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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: 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 princib m8,7iad6yzpse t/ 0fl+t5jr ple.
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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 falsexm7*u m g *9o0p1pymfu 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 attributed t *;fmrb7fq1.* qe wlydnxd6, so

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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 n,okk)/b- (rwz* fkhy 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 differengi 1ls6)knk;kzr77 xrgk4 k:qt 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), originalt4gb ;u5ftbmx)iq* ( gly traveling in air, enters a piece of glass (index of refraction )*um tgtg5 (b;xbfiq4 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 n+hnkl733l xxzry,rw+ *soz0em), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wr+ k x+0o*hn e73rz3wz,yxsllavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is respon -90l*cdzm evxsible for light spreading as it passes through a narrow slit?mz9cx-l dv*0 e

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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, where aj+d 92rcrxnav0;aj5fexo h gkh.-// as light is not noticeabladje 0ka o//r+;hv.ng-acx9hx f2r5jy 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 alternatt125q v)rfyqd 9pe) wjing light and dark bands when light passes through two or morp5 qr2w)j9fy)1dv eqte 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 coherent if t 4gxx44;uy/es omc 92rcax i1ohey

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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 s xx;r3x, /0+fg tobtgsay that two light rays striking a screen are in phase with each other? + ttg,sgxo0/fb x;3rx

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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 poy28bc0 /)in)jva,ogfw q4csv;ni 2vaint P. If the maximum constructive interference is to fi)c2 ;ov,8q2 )n wbsy4 ncg/ivv0aa joccur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at pos a/0:43llm8 kqf-;ipb6fhz7g jg jc wint P. If the maximum destructive interference is to occur at point 6wh: lp-b 84zmg;ak lgjf0s3/7 fijcqP, 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 cent pfze. srd3-6w2dx(br ral bright spot in a double-slit experiment, light from 6d.e32r-fbdxzrp ( s weach 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 ut u2e637pkwkq.v5oson either side of the central bright spot in a double-slit experimes7kuq56twko 2eu 3v .pnt, light 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 maxima on either side of the central bright spot in a doubupf1ra8 gl(tw;51 9s/ie cv hale-slit experimegu8s5a9fr1 evhai/;l 1 (twcp nt, 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 experiment, if the separatio(v.kpi /q;p mfe tv , a-ju)mm1rom8;en between the slits decreases, what happens to-m,/vop8).pjmt;; e m uq(f 1a rkviem the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment,mte)j sg+1qo:9xq .vtid x5,u it 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 ha1 9,gv q5 s)qiutxmt :+j.deoxlf?

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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 travelv tq7 kom+. zcajcy+36vjv:hmx*r 8 k,s 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 Youngn3*oquvybpo7 .i6. gk 's double slit experiment arrives at a point on the screen one-half wavelength behind the wave fr6ypku b7gqn.oov.* 3iom 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 fr/9 qarp,vndfce9gw6 /7qp5kb inges in a double-slit experiment if the separation n7 ,5kqa/egbpqp9dc96 wf/rv 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 betwee51s() 2k pxkzjvsc1d) ond5n mn adjacent maxima in a double-slit interference pattern using monochromatic light i ox dcnjs15 mvpz2)(nds15 kk)s

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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 2b0 ua ggqc6g6prism separates white light into different colors isq26gag 0bg 6cu

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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 rainbow tzf8x+ g+hs q5yo 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 sh w.viz;j1xee pbv5,v;bqdk:p z4z ) m)orter 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 slightly ,u02hp x +gj 5xxg;l5v6 dlhprlonger 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 undergoes the greatest refraction we7 ywj xq.1p*ohen passing from air to glass?7j.pxq oy 1*ew

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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+ykpw+x1p y-pm kw 7u* to glauxkwyp- 7ymwp1 *+k+p ss?

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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 inciozu( zb 2*n g4sl)pjl7o ):iwmdent on a thick glass plate with parallel sides, at an a* llz7so wb mup)i( zj4go:n2)ngle 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 distanx.r /k*pl /nqut light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, s* kx/lnp/. qurhe 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 increas i(w4 chl*7ka5yhavc+es, what happens to the width ohh ckw ai(+5c4*7lavyf the central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines per c/qwte z39n.wim and the other one htenqw/.iz 39 was 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 separation, the onar9v g 8agodpe5m/-1xly difference being t px a8gmaerg/51d9- vohat 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 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 3 )mwfjf.vi m t.;8ow,pq3 vhgy)w70efvfk /l 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 monocdd9eg *xa qfhelj s8zl(mr500-o7t k;hromatic light waves can interfere constructively or destructively, depending on their phase difference. One cons5 lesld070rj*( -t gkx ;mq89oahefzdequence 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 in glass, strikx6 n;(fzi+ -p qy10*muedwdpnes an air boundary, there iq+i ;z( nnmd0*1dfxu-eyw p6 ps

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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 i(z djssy+2y8q uyi ,g9s traveling in air, is reflected by a glass surface, t8y2 zysigsjy+9 ,dq (uhere 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 whib co/*qqk7df9 4ru5a wg,na -pte light. As the film becomes very much thinner than the wavelength of blue light, the r*c/u qo4-9gknawf d75paqb,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 - f+: jpshe1cllight in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating 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 andc+j:eh f1 s-lp 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 plat g0w6, rea1:v0f kclpte and illuminated from above with monochromatic red light. When viewed from above, cr1v cwafet, l0p :0gk6oncentric 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 csx q+ad*wl(v.+z ovc a5;fzd;ertain sunglasses can reduce glare fro; ozcav* vxzl .+dw(q 5as+f;dm reflected 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 polarization is de3 uqwht d 5-gb4 ,u4s,xj*ahkefined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic materli hs 9)hn6f,rial like a Polaroid fifl)r6hh9 s n,ilm?

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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 each otherfux yvx54m4slc;pl2h8v 9 w 6s, what is the perc 54vv6w p ulhsxy8xcl2f9;ms4entage 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 surr71skk0l he .eb7:xg nface of a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is greatest atvox4 sg n3anf+9(r3t4qn hr 9g

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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 followi0b cyz usr/m*;ham- 7yng is 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 towaw3aq9j:fb,5 2dgs:t1 j bqb6dos jx;zrd the zenith (overhead) than it does toward the horizon. This occurs b52f:w a 6jj3tsxjz9d1qbqdbo g:s,b; ecause

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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, w5k0*ott udst/ q,ti g3hich has an index of refractid*3g/tus tt o,tk5 iq0on 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 glass, wc:h2 uo5yv w)jhich has an index of refraction of 1.50. What is the f:jv5)wcyou2 hrequency 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 2y(0r2bepyxma+g s/ fof 600 nm in a vacuum. It passes into glass, which has a +0x/ym2sy(rep gfa 2bn index of refraction of 1.50. What is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum izth8e4l;i;l m s 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 travel 0lzba 7 ahg5d5zuly73at $1.96 \times 10^8 \; m/s$ 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 5f4 h xnsq(*31 t-s*nsx7mglsa 50 nm 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. 68d0wpy qkn m6 0a-bggMonochromatic light falls on these slits, and produces a fifth order interference frin06naby kp 6qgw0gdm-8ge 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 faoy3+ 16f,c9oq7sk.yrnjz boo tc:n w)lls on a double-slit and the third order bright fringe is seen a1 q3cy jor +.n)n6z 7bwty okoco9f:,st 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 experi:o mkxp3+, zxnment, 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 between th+ p3z:noxmk, xe 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 experiml c pi3r.4z.cskc,*c 4 m+(+ ydpmlgvient, the slit separation 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 coincide wi4c, py+3mc.ckv ms+ l(ldi4.zgipr* c th 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. Monochroma j gdmx)p,6,,)p/hj) n kgtxlqtic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent h,,)mqpgjj),/x)ndx k gplt6interference 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 setupk;jdd .o5 hwl()yic 3m 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. Wh d(d).m jywolih ;c5k3at 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 wavelen ifdsbgvwf)03h ,/xtm 2/, ni8w(j xtogths, 480 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 between the two beams 8gxnfvw)3tdhfx2 (0 s, /bw itjim,o/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 redlqs m41vd r()l light (wavelength 670 nm) is incident on a thick pqrml)vd(1 l4s iece 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 widtl58ty3i4 u:lu0eh 7 ir rcw/ynh 0.20 mm. What is the angular width of the central diffractu:7i 04unyll h38e5cr rw i/ytion 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 5wd)zmf1-lt tej5 w1m1 50 nm wavelength. What)5tftwlz 1m 1m1wdj-e is the 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 incident on a single slit 0.75 mm wide.fdjm 4v rg77zuh)ki01 At what distance from tf4)0u j1i dhkgz7vmr7he slit should a screen be placed if the second dark fringe 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 incident on a slit 0.20 mm wide and the diff 0r),m fdtgphd0i9f.u*c5jqkraction pattern is 9)0 gm df5fh.rqi0*cd,puktjproduced 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 incident on a es.)j fbg6 jl7m6y y,pt g/-gxslit of width 0.300 mm. An observingjgy l6/j7)y fxt.gg-em sp,6 b screen 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 58biph 2t; zh *(9m10vdzcmrs i30 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 cezct9rsv2md m hib30 zph;(1 *intral 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, itx*f09*gpz (wca2n/gj s iof5ss second order maximux/f05o psas2 gwfjin z(*9*cgm 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 5000 lines per cm. The angle between o ckpk 5ic822mthe central maximum and the fourth 5 8kpmoikcc22 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 a9 x/dl8oj it:bq58zi wide and ruled with 50,000 lines. The second-order maximum is axo i8zdil:85 /t jqb9seen 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, li5e74n)nw0kpwk ij.n q ght of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the seqkww 4 ep. 7ij0nnn5k)cond 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 centimeterm (95djww* q(t(nayxq 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 grating is illuminated with a beam of light of wavelength 550 nyw 9*a(n5(d(xwq jtq mm?

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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 gratixk-4 gocsh79ung has 2000 lines pe 7kc4go- 9hsxur centimeter, 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)pz ) 0nwgqsjn*ji0v.kr5t hn::v)b 3s is used to calibrate a grating. If the first-order maximum occurs 5q03 0 .nrs)t*:hijsvjw n: gknpbz)vat $20.5^{\circ}$, 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 5pc8f 7zp, fuc5g 1.ptw00 nm is incident normally on a grating. If the third-order maximug.85, upw fccp1p7ztfm 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. If c2fsqsee*b7e bplj4sy7x,: 2 the third-order maximum of th:b77 j2,e seyfxq4s*plsc2bee 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 sgj6 lq(7ch;: z(oh1 ps wjao)6s-zop teparated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are js-aoz1c gzpowt(s 6:h) j7 o(;lqh 6pthe 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 1.33. What h y kc f3/0(jjf*gl5:vxp/gem.pnof)minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelengtm5jfjgfk cp.:0 n/3 y/f p(h )leo*xgvh 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 1jpzkq 7mrnsg;5z8 d*9g zu (dnm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference w (dg9 pknsm8rd*zzq75jg1 ;uzhen 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 oa)1zb7:z2q o u /lidwuf a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.2w luuz)b/a1: o dqz7i50) 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 99.9ydargudw h1,mmxo x 24m jbeam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred directi mr x 4g9ahdudx2w1mo9m j.y9,on 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 p vee(jc30/.mkog9dj y referred 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 st hes38yu n sjk.::em*trikes a flat piece of glass at an angle of nh e3 usyj:k: m8tse.*$57.3^{\circ}$. 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 throug5s) *4ytp6tx /rf2ieze +jo)3 zv:esyyd(vdgh a polarizer-analyzer combination. The transmission axyoygsed: p6zz)iv3+te r2 y5 )( s/xdvjt*ef4es 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 horizon i0x s ;mwuvprth uxh.o +w*vq02gz//9nvt6p (k s the Moon when its image reflected in calm water is completely polavr q +gwu/ 9p(pwnhkv*z/ ;u .0 hst02vmx6toxrized?

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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* jb5 +vdh7z)p2q zdf ;pl: d/,cf3i6i hzbano through a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incideiad v,6 :*j7bz z3q2 ;fz)p/cfph dl5ibdnho+nt 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 lz8w:s3c ,hiqn ight traveling in vacuum and reflecting off a piece of glass of inqc:wzh38n is, dex of refraction 1.48?

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