Physics Unit24: Wave Nature of Light

1#

State Huygen's princo),dx .bu.2xl ie+ehziple.

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 fv7cg:sfgg.n 1 alse 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 li )byh egy anb*u9cf/yj+73j tzhb7)b6 ght 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 attributed y pckwf fuwy6e7da695wn 6,:m 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 enter95rli4+fn djcs into 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 ai+3vo +dh5q6uvx/tt sn r, enters a piece of glass du3 ttvs/q +hvo6x+n5 (index of refraction 1.50), its frequency

A. increases by a factor of 1.50.

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

C. is unaffected.

D. none of the given answers

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a beam of light (wavelength = 590 nm), originally travelw rsh)8r.qebegim3++ing in air, enters a piece of glass (ihsgb8qw+ er3)m i+r.endex 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 fohnxz1 i5lirr dj5 y 1*1gb,vw4r light spreading as it passes through a narrow sl x1yzi rbw*5j4 hl rid1ng51v,it?

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 largi tls*bse 7:r;x1nu2 ge objects such as buildings, whereas light is not notic er:*sxltb1u;n2gs7i eably 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 qr m dp.g+x/q( avdvw, 7/9khilight and dark bands when light passes through two or more narrow slidmk.q9dipwva/ ,g+x/(v7 hq rts?

A. refraction

B. polarization

C. dispersion

D. interference

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two light sources are said to be coherent if theyio0cuumam9a(ulw(9 ; e80 ps g

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 scr 77jla,g 4-x 2fjh+ ifrm/njnceen are in phase with each onx+l cgjnf /jfj ar47i2,-h7m ther?

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 ligddeso - l4 us:pc;.;xaht travel different paths arriving at point P. If the ma;sou s:pd4.xd ce- la;ximum constructive interference is to occur at point P, the two beams must

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

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

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

D. can not be determined.

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14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two beams of coherent light travel different pathgjt3i 7p+7zh bld. 0hls arriving at point P. If the maximum destructive interference is to occur at point P, t7.lglh70 +dizt3p jhbhe 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 cen*v d2b)qf fthdg kfzd 655e4(vtral bright spot in a double-slit experiment, light from e(5vt4*qdfhfvz6 5d b2e)dkf gach 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 bright spot izte0, equ yf+k( )rcj9n a double-slit experiment, light from each openin ue( )ktyf e9+z0qj,rcg 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 ,-xk7ikkcugy8v9 lg)yb oszpx0j6*+ a double-slit experiment, j i7kz9 cuxpyx-v*g)8 +soy0kl ,bgk6light 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 ;nbrxz/k3d yzoaj 6ltyt/ 2 *.experiment, if the separation between the slits decreases, what happens to the distance between the interference frin6/*nt t3by; r/ay2 l.k ozzxdjges?

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 thbh1 u/xfd( ts6at the distance between adjacent maxima on a remote screefxsd ub6/1t(hn 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 coherent light travels path fnm5 z9r z;)hj$P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

A. an odd number of half-wavelengths.

B. zero.

C. a whole number of wavelengths.

D. a whole number of half-wavelengths.

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21#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

If a wave from one slit of a Young's double slit experiment arrives aymcx- mpq 6jn.,icn7vk5 m-w7 t a point on the screen one-half wavelength behind the wave from the otherc6mp77mn wvkm c-x5iyn,q. -j 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 obtbr(*hl*;xm y tain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of *lhx myb*r(; tthe 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-slifbeh 4pea6*uno*j ,h 3t interference pattern using monochromatic lig jfuo4,*hbe 6*ne ap3hht 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 exp(k( mvj746 9vkaoine9c7f)ze /cinbjlains why a prism separates white light into different colors 7c(7/4i 9)69bfoijnmankvc z( eevkj 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 op408,xg;ad/y :ox3auky zxna 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,no))u8aco eis se3 a4 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 is callesfh-3y baq2a *d

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 passing fr l*69c fqq,dnxx1zcyvd+p;qe /a 3qu /om air to g/3 * f;quvdqncq,ac dx yze/x+ l16pq9lass?

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 smallesuy zgxo.3 )x y9sou5+yt refraction when passing from air to guxys ) +zu5o 3gy.yx9olass?

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 incident9wx -pu zmm;*7fsk3m3ow hzo8 on a thick glass plate with parallel sides, at an angle betwe7;x wzpmu-zms3ho *om8wk9f 3en $0^{\circ}$ 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 no 1t:qom yu5ju ):i5c oh8nsy:mw holds up two fingers, with a very small gap between them, and looks at i mo tm5 1hjyq: uc)s8:ny:u5othe 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 dif orm d+1+x3osl wn 6.ka 00nkb:e a,:mnb5hzuefraction experiment, if the width of the slit increases, what happens to the width of the central maximum on ax6 u,aohe :z+l.+rnn 5w03mbokads m e:bk1n0 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 a afi,k()hiokh7d.ng 6.;sjhr nd the other one has 6000 lines per cm. Make a statement comparing the dispersiog h7d skfro )hi6,;aink.(hj .n of the two gratings.

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

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

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

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

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35#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Consider two diffraction gratings with the same slit separation,q;via.b. r cf- 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 statement concerning the separation between the bi - c;q.vaf.rorders.

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 refle wuy/rmy5aoqa 2e5: 0nction 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 interfere coop:( mrn9q3so p0p eue, d+)y(0tg 8kathu:m unstructively or destructively, depending on their phase difference.dhmu 0:op +up3 u09ng a8e o(()ttmyeqkpr,s: 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 boundl4 syf;k ytw10x er7v8ary, there iyxetfw0y;18 s rv 4l7ks

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 inkw m u65/(t)/gaj6n l)u0yzavh kfgw 1 air, is reflected by a glass surface, there iagzukg 5lu)mktjay0 / f(v6 /wh)n1w 6s

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. As6 hf f, x(f/eijfk,,fr the film becomes very much thinner than the waveleng,rx ,f/h ikj6fef, ff(th 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 light in magnesium fluoride, what is the minimym imslnd1 2 04*+gxqeum 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 magn*gy4nlim1sxm e0+q2desium 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 larqjssdha.:o-is)c dzyg) 7 f/4-c(glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are obser7i()zla:s . fc o- js)dds4 qhrc-gay/ved. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

A. a bright red spot

B. a dark spot

C. a rainbow of color

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

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43#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What principle is responsible for the fact that certain sunglasses can reduce ggezsm- ;*gg5a,k ;fyxh)hw lp m:, /deh2qsh*lare from reflected ghp/zg2s fxe;km -*w 5hsl hqd:h gm;,,) *yaesurfaces?

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 polariqb,4 n8dm2ei26/lh e pl alqq5w7nr*hzation is defined as

A. the beam's direction of travel.

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

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

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

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45#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What is the process to obtain polarized light (a; + 3usuq j2 t g+hr.fww-h,zarvc.gin a dichroic material like a Polaroid film?ha3 g(.+t -w qu .vurw2j+ gacr;f,zsh

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 films /(usir7lpom9 sr+xk2+ vt uob8ht6 v0are perpendicular to each other, what is the percentage of the incident light which will pass the two filmrso/u9l 8t2osk( br+u p7 0ti6hx+vmv s?

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 surf;i*v qbn;xp (yace 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;vbqor(5s vl8l (-v daht 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 diffre4(7:mr ced qxaction NOT exhibited?

A. viewing a light source through a small pinhole

B. examining a crystal by X-rays

C. using a microscope under maximum magnification

D. resolving two nearby stars with a telescope

E. determining the direction of polarization with a birefringent crystal

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50#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

On a clear day, the sky appears to be more blue toward the zeni4yys-4tkm oi (th (overhead) than it does toward the hty4o4s-m(ik y orizon. This occurs because

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

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

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

D. none of the given answers

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51#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

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

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

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

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

D. none of the given answers

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52#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light has a wavelength of 600 nm in a vacuum. It passej 2pn8:whbij rk**; fb0nxk+tq c:tv 9s into glass, which has an index of refraction of 1.50. What is the wavelengt8nj:vwq:hxrk n 9k jbib0f*; p*c2+t th of the light in the glass?

A. $600 \; nm$

B. $500 \; nm$

C. $400 \; nm$

D. $300 \; nm$

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53#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light has wavelength 600 nm in a vacuum. It passes into m osq+l)1r4rzglass, which has an index of refraction of 1.50. What is the frequency of the 14 rlmozsrq)+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 passedy.f -e- bn3q54yib xus into glass, which has an index of refraction of 1.50. What is the speed of the lighq efi.x-ny5d-4 3bybu t 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 in vacuum is found to travel at. aks4a2 /+m .d1xlcw)bzqq9 etd1p ae $1.96 \times 10^8 \; m/s$ 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 ny w fb(s9+9s -upbgab+po, bc:m 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 found to tri t,s*(-f ujypavel 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. Monochroild0y kd:3qq y8:9nnomatic light falls on these slits, and produces a fiftn9q:y:8dqn i3l dy0ko h 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 th 7fdecd1 6wko ;:dc*vne third order bright fringeenvc*dfo;: w 6d1dkc 7 is seen 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 z7c2 s,o,zucj separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the z ,c7 os2,cuzjspacing 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 separatiol. h3yjb(szp:x +:kiu n 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. :u k(ijhp3:y +x zbs.lAt 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. Monochejt smvv5dkpn 4. ;d-)romatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringeptmjse54d;dk-v . v)n s?

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 aanu oje2tkr+f8h z:0p- .vf j- slit separation of 30.0 mm. The resultant bright fringe separation is 2.1n- uzt+ f-r0a.o2f8pe jjkhv: 5 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

A. $8.60 \; cm$

B. $7.35 \; cm$

C. $6.45 \; cm$

D. $4.30 \; cm$

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64#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A parallel light beam containing two wavelengths, 480 nm and 700 nm, o:*:e;rfwig iu/hec*kp v r47strikes a plain piece of glass at an angle of incidence of 60e. The indv e4:u/opg*ck:wfe*irr 7h ;iex 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) qikk3p f+h8,)oaa6krand red light (wavelength 670 nm) is incident on a thick pf ioh)36akp k, 8+aqkriece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

A. $0.27^{\circ}$

B. $0.33^{\circ}$

C. $0.34^{\circ}$

D. $0.46^{\circ}$

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66#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

350 nm of light falls on a single slit of width 0.20 mm. What vs 90d99kr oeeis the angular width of the central dif0k d9sev oer99fraction 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 w)8;u; cd:pe+gihz swqu f.f.q ide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on eithe.cueqgp. ffsz i ;hqu+):d;8wr 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 ssc(,cr4kv18iody : x(gprke7 lit 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 s4:ir(gcxdeo 1 y (ckvkr,p78 mm from the center of the screen?

A. $0.39 \; m$

B. $0.93 \; m$

C. $1.1 \; m$

D. $1.9 \; m$

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69#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 610 nm is incident on a slit 0.20 mm(fgvhr;7g g4 8kqd 2gf wide and the diffraction pattern i74qvkfdhgggfg( r8 ; 2s produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

A. $0.34 \; cm$

B. $0.68 \; cm$

C. $0.92 \; cm$

D. $1.2 \; cm$

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70#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 580 nm is incident on a slit of width 0.300 olobr p;u/5n gzd0rav (nu 5-5mm. An observing screen is placed 2.00 m from the slit. Find the position-5b pl;rzauv ( ro0gnnou5/5d of the first order dark fringe from the center of the screen.

A. $0.26 \; mm$

B. $1.9 \; mm$

C. $3.9 \; mm$

D. $7.7 \; mm$

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71#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 580 nm is incident on a swmwhfh;0/ d 1d1k.zfdlit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of th 1fkdz0f1/ d;. whdhmwe 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 grat9d521wiy yizvay mcsf +omzkr6n/:/(ing with 7000 lines per centimeter, its second order maximum is az/1wz/ysfrc:m6ni9 d (2v+ya yim5okt $62.4^{\circ}$. What is the wavelength of the light?

A. $336 \; nm$

B. $363 \; nm$

C. $633 \; nm$

D. $752 \; nm$

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73#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diffraction grating has 5000 lines per cm. The angle between the centr5f , d-1llcqk nqxxy17al maximum and the fourth order maxi l5fkl7 y-,q1dn1 cxxqmum 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 wiz0kp)1rct5(jka 2kj oy f rd0.de and ruled with 50,000 lines. f 1 a2k5r)kj rpdzcjt(oy0 k0.The second-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-orbz:oq/m, xhfi ;dq/ (mder maximum 0.350 mm from the central 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 grati:h ,mm b(dix/qq/ofz;ng. 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 cenpn, typ0g1u fxb m0-3utimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of waveltu gxyfp1b,p0mun 3-0ength 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 gm/z qg.zok3:v jc:ud. rating has 2000 lines per centimeter, at what .zg dv 3ock /:qu:mjz.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 *2+*2 dmxkjt rifsez( the first-order maxiim sj*k x2de fzt2r(*+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 of xdg mr43a4n1tggvjdh67 bm45 wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattervddga7j gm h x5m3tg4bn4461rn 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 50dv. c:oo3 5arm0 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed ato.ovm5: 3rcd a $32.0^{\circ}$, 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 one end byde wv + /9*9j/jnmbyfk a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with ligh+e9w9/bvf dmn * y/kjjt 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. What minimum:bm +ik 10 aso .yukfj0swu-7ycg 6pv4 thickness of this bubble will ensure mkg6+ :y smso.-w0 a0b4ci7uvpjuk1fyaximum reflectance 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 e2835nau gteva.43j zupn lp g-u82uw nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normally on it?va pu3eg 38 w ate8 unln2uz5j4gu-2.p

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 nonreflec;d7mk4a yl/ 6ry1duy *(k klyuting film coating (n = 1.30) on a glass lens (n = 1.50) 64dr mau d/kyy(l;1 7ky *ukylfor 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 beam of unpolarized nufr e3a qk/8+light and the intensity of the transmitted light is 1. A second ideal polariz3u+ 8fkenq/arer 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 direction )9b)iqh0ga 1ddds4 dzrotated $30^{\circ}$ 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 n i8mu 8sch9lyu6k.(lstrikes a flat piece of glass at an angle of 88n .luh(mky 9uic6ls$57.3^{\circ}$. 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 combinationku-h(*+aaxyq4om b.m . The transmission axes of t*-ymo(k b+.hmx a4uaq he polarizer and the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

A. 37.5%

B. 50%

C. 75%

D. 100%

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89#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

How far above the horizon is the Moon when its image reflected in crvx v+rp 77xlt)5behb1 6jg0l alm water is cx0e7lv6b 1)5rl7hjvgbtx+ pr ompletely 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 throuw: r-fpw-.z +n/pqr ipgh a polarizer and then 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 apwp- rrq:w n/p.-fzi+xes 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 lighti8 wgpx h 1hb1sly68p: traveling in vacuum and reflecting off a piece of glass of index of refractionp8lphw1yb:sxg8 1h6 i 1.48?

A. $31.9^{\circ}$

B. $39.8^{\circ}$

C. $45.3^{\circ}$

D. $56.0^{\circ}$

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