj /y7;znkh *ta xally traveling in air, enters a piece of glass (index of refraction 1.50), 0j , 9kbxadtnx p5j)ukd; hk// yz7ak*fs97m rits 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, enar6pqzay 1 3wl+*/7sfceu -gaf* 9xbb ters a piece of glass (indx-3baraas*p +6z gb f f1uec/9*lqy7wex 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 narr2mw1 bx9rjlt+w.h9 jbow sr + .wh 1l9j9bt2xwjbmlit?

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 diffractea3l+0b 9gcwqo.2 sih xd by large objects such as buildings, whereas light is not noticeably dioh2.0as+gwcqi9b 3 lxffracted. 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 alterhxziv1 kilury4 -76u ns.p)u2zm ;ku3 nating light and dark bands when light passes through two or more narroz31x4lp 7 ;v2 u.6sr)-yn izuumhkiukw 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+atl t;(isgt9,j 2 uyf8d wnaaof:f*9 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 qu7+a lf,7fpz;qa (lgtwo light rays striking a screen are in phase with eqz7 p+fq fu ll(g;,aa7ach 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 differentc23w h;,j ,yx2heocb y paths arriving at point P. If the maximum constructive interference is to occur at point P, the2je,b y 3h,2ycx;c woh 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 p1bj :.v(vudthm,o3 glaths arriving at point P. If the maximum destructive interferen. hmgou1v3(,bjt :d lvce 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 xzqqvdd i*:5vk3 ,3ggside of the central bright spot in a double-slit experiment,dz3d v3*5 ,xkivqg :gq 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 central bright6k-d af .h4o8h4t5pfhmkx kx: spot in a double-slit experiment, light fromkf.tx h4: 8hxkf4hapdm5o6k - 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 bright spot in a double-syfomuymp 45uhq,jf.y,8)eq9 .k 8ecl lit experiment . c5e,j 48l uofk8hyyq)9fqmpey ,mu., 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 between the slits d7b nqnv4e6p3decreases, what happens to the distandp n43 bven67qce 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 experivb/yc0 u4nz r;eh)w4lkaf4 *u ment, it is observed that the distance between adjacent maxb lnr*;)0c4efw uy avkh4/z u4ima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when 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 coherente, g+/3kqkhk g-rkak8 rd*i7 c light 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 aod qa,f)5vhgf ,dt, at*0 zf;n Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave frot5dgffzhf 0 n ,qv,),at;ad*om 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 tb oy2nvqrs +w6s ;jhg9fmn ::+o obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the lightw+r29 fmvg o;:nsqsy6 hjbn+: 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 doulvw(pg kxo; t2ns. 4y0ble-slit interference pattern usin(kl .x02g; t4nv pswyog monochromatic 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 sq) rc 5b 8h kgcyd:cj4)9ju7oa prism separates white light into different colors isbk74j5: og )8jcr cu)qshc9dy

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 raih i0-4j1rfgoac)9 o d7 pc+cqrnbow 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 wavelengthjm,/.2 pssplz 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 slightly longer than 750 nm isk / :3wuh.cjrup(:tn h 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 greatest refraction when z::cgj mgcr6, passing from air to glass gcmgj:,czr:6 ?

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 refractiz.gde86gp xi+b 68 dlmon when passing from air to gl6z88g e6bxd.dip m+lg ass?

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 paralluy1jmct)-1mkm5 av-a el sides, at an ymtkmua5) 11--mvjcaangle 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 dis9 ydhi,up s) jy-ac 8v;v3rn)vtant light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she will se3cy sd rp8;nh9j)y)u-,iva v ve

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 experimen8h k;k*raint* t, if the width of the slit increases, what a** ht ik8nrk;happens to the width of the 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 grat: w:- 8poqdmech4y 2zsings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statementdsy 4h8:zc:2qempw-o comparing 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 wn:r aiikmfw8fp+12 n 3ith the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statemena:rkpm 2fn3 +wnii81ft 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 reflection)ajuh4l3y;lg 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 monochre.:e(2 dwvdghomatic light waves can interfere constructively or destructively, depending on their phas e:2.dvehgdw (e 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, ther hev57k n+zj,vg(h 5kcek5zkj,vnh+ c(g h5v7e 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, whi9 s twd2d749ml4ct y5qghenz 5ch is traveling in air, is reflected by a glass surface, l5dc9 tm s47hznd954yteg2 qw there 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 much9eg rg 2o7.m*dzj1dgz;yhor8 thinner than tjryggz9d; 1r*ze doho gm7.82he 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 waveleng; pianut7bwu:9/v wxuh (04zmth of light 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 index of refraction of magnesium fluoride uhp0i /uaz;4:ntuvw 9 bxw7(m 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 glajzs7c3e: 09bg.af3enq(jm cbhm a m7;ss plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. Whj9nazs:eh cmmj7. fqa;7 gmb3 (bc3 0eat 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 responsibga 2v/rh w,n:j8pr i-wle for the fact that certain sunglasses can reduce glare from rer/ah-2 w:pi8r ,gnw vjflected 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 directwcqh . (ba0sgg:,j:ixion 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 obz0 olh gs);fmxf:5x 5h(1wc ce1sww2/kiu-ur tain polarized light in a dichroic material like a Polaroid fiwxi5 )fcs 1:5x1 mrwkuflz;(2cuh gseo -/w0hlm?

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 Polaroir j*c9:qos;p gd films are perpendicular to each other, whsgr; 9j q*pco:at 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 fg7f5 -roxfq9wiq 5;ytrom the surface 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 sunlig+j i wd6zk:y ry9iz40 hc 2nsvsmt+;-hht 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 e1-lfp r;x 9optz(h/ wmxhibited?

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 a go7d66azle7 3m9q2 02coip5scat wlqppears to be more blue toward the zenith (overhead) than it does toward the horizon. This occurs bctg672o qa6 p 09oel3qm2a sid7z5wlc ecause

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 passes into gl(ek:stu8 6gmlass, which has an index of refraction of 1.50. What is the :kgl smt e8(u6wavelength 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 600sk3oaq. +dt-tt*g.5w7y q dml nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of-3dt .q.l+ay 57q *tswgd ktmo 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 passes into gu0zz ; cxcls 93 oa09rt*ahru2lass, which has an index of refraarl90u*h0 ztxacsurzc; 92 o3ction of 1.50. What is the speed 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 550 nm a l)j5 )twnecg4.t ;h0crgxrh lo;h:: 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 ts*f8vud,:j ifl3wlcdm/7v 2u u4pa6r ravel 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 foo488 2i wejfmvund 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. x7 57vih3bh; 8bgr vb0at pcd- Monochromatic light falls on these slits, and pc8av d3xr ;ibvbg-7b7hht50p 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 the third order bright f . 1f+d hdspakaap) tj*n,jm+/ringe is seensfj a/ m.,h1*anj d+p+tkd )pa at 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 tnzh,pt d7tbt x 8sd: )4dcp5h2kkm5 c2wo slits is 0.050 mm and the distance frx2c 5m7zd,kt)dbnchk p852ts hp :4tdom 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. $1.5 \; cm$

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 sep vvoj,g2 nm+l.aration is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distanvlnj+2m.ov g ,ce 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. Monochromatic ligh ,9lhz lp90wiyw1fp2 nt of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interfezn2w wp9ph0fiyl1,9 lrence 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 d/1j/ 7jeb vajrouble slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15avejj/ r7 b1j/ 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 cot i5s(isx9f ebv2ie)) ntaining two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refrv2ifbsix 9)ee5t)(s iaction 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 red light 3k/i2v*6a z4s xwp2bi-aap nyg4ekb-(wavelk3k/vi 6b zgpwaba4easix -p *4y22n-ength 670 nm) is 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. z n 8uru6jr(3 jr2sb1d What is the angular width of the central diffu2jsrd3j b61rn (ur8z raction 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 byb z:kmfd,tq /+x*xxa4 light of 550 nm wavelength. What is the angular separation betwm4d+:f zx*bxk tx/ ,aqeen 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 incidexp(2bb t t)p x-68udvbcz 7ye6nt on a single slit 0.75 mm 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 the center of the screeud-x exvtbz7pct6(b26yp8 )b n?

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 nge5xsz:4e e c(pev 38diffraction pattern is produced on a screen that is 1.5 m from the sli(exg8:zesp e4 3 cn5evt. 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 inx dk:ku aoo,r-*ja2 1tcident on a slit of width 0.300 mm. An observing scree 1djk:au-o r x*,koa2tn is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screen.

A. $0.26 \; mm$

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 incidpn:)lszg t11al7z 1pzent on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. 1:gn zs)a7tl1z1zplp 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 linq0utg 1sd7)z yes per centimeter, its second order maxim 7ytzq)gu1ds0 um is at $62.4^{\circ}$. 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 angltv:i wt2+s9gy59 opzs e between the central maximum and the fou w5yg:tsiz +st99po2vrth 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 wi g5 oojfr5br) :9yq9 lj(:wgdxde and ruled with 50,000 lines. The s5(xor9f :jl: oyr9 g)jw5gbdqecond-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 8*5cduma *fj; +*ffr (9 xb0vrzmykjy600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a dista(+yavcjrj mmu*fdxbz 85f;0* f *kyr9nt 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 centimeter 9wx0ei y -g: ssy8-fkkruled on it. What is the angular separation between thes-ek:0s-iky98y x fgw 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 the grating hasjkp yw3,2tr7v6 z6pmz1f h -wn 2000 lines per centimeter, at what angle will red l3t-6wrn1w,2f v p7mhz ykzp6jight (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 nm8m dqesc;p+ttl9fy0 ;) is used to calibrate a grating. If the first-order maximump f8t+ eq;0 ;ts9lcmyd 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 of wavelength 500 nm is incident normally on a gratir;t9d 4qv. poblk* 8*d 4lgzmjng. If the third-order maximum of the diffraction pattern is ob*bjp. dk4 9qtgv;r 4dm* lzl8oserved 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 7t/dpt6r7tsg/ z1,we0jo hef 2zu 1rs nm is incident normally on a grating. If the thirdt/71h1zftr 0/tw zsue 62d7 sjog, rep-order 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 long is separated from another glass plate at on5rremx6b 10k ne end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 e06kb r1 rx5nmnm?

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. What minimumamofy/rk( ,n* ng+5n g thickness of this bubble will ensure maximum reflectaaf n5ngn( *, g/koyr+mnce 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 hwl - h8hdqre*;ze;(lnm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interfered(lz h ;;q*-ehe8whlrnce 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 of a nonreflecting bqulyub1ub /1k*r4/ cfilm coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 501yubckr/4bu1/ u*lbq 0 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 intensity m+(: qjsia 4fgof the transmitted light is 1. A second ideal polarizer is placed :sagf+m4 jqi( in the beam with its referred 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 it8f:d 7gx,ci jps preferred 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 i6uc9 at:rc:5 k8doqn tn air strikes a flat piece of glass at an angle of 6t59cku :tqo8rac d:n$57.3^{\circ}$. 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 tr uoubs5-*e; rpansmission *b;ruos- e5upaxes 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 it pbkrtmia62yfw o -wf/o/4.0 mccb 72ts image reflected in calm water is compfy70/i cmbkt wa6om4p2 rbcfw/- .2otletely 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 analyz-cx-t, ri*nw mer. 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 tixrm- wn- c*,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 refz-: 64jsgqmt3cat,fn0yl od+61z vfn lecting off a piece of glass of index of refraction +g 0ln6zjd4f1 c ,:so-t tfmvqz3 n6ay1.48?

A. $31.9^{\circ}$

B. $39.8^{\circ}$

C. $45.3^{\circ}$

D. $56.0^{\circ}$

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