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习题练习：Physics Unit24: Wave Nature of Light
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 作者: admin  发布日期: 2022-08-28 11:19    总分: 91分  得分: _____________

答题人: 匿名未登录  开始时间: 22年08月28日 11:19  切换到: 整卷模式

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's princix2 h-n y:rhna3ple.
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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 fqpjc;,q,3 l tfdsjwy qi:t(; (alse statement?

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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 attribut5 6yt 7eda-zz1si1yuged to

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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 b:y9qzl x /3lhau0hss v.h pi6 lr)6i4to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of differenx) guo99mkk 63mot 0ji1/gu(jy o6y0 co(gb tqt optical density,

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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 air uu)w0rz e-3xx, enters a piece of glass (inxwe-)0 u 3ruzxdex of refraction 1.50), its frequency

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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), origin83f(:yeys07 mm4j 5wkw5 gbue/j oeoually traveling in air, enters a piece of glass (index of refraction 1.50), its wavelength57e e35f/ gw 4u0jo8 eyyo:musm(wkbj

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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 throughcgrvzy zb8,dmkira :u (( b/.6 a narrow kguiy(vr6./z( r8z: dbb mc,aslit?

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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 buildings,ej7; kn4z3fb8gr op4cjdub:- whereas light is not noticeably d84e4d7-ou j f;rzkb cn:gbj3piffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is respw a-7dvphw24t;: osnp 3q9hkaonsible for alternating light and dark bands when light passp-ta9kv;wnqos 4pdah72h3w: es through two or more narrow slits?

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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 said5g1a pad/s :q2nxa6 wf to be coherent if they

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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 weo0i qsyg(f/rbb-6 t o5v.y1so say that two light rays striking a screen are in phase with-qo/(o6 fbisobt5v .syy0r1g 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 arrivi5zw yi4jj7x6sq8o*t jng at point P. If the maximum cyzs 87tw* 4ij6q5joj xonstructive interference is to occur at point P, the two beams must

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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 paths arriving at point zz w00d o6(mw.wme+o kP. If the maximum destructive interfz +mk 6.(mowzd w0o0weerence is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spot in a doubg1 s;54v7qmonspszwbw ; ; 0phle-slit experiment, light from each openvm n;b;s0g;q z4ph7w5ws1osping arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in a cxu : r/z+ev0bdouble-slit experiment, light from eex ub:rz+/c0vach opening arrives

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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 br uqrhz4 9xn*+31wx sowight spot in a double-slit experiment, liowurh q z4w+x31xs*n 9ght from

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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 th2of(.uzapsxx 3 jjf*/e separation between the slits decreases, what happens to the distaxj/ a3s.jfz(*p 2oxfu nce between the interference fringes?

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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 betweekicie dty/2 5ys2 fb(9n adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjc5 2id ytb/iy( 9sfe2kacent maxima when the slit separation is cut in half?

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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 trave7b o3d8cw7wt1(d obw 1sth,wm ls 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

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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 Youn z* ,eu;jpq* zqi0 3iwsg2/lecg's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is o e*s 0ze z/quwgj3*q;p2l,ciibserved at that point?

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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 interferencr,f flz-fr/4(z kqmn2e fringes in a double-slit experiment if the separation of the slits is less than the wave2mfrqlk,4(rf nf-/ zz length of the light used?

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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-slild k1t-(zhn / gb:t; zw.+ictct interference pattern using mocciwnt-htt;zl: 1bg.(/ kz +dnochromatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism se wf7lnfb5v; u(y3iup,parates white light into different colors ; l,wv53yf( iuf7bupn is

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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 rav.2 rp*ix(daz*3cfm k0k)( : fdd gqxlinbow to form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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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 77as+rpejok 1400 nm is called

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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 thv), hzdpwb*et * oo73dan 750 nm is called

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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 refhpw9 )1hgu:dy vduw too10 w+0raction when passing from air to gw) : 0d9v+uwhgd1 pw1 ouyhto0lass?

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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 refrmg+ ch6 kca;1vaction when passing from air to glk g +1v;c6mahcass?

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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 2v eu+c61uxw r;,)3gokffd jdis incident on a thick glass plate with parallel sides, at an oe c;f1du)+wx36j ,fkgvr2duangle between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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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/.8 pflj6ouem now holds up two fingers, with a very small gap betujo fmp.6/l e8ween them, and looks at the light source, she will see

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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 t o0.e) 4b ;uh qmorv)0ukhaf/ohe slit increases, what happ fo)v hm;0uq)ehaok0.bu4r/o ens to the width of the central maximum on a screen?

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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 ;m ofw2)3kkbx lines per cm and the other one has 6000 lines per cm. Mab)kok3xm2fw ; ke a statement comparing the dispersion of the two gratings.

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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 separ 5rqhx4 *kz(j t, t 4p3jgvdg,n01qbabation, 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 r aj(qgq3*tk0bz1px,,v 4t4jh5gbd n concerning the separation between the orders.

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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,z8axo l(lin4ction and

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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 construct7q l. z qc)+sz.4vi+ac,kxbiis k m2j:ively or destructively, depending on thei jizb ma +v+,i:iqzsx q.kkcs.4)cl72r phase difference. One consequence of this phenomenon is

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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 travelhsj5q*s . n)yeing in glass, strikes an air boundary, there yn.hse)q*j5s is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, ih(g-tu;nyk rw6r qb+k/ xs0o6r+q mj8s reflected by a glass surface, thn( 0/subyrwo q-xk+m+8kr hqr;gj6t6 ere is

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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. Au/ bowi/0vh-/br*okds the film becomes very much thinner than the wavelength of blue lighb-biv u*o/okh/0 r /wdt, the film

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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 minimup )1 rwm3w/zfym thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refracp)rfw/ yz3wm1tion of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and illuminated from abo3twfykw zn7 v1r:y50bve 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:w kzw3f1y7t5yvr0 bn lens and the glass plate are in direct contact?

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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 sungldv *dlfakre5o4.r- :p asses can reduce glare from reflrl.p*f d ade-4k :rv5oected surfaces?

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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 polari: 9zkle,*h lgh*gz f-nzation is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic g1g6o ry1pxj:xz az .opmwc* 5j9u13bmaterial like a Polarogy cpugazxopjo9r6j31b15mz :* .x w1 id film?

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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 twh:y)8r1ypfkb w9ick ;2 0gsb eo Polaroid films are perpendicular to each other, what is the percenta2s1b0 c9 y ;hpfi b8:ekyw)rgkge of the incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected fromto*7c xm ky*6a the surface of a lake

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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 greatest at -j txbzo()*hadpg :)j

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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 diffracti yosjij)7o3i4r1e u(-.o oyag on NOT exhibited?

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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 mo(m,rlhqt g08pre blue toward the zenith (overhead) than it does toward the horizon. This occurs bprl ,(gm0q8thecause

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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?

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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 k,egtf(,hg jy +fwbfv)l b./,a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of ,eltb, wjgbg/) .kvh+fyf (, fthe light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength d5jy .. hk4/3hvbq n9a gbtp)e600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light ih ka)d4 b3/vn.pq y9tg ehbj.5nside the glass?

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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 glass, which has ;jlg phc0obbyi ,x -+5an indl, b+0c5ijy-pohxg; bex of refraction of 1.50. What is the speed of the light in the glass?

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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 foundwi cby:q 8strxfq)rbk5;y f5 l1+( 8qr to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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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 trafi )u-vcz+o8qyyc l )1vel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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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 traveldol+ 5ye,* roj,m99 jpxua2fraxs 3q+ at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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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.m9 la 2b6rhz5r liezmk7rj/ejtg ;-;) Monochromatic light falls on these slits, and produces a fifth order i zk rji r-l)e blmjzm9he;;526trga /7nterference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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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 ordjjspj;1 gg8k /er bright fringe is seen at an ang8/k; jjjgsg1p le of $6.5^{\circ}$. What is the separation between the double slits?

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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 betwa8++(.ldz/r i o qeyfceen the two slits is 0.050 mm and the distance from the slits to a scr(z. / dqf8++lar yeioceen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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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 separati,)8h2btgcl asn4y6j fon is 2.0 mm, and two wavelengths, 750 nm and 900t)4afh62sn l ,yc8gj b nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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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. M)tan +-xt8lbqkyozfa* 2 kb:: onochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adja:afa+qk:zx*n82ly o k ttb-) bcent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light k4x2oye)z mh sv4f,w-5;py ot is incident on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the douboy,vpk2-ts5 x4zmf )y eo; 4whle slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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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, stbg -r*nij8*l mrikes a plain piece of glass at an angle of incidence of 60e. The index of refrg*r 8mj*bli- naction 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.

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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 oo1s5pu60rbi0av m4n 7dom) :zruv0g (wavelength 670 nm) is incident on a thick piece of)ovsu6 10ado5n bz0r:mprov70m giu4 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.)

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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 9*k j9ru(czn . 40ja3zkfdzsxnd6r3gof width 0.20 mm. What is the angular width of the9. zf3nkuck3d* jnrra0sj9zz4dgx(6 central diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by ligd5 mu8vp7m l. :xvfi/lht of 550 nm wavelength. What is the angular separation between the first two minima lvmuid7 :m lv8.xp/f5 on either side of the central maximum?

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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.ev iixzb/,ie4ln p)4 9 At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern ib9,xii4 le ivnep4)z/ s to be 1.7 mm from the center of the screen?

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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 avu:/v*y emp/ind the diffraction pattern is produced on a scrvemv yi:/ *u/peen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580q f5f x5h)v*aw nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the centf* 5x vh5aw)fqer of the screen.

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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*un4wqon0*ah;-nxs q2 l z1 rufb.x,u nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central ma41 2qb*-uuxrzfu *,xh0n qs onnwl a.;ximum.

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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 secono 4/xi5 nte8) g+q lvsr7p;fswd order maxi+spgn4; rlfi e) 8vo5wxs7q t/mum is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction gratingxwki1 9n9 mupg/ fxic)y25wm0 has 5000 lines per cm. The angle between the central maximum and the fourth order maxi)w/ c1ymxf9n9kx5wumgi ip02mum is $47.2^{\circ}$. What is the wavelength of the light?

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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 isccq :mtw*7po0 75 mm wide and ruled with 50,0 w tmc:7qpo*c000 lines. The second-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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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, l3bfc3tob 4(p ( dv,spkight of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the centr(cfok ,4bts(b3 ppv3dal maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled/2+2et dq xty+qsk.yz0 0 tydi 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 wavelength yt /qt.y 0+stk x+d0 2idey2qz550 nm?

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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 huesbo+l kyd1aee , b10w1o by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 no11 1b doe kylae,bw0+m) appear in the first order?

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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 i nq3 t:0m)vktz10ira maxim) qt1 arnv:ii0ztm30 kum occurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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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 inuhrz/ch3gzy jt 4j2oh5)t o2: cident normally on a grating. If the t2tzjt):2h5g rh3 hj o4uyoz/c hird-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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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 5;k*)1m l. j3,ous og3lqziz4z gljd0a00 nm is incident normally on a grating. If the)oj4gqz.a ollks, zz;jmg3l1ui03d* third-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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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 o pql4 msmv:,4cne 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 wam: 4l,c spq4mvvelength 600 nm?

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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 thicknesnj lw1 4eiz i6-ujq3+us of this bubble will ensure maximum reflectance of normally incident 53i4i-wj enq1lz uju 63+0 nm wavelength light?

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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 soa o;nir5wt74ikco b, wd0 54bdap film ( n = 1.33). What is the minimum thickness of filmd0r;w7, 5i oc4ak4nodbibtw5 that will give an interference when the light is incident normally on it?

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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 film coating (n = 1.30) on ambc 2 r/y/qgxia3t8p - glass la2 y/i8m3pqct/ g r-bxens (n = 1.50) for wavelength 500 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 inzno k qd(-ox g7(-2qlz a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polao(o-qz-7 ngz 2lxqd (krizer 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?

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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 prpx. vq3 brh3-neferred 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

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of glass at an bd8 1bj-n vpc,: gyyc3angle of -:1vy p8ncb3gd ycbj,$57.3^{\circ}$. If the reflected beam is completely polarized, what is the index of refraction of the glass?

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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 transg9ia. gvuj 9d0mission axes of the polarizer .a9gd9j0uvigand the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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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 reb4smiz)n.n 5 3+s amzwflected in calm water is completely polm 54ssa mn)z inwb.3+zarized?

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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 passesgwa, /1+ a3kuf*wv( jjpr3t ur through a polarizer and then an analyzer. In this process, the intensity of the rufg1a wp j/u(wjrk33,v+at*light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

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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 :frt:sxnvj. v-)wz 8 xreflecting off a piece of glass of index of refraction vj:wn. s fr8-v):xxt z1.48?

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