Physics Unit24: Wave Nature of Light

1#

State Huygen's principleaql595di0n ir .

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 following1++,z hxy)fnq jv .**j3oe tzrhfv ib7 is a false 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 lb sqwe)3w;-jj7apxjgk ,82 kkight is attributed 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 attrib+vn4df(gv4qdfk 01 tx uted 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 inio /4hiywv7 v)t u;z q9j;a+asto a 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), originally traveling in airy-lac 7r*w w wj1d9;bk, enters a piece of glass (index of refraction 1.50wd kr71*-a9ycww; bj 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 (wavejmy y:d*/* .lx psgez+length = 590 nm), originally traveling in air, enters a piece of glass (ind de+.jg/xp:y*m* zyslex 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 na fs.hft nmxbd5p0qw;b4my8-qpy,- +frrow 0-8mhnwx- qp;mfp.sq y+f,4y bfdb 5tslit?

A. refraction

B. polarization

C. diffraction

D. interference

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Radio waves are diffracted by large objects such as buildingg htyu808h fs;ep6b(j s, whereas light is not noticeably diffrj 8(shgf;h 80ute6b pyacted. 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 dapiua9v6 osvxx,r7 9/nrk bands when light passes th 9 7 u,pxaiov9sxr6/nvrough 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 b1u2fdy 7u* iile 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 a screen are in phas7rhdn qz;1-nul i 1v3j0t)kkre withuqhkz d7vit ;l0 n3-n j)1r1kr 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 arriv ceai.0z.:2m uod)tluing at point P. If the maximum constructive interference is to occur at point P emz.u.iol tu0dc):a 2, the two beams must

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

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

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

D. can not be determined.

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14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two beams of coherent light travel dif g i0e4kal/hz5ferent paths arriving at point P. If the maximum destructive interferen5h gl 04zaeik/ce 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 o pyorxv q+ei.3oo5 -i x23eospx (u79pf the central bright spot in a double-slit experi xpyq uovr7o+ x-oei .xs25p3pi3(9e oment, 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 of dk99 tslr3q2n either side of the central bright spot in a double-slit experiment, light from each o29t 9r3lfsqkdpening 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 o91 emc /k6vere7gsjqq99nc- a double-slit experiment, light 79j vks-c9/eoe9q g 1crnqm6e 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 exxzy..4elai 1m o) i ug04iyok:periment, if the separation between the slits decreases, what happens to the di4.yi41ozo0m:)l.i eg xay i ukstance between the interference fringes?

A. It decreases.

B. It increases.

C. It remains the same.

D. There is not enough information to determine.

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19#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a double-slit experiment, it is observed that the distance between adjacexoobf*5w ;c(h o0p:h.l tq0zhnt maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in ;oho0 . 0:hqx (fobzwlc5ph* thalf?

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 v x nkk 9(i-7u)z1rscjtd;w3mlight 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 experimentmzfv, iyl9 +4p arrives at a point on the screen one-half wavellz,+v9i m4pfyength 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 fd8+oox rvn, jyw vh )rl fij;:(sc7.3sringes in a double-slit experimencn hi r;+sy7jvo 8xf3o s) lv.r,:wd(jt if the separation of the slits 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 adjacent maxima in a double-slit interference p se nx; j8fhhgfge:hd2h)/,i4attern using monochrf s2)/egf: xhhi48gjn; hd,heomatic 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 e:9 pllw d9f4vdxplains why a prism separates white light into different colord wf:94dp9llvs 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 rai48:lj6l guzq,1jryvbhz )yuid 1 e.2 wnbow 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 :b4qxaz0l5)v o ozm:s 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 slightlyo d/sich+ *n,u longer than 750 nm is called

A. ultraviolet light.

B. visible light.

C. infrared light.

D. none of the given answers

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29#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which color of light undergoes the greates/:b pmvsv y9m3t refraction when passing from air to glass?: m3ymbvs9p/ v

A. red

B. yellow

C. green

D. violet

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30#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which color of light undergoes the smallest refraction when passing from air b ne9sapmwh /(bpa+.4to gae+s.a9nwbm bpp4 h (/lass?

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 thicns;apo/c) g/ 11vkdmg k glass plate with parallel sides, at an a o)d p1g nv1c;s/m/kagngle 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 t lrzm3 pi/:b2 a/3sdruwo fingers, with a very small gap bet r db2/r/zm3 au:spi3lween 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 width of tnw :xaviuyj92 5l ,m5ihe slit increases, whai5j, yiu5va92l:n w mxt 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 gratings; one has 4000 lines pehko(bnvkt87 48z 2lbor cm and the other one has 6000 lines per cm. Make a statement comparing thz4n k h8ov27bbolk8 t(e 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 diffractn;: e*cubt) .xyvo5 eyion gratings with 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 monoc;:5*xcb.tyeyvoe un)hromatic 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 srg -y3t 8hfrrq 21z r7ts:fv0olick 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 monoch;p,xxfmoln5o7+ 0d zv romatic light waves can interfere constructively or d;, vd zolmfx0p+7oxn5 estructively, depending 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 t ztcwdyhgff; +7mg8/0(z6t m oy3z5o1ojr(oboundary, there i r3 fy(jg z; c of601 w58ozt+hygmtdmooz7t/(s

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 fomb kl nc8+hu, -o):gis traveling in air, is reflected by a glass surface, therk +-)oh8g bu:mlfn,oc e 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 thjc+(c6 z+ kntf7(-jl vlwmwits* .9id e film becomes very much thinner than the wavelength of blue light,c+6jwc sdw( vi t-mlljn.7 *k9t(fi+z 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 zea9)k: pr vz zgw+k;,in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied tog,9r+ ;zpzazke kw:v ) a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

A. one-fourth wavelength

B. one-half wavelength

C. one wavelength

D. There is no minimum thickness.

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42#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A convex lens is placev 3 t0jw5szu-ed on a flat glass 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 the lens and the glass plats ut3 0wzj5ve-e are in direct contact?

A. a bright red spot

B. a dark spot

C. a rainbow of color

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

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43#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What principle is responsible for the fact that certain xahbm: fe ;sdq,+2g4(fn co7d sunglasses can reduce gl d ec;da2qf:4x(+o n,hbsgmf7are from 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 polarir qdw0a-;,/sux6o rh ization is defined as

A. the beam's direction of travel.

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

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

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

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45#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What is the process to obtain polarizedk.wkzywswt a72j2. :t light in a dichroic material like a Polatwt7w2 w.2 zsa j.y:kkroid 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 film/ :iet nf 4x.e+1ukqcks are perpendicular to each other, what is the percentage of the incident light which wi .u 4e1t+:fqkcxneik/ll 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 surfa/ur hz jo7+ool6g; /hkce 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 grea z u(73*v7i (thqeztvetest 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 el6rxvl:7jjo96 * owdo 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 sks gtnup0t sg 9h6 cp-i.0y*cg5y appears to be more blue toward the zenith (overhead) than it does toward the horizon. tpn.5u0 9s-0gcsp*tc6ygg ihThis occurs because

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

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

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

D. none of the given answers

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51#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

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

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

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

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

D. none of the given answers

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52#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light has a wavelength of 600 nm in a vacuum. It passes into glass, whi 1fd/hnyfv g:qq(q s7:ch has an index of refraction of 1.50. What is the wavelength off1y(s/: hqvqn7 :fgd q the light in the glass?

A. $600 \; nm$

B. $500 \; nm$

C. $400 \; nm$

D. $300 \; nm$

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53#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light has wavelength 600 nm in a vacuum. It passes into glasj8k 8x s,k vjoxv1;)ibs, which has an index of refraction of 1.50. What is the freqxi,1kojsv)8kb v;j8 xuency 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 inh0wrx,q ana.6- hqa.x a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light in the glass?x 6xqa 0hqwa,h-n.r.a

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 m+ 7 uco h65/gpjhe1xe550 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 7*usta zgd+.d 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 iaeshua-wv(;1 .g0fq550 nm in air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

A. $550 \; nm$

B. $359 \; nm$

C. $281 \; nm$

D. $303 \; nm$

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58#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two thin slits are 6.00 mm apart. Monochromatic ligh nv7deiw.kmbz(a1 ,7zib7lnk+dv3: ut falls on these slits, and produces a fifth order interf bk+ve nu:zl,7ai v7in (1km7dzw3bd.erence 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 fribbo-j+ooj8-nr wa9 vx+ lb 42onge is seen at an angle obxb ovo - 42o9b+8wl+jj -onarf $6.5^{\circ}$. 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 do4am-l +bc6ioui1c9ojm: vn w8 d6z:slit experiment, if the separation between the two slits is 0.050 cimi+4odo69 wud:anvm6jzo-81 :bclmm and the distance from 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 separation is 2.0 mm, and two wavelen6g/x9 wj7gv vbgths, 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 brivg7gw j9b /vx6ght 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 light of wavelength 634 nm oa()* gwdj6,l 5n hv-zh7q eehfalls on the slits. If there is a screen(-lo h) w*vhgez6jn75,eh a dq 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 double slit setup that has q**g3mhe8wl);6s4.rrf j tkst oqsx6a slit separation of 30.0 mm. The resultant bright fringe separation i6q*ssq*34j l. f t8;w6sxero) hrgmkts 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

A. $8.60 \; cm$

B. $7.35 \; cm$

C. $6.45 \; cm$

D. $4.30 \; cm$

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64#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A parallel light beam containing two wavelengths,wy4z0k4 q3rmi )y nst0bg/4j r9qdy(m 480 nm and 700 nm, strikes a plain piece of glass gst94ywiqrd q)ymy kzn/m3 b40r0(4j at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two 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 (wavele7j-t dapb-ub 6ngth 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glass attuj7ba6- bp d- $80^{\circ}$. 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,ez4auz)qb qog k/ 2cir-9 wo7 slit of width 0.20 mm. What is the angular width of the central diffracti-gzrwb) e cuq49a7 2zkqoio/, on 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 vkq,i/z p/5p)cwgx0j0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first twpzwi5x/p/kgcv 0q)j, o minima on either side of the central maximum?

A. $0.36^{\circ}$

B. $0.47^{\circ}$

C. $0.54^{\circ}$

D. $0.63^{\circ}$

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68#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 687 nm is incident on a single slit 0.75 mm wide. At what aqng dcre rx0;1y(p+ -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 +;rn aedxg01 yqr(c-p 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 sligvx k/ gsgrqx(:d*78bt 0.20 mm wide and the diffraction pattern dggxkg bx (*r8sv 7/q:is produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

A. $0.34 \; cm$

B. $0.68 \; cm$

C. $0.92 \; cm$

D. $1.2 \; cm$

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70#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 580 nm is incident on a slit of widthudt7p bngawn-i8zgh xfvtv 7 86hn9 *np685x3 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringi-g773t58*pxu6hnp 8atnv b zx 689gfvnhwdne from the center of the screen.

A. $0.26 \; mm$

B. $1.9 \; mm$

C. $3.9 \; mm$

D. $7.7 \; mm$

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71#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 580 nm is incident on a slit of width 0.300 mmk8)+ nyyr yf1l2x* d; pw;uydkfv02so. An observing screen is placed 2.00 m fromkypl * y;1 wdk0x+r2 vn u2fysdo;f8)y the slit. Find the width of the central maximum.

A. $0.26 \; mm$

B. $1.9 \; mm$

C. $3.9 \; mm$

D. $7.7 \; mm$

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72#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When light illuminates a grating with 7000 lines per centimeter, its q3f :xyrwbigxxy 36oll jx,v*32hr.) second order maximum fyl lq).g xxxr3y, 336i :bwr*2ov hxjis 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 angle between thvarih0.h) cey ik n82v7r5t5 2g-gwfje central maximum and the fourth order maximum 2wcfr7.25n i-atkijh)hyr 0egvgv 58 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 ebb( dgcpw2zu 0u *v93ruled with 50,000 lines. The second-93w z gu p(ebbd02ucv*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 atla9win- tp1. first-order maximum 0.350 mm from the cent.9 nl1itpt -awral maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

A. $479 \; nm$

B. $497 \; nm$

C. $749 \; nm$

D. $794 \; nm$

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76#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diffraction grating has 6000 m)ad pog:toda ( -gdg:3v xy*)lines per centimeter ruled on it. What is the angular separation between *:oaddd- ov )m)g:payg t3x(gthe 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 byjcuzx w; 1;;vc2ypjs/ a grating. If the grating has 2000 linespy cw / 1sv;j;2cjuxz; per centimeter, at what angle will red light (640 nm) appear in the first order?

A. $3.57^{\circ}$

B. $7.35^{\circ}$

C. $11.2^{\circ}$

D. $13.4^{\circ}$

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78#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A He-Ne laser (632.8 nm) is used to calibrate a grating. If the first-order max6xz jm 3d9k0sk/j9xq1urt9l-v0 5z o o /oldeiimum occur9 sr/93voe9t-ok xuolj5i 0qz0x1z/6ddl m kjs 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 no9fc2j f ga,duu 39mmzve+74wtlx +g2armally on a grating. If the +zum9fmgf,uc 7e+2 wa429 jvltgdx3a third-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

A. $0.93 \; mm$

B. $1.4 \; mm$

C. $2.8 \; mm$

D. $8.5 \; mm$

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80#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Monochromatic light of wavelength 500 nm is inciden3(emad9*ywd bbf *e m6t normally on a grating. If the third-order maximum of the diffraction patterw ( dfd9 b*6mym*baee3n 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 platrwjq0l:- )c qvlf h:,je at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed wirjll0 f- )vcq:w, hqj:th 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. Wkvln . z1xv:4w0di -glhat minimum thickness of this bubble will ensure maximum reflectance of nor v k1-:wzi.0 xndvlg4lmally 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 film ( n = 1.33acs z4a k32sztj4-at0 ). What is the minimum thickness of film that will give an interference when the light is incident normally oza-a 2sc40sa 3kt4jtz n 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 oma :2e)g ,k:d+xrch nfilm coating (n = 1.30) on a glass lens (a)ghoem n:2:,dr+ kc xn = 1.50) for wavelength 500 nm?

A. $250 \; nm$

B. $192 \; nm$

C. $167 \; nm$

D. $96.2 \; nm$

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85#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

An ideal polarizer is placed in a be;ekvj fa5e; e-am of unpolarized light and the intensity of the transmitted ligh5k- feve jae;;t is 1. A second ideal polarizer is placed 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 its preferred dir++g,( v5)x;qdbg;xuac o xyqaection 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 fdea - )1swc-kci;v )48hnuui*f e 9fcnlat piece of glass at an angle of c -iuc *a8;ivfn)n e-9)wh 1e4sfcudk$57.3^{\circ}$. 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 hega3yoon15; passed through a polarizer-analyzer combination. The transmission axes of the n5eo ahy;1 3gopolarizer 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 horizong l2 *p(cqs:pyn4,fgk is the Moon when its image reflected in calm water is completely polarig2fpk(n cq,sl4gy* :pzed?

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 pr sd wpqefr7s v/*q897v1u/s4 cwv v:vdocess, the intensity of the light transmitted is reduc d*/ 1 sq8frvpwuqv9 sde7s4v/:7wcvv ed to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

A. $18^{\circ}$

B. $22^{\circ}$

C. $68^{\circ}$

D. $72^{\circ}$

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91#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What is the Brewster's angle for ap7 ;w u:bjbce()e0udlight traveling in vacuum and reflecting off a piece of glass of index of refcej wdb0e)u 7:p( ;aubraction 1.48?

A. $31.9^{\circ}$

B. $39.8^{\circ}$

C. $45.3^{\circ}$

D. $56.0^{\circ}$

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