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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 principlec c0 4n nebbjs3c/c4+jmt98r n.
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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 z5hu p+vdqnn 5e( 74bs4xo; slstatement?

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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 attributed to qewy +jwhvs+ k+6w;t6psha +w9zz )e,

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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 lighpjse g5;ntl37- egq. et 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 medium of different optical denh*ykpgm9n -; ksity,

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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 travelingc;i94r ufi+ ja in air, enters a piece of glass (index of ur4fc +ii;9jarefraction 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(6i7ebblaw 2byx 4d x *zp;cc)kr*d2c nm), originally traveling in air, enters a piece of glass (index of refraction 1.50)4xek;brd7c *w2p z xlc6ac)yb(i b*d2, 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 passes through atxeg1 wb60lf*7.pcd k3uk ot8 narrow slit?wklf3gk*detputx0167b co. 8

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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 kppo;ij 3f5 c: (*qnq-vh0v wmbuildings, whereas light is not noticeably diffracted. Why is t*cmi3;pon5 j :v-kv(qfh0qwp his?

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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 lightv9+zwj nhy/5x /rb mnf+0l+b r 0uyx+s and dark bands when light passes through two or morjuzrb/mlyf/x0+v b n wxyr+h05 ++9nse 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 to be u,ft5tb)uo4 m 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 striking a screen 8rbw kvep 2u )jl+qc6:are in phase with eacqup6:8we lkbcr2)jv+ h 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 at point P. If tw5afs s fy-qfp zx t31sy/th2-r591qghe maximum constr1/ty-w g- 9t fsq53x2f1ayzprsh q5fsuctive 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 pav- e*ja,mvf95udi 6ohpq+lt -ths arriving at point P. If the maximum d,9mj-5q6vhva+d* p et fl i-uoestructive 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 centrac9aa.wsd - *irl bright spot in a double-slit experiment, light f r.*dasc- a9wirom 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 either side of the central bright spot in a d*i)oj hmy,5goh;wh t2 eg zj83ouble-slit experiment, lijgt* yhgomhz2w8jh ,oei 35);ght from 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 maximaqg;9/h 7prhv h on either side of the central bright spot in a double-slit experihp/ q9hh;g7 vrment, light 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 experimenhy iurp g 6 )2y30ljwpu d0-gq.zjd4;ot, if the separation between the slits decreases, what happens to the distance between the interference fringe2hdw jz g l j3y)0d.g4p;-o6qiu rpuy0s?

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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 theosxj1 w33rfw5z841or n lj2x k distance between adjacent maxima on a remote screen is 1.0 cmw5jzx 34 fsonjr1kw3r o1 x82l. 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:0 ;nfqmn)u he light 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 slit experiment a;i3lnnvx1x5 +e-k wp o,lf:gorrives at a point on the screen one-half wavelength behindlkx1n5f o 3epn, og- xlw+iv:; 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 obtyayh2 7 v4gt2zain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the lihvgt74 ya z22yght used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation betwe 3xf bu,gy/tgd+9e3q md*fem.en adjacent maxima in a double-slit interference pattern using monochromatic lighf*ye xbm.39tuf/,mgdgde3q+ t 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 sep;j ay4/g d; r 7*h/igbu/tcfruarates white light into different colors isuurhj;4ryid;g7 /* gtba/ fc/

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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 raj v vxt1a (xm(l(4hcc+inbow 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 is callemmb b;qg3)c/od

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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 i6pi/ upntrrk,p ew2lep85 *-fz-zw )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 t py*: c:ib;bwehe greatest refraction when passing from air to glasswby:; *pi:b ec?

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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 air twh )(jot-;:tqh pml r/o glt hrth; ( oj)w/ml-p:qass?

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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 thwkc:po83sm t*ick glass plate with parallel sides, at an angle betweeco 8m* :skptw3n $0^{\circ}$ 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 hold+pvo;aqrmo *g. 3o 3bxs up two fingers, with a very small gap between them, and looks at v ro; ogp3q*ax.+m3b othe 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 the slit increases, wh0)l45jbw au;cm0 0adn0 an sdvat happens to the width of the central maximum on 0an04bdu5adls); wm0na v0c ja 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 the other one 6q0vh +3km )0hov lyfrhask0+qyohf)m36h r vv0l 6000 lines per 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 seph+r lz*,epmm +qhnobj ru./(-aration, the only difference being that one grating has 3 slitsb(+ ujqlo.z hnm+ehr*m- /,r p and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the 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 .x4zyoqwf7+ p , som2lby 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 light waves can i z405rsyody+c04k ne gnterfere constructively or destructively, depending on thedk4g0y4cy erz0n s+5 oir 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, whdq0+8qf ;i dgdat+w9jich is traveling in glass, strikes an air boundary, there f9dd+dt; 8qqj +g0aiwis

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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 travel9 z9vsj l:z 85my4ubcsing in air, is reflected by a glass surface, s8bj 4yzsu:9z5mc9lv there 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 sx9 l f80lag/ewhite light. As the film becomes very much thinner than the wavelength offx g la09/8sle blue 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 ma*/ po8) qmlghugnesium fluoride, what is the minimum thickness of magnesium fluoride coating that/ p)q* g8holum 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 on a flat glass plate and illuminatez pxml)l84 w3nd from above with monochromatic red light. When viewed from above, c84) zwmxl3 pnloncentric 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 fact that certt1)hi;*wqd o3ww +cuwe 1ndb *ain sunglasses can reduce glare from reflo *iwndww e*1);t hwbcqd3+ u1ected 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 polarizat8 u apnrl5 (s3t3368bz;*sglyb itylsion 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 pzr dhstj.(w/d ; ,ts7solarized light in a dichroic material like a Polaroid fid (/s.; sjw7t,hzdrst lm?

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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 perpendiculac.6pi5 h9+sy lf z4 flab:sasqhn8;k,r to each other, what is the percentage of the incident light which will pa; ikz shas4q 86y,lfh5afcpn:sb9l + .ss 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 ab-lj-xwg 8 p/r 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 grea 3peuh ijkxy.0; p5z-xtest 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 diffractig3fivr u17 en2on 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 tqv0l7r*g 9t:kw+kn0amwbv x qfa2+o 3bs3l(xo be more blue toward the zenith (overhead) tha o9q :v7( 0*302s 3q k a+famvbxknltgrwwlx+bn 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 wavelengtbc5ai9tmp/+w4 f mo5u* ;rjpbh of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. m tr+b5p* 4opmfib /9;cwa5uj 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 glass, w/1)s99st d hns7uwv;kq: ldhhhich has an index of refraction of 1.50. What is the frequency of the light whds9 1lss7h /uqv:)dthn;k9inside 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 qb1.1bd oig,w in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the ibq.g b1do,1wspeed 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 -jd0n0:t 2 ohd8 tjjjoin 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 travel3 6dfxr9 jo0yg 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 ntfrfl(o .4g w/m in 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 light falls on bin;yh mgkxa y5p-6 tl8p-)t0s9m x-kthese slits, and produces a fifth order in)5xk;axln t9yhmspmkip t0 6 g-8b-y-terference 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 orderf*alu: cgyd-3,9 v xksrx0:v r bright fringe isxvu rscagd v9xrl*3fk y0 ::,- 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 experim ** d.ih gxrt9zrg )(hu(ka9uhent, 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 dkgiar) h ug xt9hr( .*9uz(*hbetween 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 2.0 mm, and two wavelengthcuy 4)so))xt ds, 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 bright fru)octd4y ) xs)inge 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. Monochrom jiue8: ,a+spiatic light of wavelength 634 nm falls on the slits. If there is a s8i:,uiepajs+ creen 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 that has a slit f g+ bm*vu80 )ontk;5rl6c:k+ydcqdk separation of 30.0 mm. Thn0f6)k+:k+ktrdd5*vq g yb c;u 8mloc e 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 i8bkhg. ign.3 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle be3gikni .h. g8btween 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 o4 yhltk )h3*ck8 1lmu+fyurk* f blue light (wavelength 480 nm) and red light (wavelength 670 nm) is iy ulc fku3l*4 krmt*k )y1hh+8ncident 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 wipf:qph t 5gkb .:bqa.3 li4u2cdth of thl2f4: b5h3aq kcg.. pituqp b:e 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 illumimyatda1d+7uz;ue *m ag/r9x id4f*4mnated by light of 550 nm wavelength. What is y1m+a4t74auma*i dmr/gf 9z;eu*dxdthe angular separation 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 incid h-1qc7 r/hdndent on 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 is to be 1.7 mm from /-7d1hq hrn cdthe 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 ilnomp)s; + bw;s 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 c;n + bsop)wml;entral 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 o7nf4+w9dldv7 (b ipi an a slit of width 0.300 mm. An observing screen is pla i+nbd(l7aw7d4fv 9ipced 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 obsem jh)tbtmcm s(8 f*5c2rving screen is placed 2.00 m from the slit. Find the width s*5)2t(8tcmfmjh c b mof 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 7000tzv9,gpe in: q:+ 9tua6(vm0ay;yti e lines per centimeter, its second order maximum i iz+;0tp ei9u:ga 6 m,a(qnve yvtyt9:s 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 anglei *s-qddil7e/ l -tmp) between the central maximum and the fourth order maximum il m/le q*--dpiist)d7s $47.2^{\circ}$. 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 thaty;n+om4;e ptre .lh3zis*xz * is 75 mm wide and ruled with 50,000 lines. The second-order maximum 4+hnr*elzo ;syx iez.mp t 3*;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 pro8 7q,h:dp..j n1 nc+v.h,ths vjx fjttduces 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 samn1+. stxq h.8dc7,p thjfh:jtvvn .j ,e 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 on it. What is the af4etwk mpm pg/(umkzf1** /qho p2u2* ngular separation between the second and the third orders on the same side of the central order when the grating1 kpe p/mw2u / qt*o*fmmg*k4 (fu2zph 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 y.z;pv03ih64q ypzkyhues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first zp.q yvzh ypk04 36;iyorder?

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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. /x ufy/bd3d dj1 p*q8eIf the first-order maximum occurs at*x3ude f1bp 8jq/dd/y $20.5^{\circ}$, 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 wavelengtb0cx0 ;;t rzmkg 14iebh 500 nm is incident normally on a grating. If the;gtr1bc mb;xi4 0zk0e third-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 ax1 zb b6:g5rhr grating. If the third-order maximum or:b6hz xbrg 15f 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 ,llm zt9m48zwfrom another glass plate at one end by a strand of sometmzl,48lz wm9 one's hair (diameter 0.010 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 of refraction of 1.pl,.dn ifdos9egz5; yy tk34c24 vsr(33. What minimum thickness of this bubble will ensure maximum reflectance of normally incidenv59(3r pte s .dyc;f2dins4okgz 4, ylt 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 soap film ( n = 1.33). What isj0w ev p o1pp 6i.o+u(ms8qu.t the minimu8s 1j uu.opi+qwm.pevt 6 o(0pm thickness of film 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 thickur,xk0) kyq/g+ao/js ness of a nonreflecting film coating (n = 1.30) on a glas/jgo+rkqsax, ku/y0) s lens (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 y 8uf;lpk t99p;q sc4);ewj ryplaced in a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referre;p4kts;fryw89pqleuc y)9; j d 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 preferkshqm 18 7dy,(v fvo8qred 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 -e3wrev sp1 qtcw4l k9l 6o6*aflat piece of glass at an angle of ce*ewol6 avwq6t 94rk-3ps1 l$57.3^{\circ}$. 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-analywq,lb pdee2j 7/zlp,6( - wftfzer combination. The transmission axes of the polarizer and the analyze- dp(zq2ltbfp fj 6ee7 ,,/wwlr 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 reflected in caltighjo1ihp .3f;2*up m water is completely pola2 it1fg phu;p*ojih.3rized?

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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 analij ,9q(jmp sd 2e-kqy(yzer. In this process, the intensity of the light transmity-mj (iqjk d2s 9,p(eqted 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 lightmotq p,r (k-5f traveling in vacuum and reflecting off a piece - 5,(kmfq potrof glass of index of refraction 1.48?

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