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习题练习:Physics Unit24: Wave Nature of Light



 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 principl w3 hdzlz7.+ yl4svw*kb(hf6 ue.
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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 false stati99a 8y:uwtmhoky) .oement?

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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 isxuv(5 )z;hr 7; 3niakgyl( nun attributed 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 attribute gmrzxxgb t5/-eg(dit, o 6nvu 8fz85mr7 et9:d to

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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 different opticag (0je8 hosz0nl 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 izm-0eh 9yrgdp kx 04,(wavelength = 590 nm), originally traveling in air, enters a pi0x9dyhi k zrgem0p4-, ece 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 (wavelejqg :( zmsun80ngth = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wavg 8zmu(jnq:0 selength

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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 k83rd,.zh vpb iu3.e k-nm 4bia narrow slk -i 3pzd48u,ebm. .hbv3nrkiit?

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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, wherea+;+sti h gy/c mafx1 ;+.gjlzis light is nota+xhs +m. +/glf1zg j ic;ity; 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 alternating light k1x:fc/sxv kk 9)x-yw and dark bands when light passes wx9vfx)yk:csk /-1xk 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 said tk u uycdbmux939zdjn4 4k8(en l.: *muo 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 strijll3y-ep)+es8ls d01 6rs ojdking a screen are in phase wo j0d8j1l6le )d3ssl-rp+sye ith 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 travei0 0v:ql jw)k1 5l 9dbj9vrizvl different paths arriving at point P. If the maximum constructivv9k1vbzv0 l:d9)rj0wq jl 5 iie 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 diffe*q;jubi (5rlg rent paths arriving at point P. If the m(rluqb 5jgi* ;aximum destructive interference 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 double-sl u 8ccob(z66kzxu0 ez7it experiment, light from each opening arrive0(czuobe 7u z66 xc8zks

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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 double-sl*4 zrj 2 ,)mgsy5hqufyit experiment, light from each opening ar )rqjm4s z,yuf2g5 y*hrives

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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 cev,d.v(;fi ut lqhz--pntral bright spot in a double-slit experiment, light friv utvf( l;qz-hdp,-.om

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the slits de :kxz paefz1o93 gs.*pcreases, what happens to the distance between the interference fringese:fg ao19p.zx*zs p k3?

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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 zu 8qxmm+z e11observed that the distance between adjacent maxima on a remote 1zxq e+ u8mz1mscreen is 1.0 cm. What happens to the distance between adjacent 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 ligh 63einh)ew +otb-fuj)t 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

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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 slit4pt0)spccko i( v.1pq experiment arrives at a point on the screen one-half t4 op)c.01spq vikp(c 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 interference fringes in a double2tuql) 9jrmorn ,;2hq3cfl o1-slit experiment if the sepal 1um)2f ln q3;rtj9qr 2co,horation of the slits 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-slit interferenyiu km7s d/.e9(*aif nce pattern using monochromatic* ny7 u9e /sd.(imfkia 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 won3tnc xx7 py6k d-z4zt 63, mjuy51klhy a prism separates white light into different colors ik ,7mt3-pz6 cn jyn 3d4xyku61 l5xozts

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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 rhr pp um.6g* 4hyd jgd+lnsv;4 67t2 gt9oe)vpainbow 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 tcenj5t.z;t6 v * qz9n* ewh+oo-t gi9vsgc 69jhan 400 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 than .gs0tpvewa*/c a il7. 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 g:hx09 g0n(mbxxz t58 ftzgtd5 reatest refraction when passing from air to glas805 x xgt5zxtgzfb:m90hn(d ts?

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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 .e nuj)wza9x+air to n+ ax9wje.zu )glass?

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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 incr0crb3n,afpah4 v 2)oident on a thick glass plate with parallel sides, at an f,r cnaa)h p2v3r0ob4angle 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 *lc 8. g;q oe:h9j;ymnldfxq7source. If she now holds up two fingers, with a very small gap between them, oljx. lhn9mqe8 * yf7q;d:;c gand 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 diffractionaht22p ewi ,m7 experiment, if the width of the slit increases, what happens to the width of the t22ap,wim7e hcentral 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 gn4 c 4o4plgqk/ratings; one has 4000 lines per cm and the other one has 6000 lines pe 4qk/nlc44gp or cm. Make 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 separation, th4tig56tb* 4u1v l ujay8m9 zvne only difference being that one grating has 3 slits and the other 4 slits. If bu9l zangjb14u*iv yt 56vmt 84oth gratings are illuminated with a beam of the same monochromatic light, make a statement 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 -b;ae-f m:u v7 d6,uup,snsxbslick are caused by reflection 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 lig6ao4 a*ys qf0fht waves can interfere constructively or destructively, depending on thf6oa*fyq 4 0saeir 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 traveling indlr6( jpi(4 t7ux w7mj glass, strikes an air boundary, there is (du (wmtr jjl747xi6p

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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 travel+fum h2zi8;o kk6gs9 r y c*cn-uw;ry9ing in air, is reflected by a glass surface, there92 z-o+k6n rfrscu yh u8 wy;;9kgc*mi 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 ve n y0 /j)q1)/xbags(jtz+qqrxteg; cqi:dj; *ry much thinner than the wavelength of b j1/+jxynqdteq;0/ ;cibsaq)xzqgt(g:* j)rlue 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 fluoride, what is the gus ow o*w+b ( q39pxf9.sxxv/+epg 5cminimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelengteso 9wp3ogb+xqu (f5*p cx/. sgwxv +9h? (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-dkz 9 eect(nr4vv. 42,ypkc y 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 exa42v(k y ct-p,ec e4dvn.ky9rzct 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 sunglasc0da:fgl2f )dq3q3 axses can reduce glare from reflected s l)caq qd303xagf2fd:urfaces?

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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 pola)3uevh 2khj7.a* kkmis5wdxdlpz.3 ldaz (*4rization 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 toap s3t4opc lso 44x5s8 obtain polarized light in a dichroic material like a Polaroi oacp85oxs t3s 44pl4sd 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 two Polaroid films are perpendicular to eachi-9 * 5z14skwtsxdvaeix ph:6 other, whxp 4hsdi9kv5 z i*w1ts6e:xa- at is the percentage 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 surfaceh:p)wu 0;kb m re(.tzp 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 greate0efe 93zian k4k3q 4m+2dryhv st 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 is diffraction NOT exhibxp-,yx4 byfdhs)qk9c0 m* qupl (n+f he26hv*ited?

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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 9x5 hbjzv9v1*v nqk)o2enl4 d(overhead) thanl *vj45zx9v2h1 q )vn9okdben it does toward the horizon. 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 passes into glass, wh dcgf.)me // 0lteq4feich has an index of refrac. 4ele)f/qfg d/et c0mtion 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 vacuum. It passes into glassej:1skws8 vey+ .k jh6, which has an index owkkj yesh:681j. vse +f refraction of 1.50. What is the frequency of the light 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 pav ()c 70wb/1xyyex xegsses into glass, which has an index of refrayx gv0exe/x(cw 71)b yction 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 is4stbtn56l9;qo qaii vi :3gw- found 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 iwo*v+)sbs d 2zo-6y yzs 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 ing6xvh-ih eq)lklur)7f/+ i b, 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.

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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 z (s nror7i3f 39s,kz3o-e. khlyy;/iejnd) elight falls on these slits, and produces a fifth order interference fringe at an angle o/7n;-rjzyfk93d ne .s3),heyi( o l ki3s rezof $32.3^{\circ}$. 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 t7azj5 x8/nn pxhird order bright fringe is seen at an /nja7 n pzxx85angle 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 between the two sg tut 4 6qlbx8wgd;3ht1vu,,slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-ordx,btt 8gl3 tush ugq4v16,wd;er 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 sozsh9p;7/py.fof 62 mywbk :ieparation is 2.0 mm, and two wavelengths, 750 nm anmkhf 9b2 p/: o;z7fsyi6pwoy.d 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 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. Monochro v ie(wnxp/g9 qu,;:qumatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent i9pq,n x(:uqieg ;u/v wnterference 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 xdojrn2-htv p1:*(e6 koo0wa 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 double slit. What is the separation between the-tewoo :x j1pa k*0(n2vdo 6hr 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 anpvg, jg/6 f(qwym:;h*mbl- kjd 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refract*:kyv j(wfgp ;6,m qb-g/hjlmion 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 blu .mwe 6m m;np6edm.lb/e light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of ./6 m6ew.m;bemnldmpglass 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 of width 0.20 mm. What is the 8vtl9mbdp0w5q wy* ,g angular width of qpw,50lw8gvy *dmb9 t the 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 of w2 pukjt;;*f v v8l7at550 nm wavelength. What is the angular sepa8vlfjvu *tpt7k2a; ; wration between the 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 azwfbr6p*v-c 6 single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark frinf6 b wc-rpv6z*ge in the diffraction pattern is 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 incit fy1op 6uvi2msxu (8/dent on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. Whafyxopisutm2/86 vu 1 (t 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 580 nm is incident on a sc54l ec;lf ny5lit of width 0.300 mm. An observing lfe 5l y4c;nc5screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from 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 580 nm is incident on a slit of width 0.300 mm. An obserua9q5v 1;6parr y1dk(z(edmr ving screen is placed 2.00 m from th(vk puy; ar zdq6e(dr51 91rmae slit. Find the width of the central maximum.

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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,4 qzarol,n2w k. )gc3 dq9ym*o its second order maximuo 4za yog3r*nwlm2c) k9d.q,qm 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 grating has 50-sgo z) icych- -nj9p+b z+4ra00 lines per cm. The angle between the central maximum and the foh)yrb +cn4s+i-pgz- aj9o-cz urth order 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 mm wide a(e,z inp vaz(k8s-2k ynd ruled with 50,000 line 28sa,vyz(en(pi kkz-s. 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, light of 600 nm wavelength produ- q1e) gwo+nzkces 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 central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second sour gow eq-k1)+nzce?

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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 on it. bxl6i9k(p *j c*jwt87u0 yexa /g ocv1 What is the angular separation between the second and the third ego*x l6jkw1 c7t0(uyipvja/*xb 9 c8orders on the same side of the central order 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. I; 6zkomfl .op.hnq+t. f the grating has 2000 lines per centimeter, at whlp.h6fm+nto q kz. ;o.at angle will red light (640 nm) 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. bmgi : mre1mnsf u25-:l.a3lr If the first-order maximum occurs at binl5emr.-u :m afg:12m r3ls$20.5^{\circ}$, 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 grating. Iik+j(rb;a lzn+ r2a7 yf the third-order maximum of the diffraction pattern is observeir++rzl yan (;jab 2k7d 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 incident norma2y vr+g2j6 kbally on a grating. If the third-order maximum of the diffraaj+2vbk62y r gction 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 g9e rzp d,s-r7another glass plate at one 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 w g 9perzr-7sd,avelength 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 thickzoftxkaq /*c 0.lj 78sness of this bubble will ensure maximum reflectanl8.tqo*/70j ca x fzksce 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 illumina,0t g h.ciek9etes a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is i 9e,chek0gt i.ncident 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 no:d lhqak s9+z,nreflecting film coating (n = 1.30) on a glass lens (n = 1.50)sql,h9z:k +da 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 in a beam of unpolarized light and tw+ lb :a4bg2iuhe intensity of the transmitted light is 1. 4:+ wubg2albiA 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?

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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 direcl6tpqq0ct 80o tion 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 anglen8euv sj.6g *ochb1luc -*yx 6nj5k:h of -ob:cyneug 1 *v kxh8 56n6uj.jhc *sl$57.3^{\circ}$. 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 passeky/ ta5 v3nn:-wgdefl(e; ccfbmm*, +ck1n3 jd through a polarizer-analyzer combination. The transmission axes of the polarizer and the analyf e5c/n mak;bn* fnv1tjk-c+l (myec3g3:dw, zer 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 re4m:th6n.l t+9ngkldp flected in calm water is gl4t m69.d pnn+:hkltcompletely 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 passes through a polarizer and then an analyzer. In this pra9tcpq6fux 7 (ocess, the intensity of the light transmitted is reduced to 10% of the intensity incident on the anaucqa x6(ft97 plyzer. 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 incwuda/ ; x l,363ietgs vacuum and reflecting off a piece of glass of index of refraction 1.4lge twdxa i;s6c,3/u38?

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