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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: 游客未登录  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 principle+apjx 57zydyvlyl -7 gjk ppz+m.j+*4 .
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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 statpb hd8nojve 019 ssc0 s-d;b;dement?

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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 ls6xm.j 4sqye(z-uah) ight is 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 light6hj;kp f7v9 c7yg r3mr.ivcs/ is attributed 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 med8wac8lc ) awd6ium 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 (wavelenu,ky9uvruzj c s 6+.4hk3x;cggth = 590 nm), originally traveling in air, enters a piece 3;,v9u6huz+ycsr4 j ckg k. uxof 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:y- adq rjyt.*d.lsv2q9 wc:;thv8a c (wavelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wavea:v82y rvydsq tt*hl:. w;9acjc-qd.length

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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 i5-;+giuki f;y t1ahcat passes through a narrow sl+i g t1a5h-yakf c;;iuit?

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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 largev: v/ /+mkmru5 +ddfbtdu+nj0azw2: x objects such as buildings, whereas light is not noticeably diffracted. Why is thiswn/d+mt:mab 2vrv/jzu dx u+ :0d5f +k?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsmd)1s ;l utoaq pu04i7alj2c(ible for alternating light and dark bands when light passes through two u4u(o;m2qdtjap7) 0s cl1l aior 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 saivyj/n qx g0f) (esx9e+ j6d;hmd 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 s ge)dw+w8j,rlsqm+maon 48*ttriking a screen are in phase with eaj trldm4w e8s oawm ),q8+g*n+ch 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 arriving f)pmq v9z yxas( )c0d+t zuy;5at point P. If the maximum constructive interference is to occur atc;sm)+ zyvxp9dtf(qyza0 5u) 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 y78 ojoipafy,,2 x 3bk6caz. xpoint P. If the maximum destructive interference is to occur at point P, xk.z xopy8 ij2y,c,b 73foaa6 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 bri/t(yj srp.3 avght spot in a double-slit experiment, light fr3 yjvpar( .st/om each opening 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 eithea 7dk,3 m ihn-+vn 82grlncu2rr side of the central bright spot in a double-slit experiment, light from each hk7dn- ur8 valm,rgn3 i22+ncopening 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 doublejp2 t23.-gamt pyt 9gr-slit experiment, lj2a rttg.pm-t y23p g9ight 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 the sesopsm k(3 4a+xl*ny+bparation between the slits decreases, what happens to the distance between the interferen+sa *xs3kb+ny m( op4lce 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 dr oze)1bo94v)xx)8o-xhp eyis observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happee8b)o-)1yex)drvxx po4zo 9 hns 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 light travels patxj yu /bq6+l;ah $P_1$ 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 xh ct,0zvax f +f(.hy4a Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed xh zt0+ f, (hx.4vaycfat 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 impossis*y9 ;abgspq0k3 +pz7 ohp q3xble to obtain interference fringes in a double-slit experimkb30;g h 39y pzpa*+q7ox qspsent if the separation 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 adjacenc2 )jkju*wr1u qcj*spbd+ / d8r94svrt maxima in a double-slit interference pattern using monochromatic light is4jb*29wdu+rsjr 8vc r /u1j*q)sdp ck

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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 separates white light into differen4t/4q8 d4yl gol3ucsut colors uls/lqg4 3yocdu 84t 4is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which alle9m+b b16k *qh:f jf7:k uyjc 1pmfom6ows a rainbow 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 slightlyo(5u n2qr:a we shorter than 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 /l/ykzg*zz)vvnn5 4lslightly longer than 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 underg, (4q tcnh ncz8irchk aa544:soes the greatest refraction when passing from air to hnr4iaazs c44 5kh:c,q8(tcn glass?

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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 0 s3xgic54db vundergoes the smallest refraction when passing from air to gl3gvxds4 0cb5 iass?

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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 withjbl r* w(b(-oe+ro dmem2f ;r6 parallel sides, at an angle ber6*f +m-r2lo (ojed rebm b(;wtween $0^{\circ}$ 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 now holds up 4th/wv45q(f/tauaau two fingers, with a verq5(u/ahvu44/tf t awa y small gap between 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 dif+wc-e dtg 1f-lfraction experiment, if the width of the slit increases, what happens to the wid1l+ tf-wg-dec th 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 hasut*:8v jk;j7eip b gi: 4000 lines per cm and the other one has 6000 lines per cm. *jikibvu:;: etg j87p 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 separatix-(55vwj klfxke/7 zqon, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illumina(xl j/kq zfw75ev5-xk ted 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 slick are caused by reflection ,6elgrch( 2t r :7jwozb(edz3and

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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 conw( (q:1rr(3dvo bmih rstructively or destructively, (h mir(oq(wdvr b1r3:depending on their 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 traviyt6p1nd xh dr9( wz,4eling in glass, strikes an air boundary, therdnhrt6i14(d wz9 , xype 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 +,a hox7(kbtz5mrjcl ma + (k0traveling in air, is reflected by a glass surface, t,thkb0lorzmj + +xm 7ka(ca5(here 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 ltz32om:spy1 d ight. As the film becomes very much thinner than the wavelength of by1o3:m ds2 ztplue 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 :+b8gzg2n *;ak ss6*s s4scesf6j lfo of light in magnesium fluoride, what is the minimum thickness of magnesium fluoride cc :8e ss6a ss2*gsj;bol+4zkf6 f* nsgoating that must be applied 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 oq9 b /l);ggnf5xav+s 64 fqzxkn a flat glass plate and illuminated from above with monochromatic red light. When viewed fromxz /g6qvq5+sxfg ;a9kb f)l n4 above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass 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 bhk1(gy)x 0nh3e7 0:hxx di-fhile q8 fact that certain sunglasses can reduce glare from reflected sur1-:e8 xx07 hhidf(hiel30 y nxkbqg) hfaces?

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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 defined ax9et ) couh**cs

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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 material2i+zm y/sv/mz like a Polar/y2+i smv/z mzoid 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 h w8 /uno-9 flj+du wob9i3v3zof two Polaroid films are perpendicular to each other, what is the peju-w+ duo3/8owhv9nl9 3biz frcentage 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 of ec+vj6s1-ztp g 9iem(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 greates4(s 7uo diwtgfge6./e t 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 elame tv-y;d ;s mf r4ywq7ad6l 9tw/(9xhibited?

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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 zenith7- xtvm( xodfye ;f/+d (overhead) than it does toward the horizon. Thisyd7/e o(t x;+xmvff-d 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 in;n7;vi m6q(pp)q,ba hmio7 me to glass, which has an index of(q , i6b ; ;mvne)m77mpiohapq 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 i;9cr* jaadk i*n a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light insidecka*9 a i;d*jr 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 vacuuy sa3p +cmg2vwdx)yiq+(k/ o7m. It passes into glass, which has an index c y+yswodm q+g(x2)a pv7ki/3 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 nmjvm w 3u +av:sn07g2co in vacuum is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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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 tg(-i b ,ykfym5ravel 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 foups r8s0y)sf* qnd 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.+jctnm ac- b,.z gxo:(2 8qret00 mm apart. Monochromatic light falls on these slits, and produces a fifth order interference fr rb-qac8,cn.z +tme:(2 o tgxjinge 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 doub x;9x/wey 3a9 gdwyz;ble-slit and the third order bright fringe xd9zgb 3x/; ewyy9wa;is seen 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,-xr4at3s 0 lmk if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing betwee4tx0ms-lk 3ar n 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 separation is 2lwk lk:n08k6nbe3; j y.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 coincide with a brighty0:6 bjl8wknk 3; enkl 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. Monochroyrr8 y4t8pecd*bi hf8 2 6;zpdmatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringebcerpy8h8 ;rd24 p *yd6if8zts?

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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 Yo6p+lpu4/ bp. wgm8yjpu) , tejung's double slit setup that has a slit separ )pjw+u pgpt4 ,u.b6mjp8/eylation 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 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, strikes a poc(bzx *4xcy7w r y4y2lain piece of glass at an angle of incidence of 60e. The index of refra 42*z owcxryy7cybx(4ction 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 (rox::0 /dhyq gwavelength 670 nm) is dq: :xygrho0/incident 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 on a single slit of width 0.20 mm. What is the angular : xi;qwj o) qusn18z8vwidth of the central diff1oq q 8w)8vzxi;:jnus raction 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 550 qjgv3d8zolc*,ew /e91/tfhp*mqg2+sisf8p nm wavelength. What is the angular separation between the first two minima on either side of the central maximum?lg1ti 8s/w*ezq9p sf d gqv+/choj f ,em*23p8

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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 onm6ap 1l gb;r0.p1uplcy0q ro - a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern i ul1o.rm-pgc l60 qpbpa1;0rys 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 and the diffraj2/szu bl b0* i69.yd*s jwnkection pattj*w2 zj*sy/ndei 6kbbl 9.s0uern is produced on a screen 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 580 nm is incide *c 6xqhla24nv *oqj8xnt on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of tvxj*6x2*hq4c qaln 8ohe 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 :ffm y 6(68u08 jupzitsl 8yyzwidth 0.300 mm. An observing screen is placed 2.00 m from the slit.y86 uijz0y s 8tm: (lyf8zfup6 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 7000to *5rbdhu5mmn. v-fl,b1( me lines per centimeter, its second order maximum is a1eo dr5fnth5mmu - ,bbl(v.* mt $62.4^{\circ}$. 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 pe ro7rb7 ;g)kc9 r4mmhgr cm. The angle between the central maximum a9r4 rmk7;cm7hb o )rggnd the fourth 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 incidenka+w6ht- xzqcm3 .qb z)v(act qr:z.4t on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen mwrt h(avz b).azck.q3-:xtq6qc+z4at $32.5^{\circ}$. 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 experimenehgqz x)1+p8f /-zleqao/z /yt, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second m/ fx/pz1zelg q-qo+ha zye/) 8onochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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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 centime(/sk6l ssf2 y.txabt,ter 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 grat,s6 btyf xtsals.(/2k ing 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 spect 3.ko,l xu7n4qf ljs1mral hues by a grating. If the grating has 2000 lines per cenmklj x n7,l.q14fous3 timeter, at what 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. If the pz3ma5 *(o 13* ousls pnempo7first-order maximum occurs zom a1s3pnsuo( p e5* p7ml3o*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 +s:zy6he 2 du/tp0,+5vfb:m fz x htypof wavelength 500 nm is incident normally on a grating. If the zyxh+/+5ptm:bt:,hdpf2sy6 e0 u zvfthird-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 500 nm is incident normally on a grating. .nw/ sz 1)hojrd(v0r n If the third-order maximumdonv.r (1 0w)rhz jn/s 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 cmsuvql4u: 9xgaso e z0k4ow2w2 :u 2.ik long is separated from another glass plate at one end by a strand of someone's hair (diameter 0.01ol skeug 22w4vo4ui2uqw9 a :0z.xks:0 mm). How far apart are the adjacent interference 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 ofl79alez7 xp4n refraction of 1.33. What minimum thickness of this bubble will ensure maximum ref 9p 7le7lxazn4lectance 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 a sxloquo k;1 6-fvon.z2oap film ( n = 1.33). What is the minimum thickness of film that will give an intvoz l. ;2 o1onux-6qkferference 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 thicknq/d 26k,dl7 z 2xywurness of a nonreflecting film coating (n = 1.30) on a glass len 6q22d/ly, urx7dzkwn s (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 in a beam of unpolarized light.7)h;cdm(ovg0 qyyp k( td :zj and the intensity of the transm kmvz:7d;cy( )ohdqy0jpt.g (itted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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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 pref 27p2xme ez5fk9-qhl verred 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 :8oz4p;fj1ryth-/ zj0mrb e c 9jfo.jflat piece of glass at an angle of ht-4op.08yro9fzjjz mb:c e r1 f/j; j$57.3^{\circ}$. 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 combinat rhb*jeph;9 9t oav)5rion. The transmission axes of the jt9hv;a)ephr5r o9b* 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 horumlm 6u;obx66 nv;d)-s/tzke izon is the Moon when its image reflected in calm water is completely polariz6b6 mks6xv-)oelnd;u / ;tzmu ed?

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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 c(ibg7 l 2i/(vuog7ixpolarizer and then an analyzer. In this process, the intensity of the light transbixg2(uio 7v7i l g(/cmitted 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 tru hee- 1.mt:jof+ 0xwjaveling in vacuum and reflecting off a piece of glass of index of reh-1 m ewjfu:x0e +jo.tfraction 1.48?

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