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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 princip0 1jawams u:( )dvcjq*le.
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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 falettublz p (55w*lu(wk8fx u /,n0bcc,se 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 attribso19zud o(8 5rnt xf3euted 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 tovdyz3 k)a2mu s5zxb ei:op,,6

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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 dqf +xl8.iqn5medium of different 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,twlm0hi; d+, 2 laye-dtrvy* . enters a ph+t,yv2ylda;*wm.r-ie0t ldiece of glass (index 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), originally traveling in air, enters o5aaykkrq) :5 a piece of glass (index of refraa):5 okkyrq5action 1.50), its wavelength

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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 p;nt(i7m) 1 x,qwg:d yoaqzyk6asses through a narrow slioyxk :(q 7)n wgm ,dat1qy6i;zt?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffclqqvsphqr8 /y 6i8q 20bn2p;racted by large objects such as buildings, whereas light is noh6bcql0q8inrvpyp82qq; /2 s t noticeably diffracted. 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 responsible for ae3rf2 qtb,/1d v:o(l sangin:c:dta 8lternating light and dark bands when light passes through two or mcan,avo l:3tf2: nsrtd(i8b/: e 1qdg ore 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 7 h)qq s)z. tcr4ro-mbsaid 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 we say that two light rays striu7*0y 3h yg4/upk hfsxking a screen are in phase with each other?s*ufk34g px07u/ yh yh

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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 traf ,ltuqrrpjd25)5z -aib6 g3(bvrwn1 vel different paths arriving at point P. If the maximum constructive inter lqwz i5rbfa51gj b),r-2r nuv63(tdpference 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 pathlt 7k i+fhym +fpk,/a)s arriving at point P. If the maximum destructive interference is to occur at point P, the two beams mha/+ )kf7tk pf +lmi,yust

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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 dou90aqle9s2pp .;ca,gq wa :ix mble-slit experiment, light from each openisaqgc0 p px;q.aa,e 92i9m:lwng 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 spot9+zys+,s yjz l in a double-slit experiment, light f,9ys++z sjyl zrom each 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 bright spot in a double-slit:o4eslkrr-b 39d 0 fuoo6kvq6dsq *p,xq4 /bt experiment, light fr9k q-3 svf 6 6r*tx0eb:o l,udbo4r4qp/d oqksom

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the sliryiv-- 4 lyzn;v;ji ,z .xxmq;ts decreases, what happens to the distance be x;-,4 jv.my i vizynrx-;zl;qtween 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, ioqf7b3np5a6ka okf8)k p 9s c.t is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in halpb3a86s. okf ac7 kqf)nop95k f?

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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 patpws7jfz b 7 m1uwgl0v4m)en sz07t:c6 h $P_1$ 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 Young's double slit ei-gwix3 gpvwyk13y.tu1n f; 5 xperiment arrives at a point on the screenfnpui k wy i3v;1.wgg3t15x -y one-half wavelength behind the wave from the other slit, which is observed 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 intemu4s9s uhn.tuh6 ;c wy.v0x;rrference fringes in a double-slit experiment if the separation of the sli h xwn.4h;9y.umc;06uvrss ut ts is less than the wavelength 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-sgwa jvo4nv.c9/h pew9gy9/+ *scm2t dlit interference pattern using monochro gw/e9 .v4+ osmwh2jdypcvc9a g/9*n tmatic 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 separates7g60sf: vzl 5hxt+q ca white light into different cot7g s z6c:hv50+aq lxflors 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 rair12jf;/ g bw2pdf6av01 tykad nbow 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 400 nm isi:y ) pgx:tr;(xgo(m u 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 than 750 nm is cave uqg-xwku5+7it* u80pmd 8wlled

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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 cub5w yv nce5yksh0o. ; 4:+kigreatest refraction when passing from air to glass?y +n5 s;kbwce5c.vo4uky : h0i

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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 refrat:,k: woo (wvz/ 1efdaeo16pyction when passing from air to glassow:: toyz,f 6 ek 1dwv1/a(ope?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass plate with parallel o, dtq8s fbmfuo )-8(wsides, at an angle bu8 bdt,(w o8sqf)o -mfetween $0^{\circ}$ 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 5 bx;a(bed/5(djxkutdistant light source. If she now holds up two fingers, with a very small gap between them, and l b;a(55 b dej/(xtxdkuooks 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 experimu k ihdd24mc gb2-)e3ment, if the width of the slit increases, what happens to the width of the central maximum on mm2c u 4i3e2ghdkd-) ba 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 lines per cm and hhjgy+-x ea,1b/b wf, the other one has 6000 lines per cm. Make a statement comparing the dispersion-x, ,b/ 1hb hjewfg+ya 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 gratin793v/brbmiebi6y ut / gs 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 monochromatic light, make a statement concerning the separae3m /utbi ryvb7bi 9/6tion 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 reflecty)- lbwql/:jd mu))lxion 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 monochromat+s .)f6) emxs7szp:u t3oghghic light waves can interfere constructively or destructively, depending on their phase difference. One consequence of this phenomenon iszp xgsshg . mo6e:f3hu)7+s)t

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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 glassp0wi/auu:8 y zn))wuj , strikes an air boundary, there uay ))/p0jnw:8iw z uuis

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is reflectx3t :q 6m z)uieaes0.fed by a glass surface, .e63 )s:e miaftxquz 0there 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. As the film becomes very x3dteqw efe0bh.r0) 5 much thinner than the wavelength of )0w.e hr05b fdqxee t3blue light, 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 fr wn utb-)2;ciluoride, what is the minimum thickness of magnesium fluoride coating that must be applied 2)rcwbinut;- to 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.)

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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 illumi/iq8l umri l270 *y2pgh- drtgnated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exactriggyqd ipl /2 r0*thum l278- center of the lens where the 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 sunglasses3* qll2exyzh:/rdt /c can reduce glare from reflected surfacesyzt / ehd:2cl3q*/r lx?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarization is define16r ljg.3 vyxid 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 dichroicrs0 y + w*fhi5qyv-v8d 0)zxha material like a Polaroirvfz5av-yxy dw h8s*) +q0i0hd 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 t .ssuz c2-iue)wo Polaroid films are perpendicular to each other, what is the perc sz.)i-su ue2centage 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 from the surface ofzt8g54)hd ,ec c pv0th 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 b 41tnd41u+qpr 5hjri greatest at

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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 3 kh2h )xljevaq-70usis diffraction 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 more blue toward the zenith (overh3hwf04 wd v k/ftf4*lxo-zw: lead) than it does toward the hlw fx*30-d hf k4fw l4o/:vztworizon. This occurs because

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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 a vacuum. It pa0r8tm7ghtp9y /khlg8+nco l5;* ueey sses into glass, which has an index g k gymp0ethlnucohr9 8t5 ;y+7l8e/*of refraction of 1.50. What is the wavelength of the 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 600 nm in a vacl3y2 d:a j9f r5s4 32awyqirtduum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the lightjs 49y:qt5if 3yl2a3a wr2d rd inside 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 gteoo/+*ar 6dg lass, which has an index of refraction of 1.50. What is the speed o+*d atoeg /o6rf 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 found to8htulf.8o,pz 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 is0 8k,pjsy4ukqy1 hda; found to travel 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 izzdlg((m .ol0s found to travel 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. Monochromatic light falls on these slits,cs;*8 qzbpkt.-f-h mu and produces a fifth order interfere-hszpmbkf-. 8t * c;qunce 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 575f5 l.xz,t:/e ofanit1.dc zwc0c * ;wy nm falls on a double-slit and the third order bright fringe is seen .ax,.*c / 1fc: ifwte5;ntyzw o0czdl at an angle 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 seb:/)u1y2zj v -fj vzpoparation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing betwv)j/- jo1:pu bzfz y2veen 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 separpl 9fa(qq g(i:ation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coinci:fpg( 9a i(qqlde 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. Monochromatic light of wavelength 634 nj*k zulvl 0b 1)m)nd 7aind*5xm falls on the slits. If there is a scr jn*kdiu*1)av )n mxb 5z7dl0leen 6.0 m away, how far apart are adjacent 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 is incident on a Young's double slit setup wsy4ox umng) o1b n5l5bn u/i9 x-a4+ithat has a slit separation of 30.0 mm. The resultant bright fringe axi1 u n x4obw)5y-gsunn/mo4 il95+bseparation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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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 ck; we;hs1txd8of q3v -ontaining two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refr1vs3 he -w;qk;to dfx8action 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 (wav9p(g)c1ta)qkj1 +wy y up*fzyelength 480 nm) and red light (wavelength 670 nm) is incidentgu*f qwkc yjpz9(tp)a +)y1 1y on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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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 obe+k06 0ii wkn 1bgrs+n a single slit of width 0.20 mm. What is the angular width of the010neii6wb +k rksb+ g 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 light odjfyz6g6h79 if 550 nm wavelength. What is the angular separation between t6djig yf67h 9zhe first two minima 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 slyn n:1zl7c1klm :0pgu h:j3txit 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 cghylpuj3 m:x:z 7 1n1knlt:0be 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 /8wdhk,hr; phnm is incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?r8 h hw;,/pkdh

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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 mm. A,7ou k+9jfzxu n observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from+f,xokj9 7uu z the center 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 dh 2vh(za 0t92 c:gu2ljnnq;x580 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 maximun9tj(c d;qa2l :2nh0 zh2v xugm.

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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 pd5n6ivc8 oc k:er centimeter, its second order maximum ioic5 86ndcv :ks 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 grating has 5000 lines per cm. The angle between the centrcc 8rclu q3/e +ydk3 81p m(6yn)yjjklal maximum and the fourth ord l ec1l)ju cpmcknk3q( y8r+/y83d6j yer maximum 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 is 75 mm0 5c5xuytn r,0yqaw0r wide and ruled with 50,000 lines. Thec5ut yw 0ryrqn0a,x 50 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, light of 600 nm wavelengtxyr)d*,jq f:a*5m8cvfw e;rn h 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 0.870w e;j)d: m,nv8r f *r5qayf*cx mm from the central 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 ru5g w 7x0)q2c cjkeo.sgled on it. What is the angular separation between the second and the third orders on the same side of the central orderj .wccx75s0ge2k ) gqo when the grating is illuminated with a beam of light of wavelength 550 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 hues by a grating. If the i(wy 9t1y41e-ujys s vgrating has 2000 lines per centimeter, at what angle will red light (640 nm)1yy vyui(1e9t-sjsw4 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 (632.8k.hdk8h0hs *cd,ls(1mn1 dec nm) is used to calibrate a grating. If the first-order maximum occurs at d1d,h8hdc0ssk c .(klmh*1 en$20.5^{\circ}$, 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 incident normally on a graml kps +h ,leg*y)7nwui.f+x,ting. If the third-order maximum of the dw+kxy.e)+l h nflpum,g 7si,*iffraction 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 500 nm is i ;u:fy;jpyu v)ncident normally on a grating. If vp;;uufj:y) ythe 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 atire05 3s :glrg one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interferegr sl35 ig:er0nce bands when viewed with light of wavelength 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 rq iakb l;;f;4aefraction of 1.33. What minimum thickness of this bubble will ensur aq;afk ;;lb4ie maximum reflectance of normally incident 530 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 azix70qm rcku0b 4 v79z7k3-7labl pgb soap film ( n = 1.33). What is the minimum thickness of f0p3gbllkb97 iqm 7v -b az0kc77r4xzuilm 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 isjhz93d8i1r/og 8vqfilm coating (n = 1.30) on a glass lens (n = 1.50) for wavel3sh d g1jr9z /i8qio8vength 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 in a beam of unpolarized light and the intensiaeyeitz4k:e xx/3 .z9ty of the transmitted light is 1. A second ideal polariak.z xxeezyt9e i43/: zer 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 itgeju xp/ (0q;:e.pyz nfie2:es preferred direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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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 angle of 1k7k:l8gndhyzjx 0c, k ,jg c0 lh1ndxk7:8yz$57.3^{\circ}$. 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-anaw7)xpk g/,n/ r yjjb*clyzer combination. The transmisx,*prgkjwn /7 j)c by/sion axes of the polarizer and 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 horizo+1u,vdvo.uvo;gnru 4,a;o ri n is the Moon when its image reflected in calm water is com;onvrvu,i v4+ r;g,oo. d1auupletely polarized?

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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 passe- -aqzyk5l8 o*4hm wfc*:zvk fs through a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the inteq4:cv5wykf ok *f-z8m-az *hl nsity 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 foewb-t;oup wn p3 *a3.nr light traveling in vacuum and reflecting off a piece of t.awu;o*b 3-3 wepnpnglass of index of refraction 1.48?

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