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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 principl1i g2rpz9 nu6ykrnu 36e.
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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 statz- ,fa8 dssrf;ement?

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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 ax.omi): a; dbjs y(6lsbir2;ittributed 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 -g3k+yp g:axt.-pijp 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 opcu s4h ;ry vqy- n7-e,a+v:jgyucoxp.o g7;t* tical 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), originallypt5gpz 80na(tze( q* e traveling in air, enters a png8q0etppa (tz5(z* eiece 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 lightw) ),xaybm f za3ag)ow k,)r6n (wavelength = 590 nm), originally traveling in air, enters a piece of glas)))a k ,3bwmrawafno z,x g)6ys (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for ligt 7dtm* 2wj1qjht spreading as it passes through a narrow sw tjdj 7m2*1tqlit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted7 bu6(24qqlaf615 yfqhuwbdw5j6wjs by large objects such as buildings, whereas light is not noticeably diffracted. Wh54q 6bww76 hs16fq2uljadwuy bj5(fqy 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 2w glwyq -k.6io/ys8 galternating light and dark bands when light passey-8io6gs lq2.ky wgw/ s 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 to be cohe:gg(+1xfd jj mrent 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 light5fxh pud(t6w/ /a rq/z rays striking a screen are in phase with each other? /rtax/zd u5/ qwpf6h(

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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 travxy*3k etf(y c)el different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two )xkty *f 3c(yebeams 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 a fakme 7)r*dx27l wy0lga+bl(rriving at point P. If the maximum destructive interfer 0 ml2g7y *7x kb(+awadllfr)eence 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 dou2vm/. q7d*:b:h u*q6qm(t aovumwzwyble-slit expebuv2*7:u yqw zdmqw /hm*.6 vm o:aqt(riment, light from 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 centrmuwru) d 0t6sx h7(h2lal bright spot in a double-slit experiment, light from each opening arr xw2l6ur (thu7d0s)mhives

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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 p )y +5q: 4cj3v43mjlgqa/h(yfvezsmbj.b3 oa double-slit experimb jmz3:5jo)vgs43q q/y(4cfyjb.m ve+lah p3ent, 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 exper-f7yqrxjxnxz ) s 9(e.iment, if the separation between the slits decreases, what happxxs7.j-r 9nz(yfx qe) ens to 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, it id+a5tw4zi 3 2+-8erlvpahkb 4 /n2,ypqi a zvzs observed that the distance between adjacent maxima on a y528laedkwina/ 3v i zpz4+pt+-2q, vzbhar4remote screen 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 light t6ydgz0 x2my6q )mgwx v*50g ybravels 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 arrives at a poivw2(, x7qfw dwnt on the screen one-half wavelength behind the wave from the other slit, which is observed at fwq xd7, 2(vwwthat 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 iufvk4)s 51u3w)s+ jq:cn riqnnterference fringes in a double-slit experiment if 1 u4csvqu5fsr3wq)+j:k n) in 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 adjacent maxima in a double-slit inter nt -62(ovmvhrference pattern using monochroma6(rv nmhotv- 2tic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white ligh/i4k p 84p9 wg:f+ok6 sdivr+c/egtdmt into different colors isw9mcsgk +84/kd/dvpt gf6oi:i 4rpe+

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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 to 7hw;p njnh-8ogb8 (kt/ -rzs iform 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 *,n3v: 8besh elgmb+at6 +4uesuof1;*xynmgorter 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 longer th,z:a(gez m kg4an 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 when passing from air to cvbfg2f9a9c 4 gabv9g f9c24fc lass?

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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 6 rch /hd5w jl0d,a4jmto gl4cdmalhjjw,6 0r 5hd/ass?

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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 thicq/x;9r7f v f dkas)k 3z5jx6dok glass plate with parallel sides, at an aoa ;fqr j/zsk dd)k75x93v6f xngle 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 source. If she now holds up two fingers,kp*+9lt+m vpaoamcnxp- ifk 7c,,o82 with a very small gap between them, and looks at the light source, she will skp * aav c,tx,8omoc2l-pm+f n7kp+9iee

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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 increasesa 4/k w7*p5vhr.djitp, what happens to the *hp.iwrp/7v k4 a 5djtwidth 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 hlm,jiy ;4gb5d1ikb v-as 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of m41 gb5d jbiliv-,; ykthe 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 only difsajzgs c;m)6 .ference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam o mazsg;cj ).6sf 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 e:y/v m,q7*to7id oguslick 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 light waves cag .( 6kde5yi,r*spav reng:r:n interfere constructively or destructively, depending ogv:* ns.erkg(yi ,5: arerd p6n 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 traveling in glass, strikes an air 6ay* y k;kb497ga (h- cdrholiboundary, ther67kycgyba hd4hak; 9( *-olrie 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 traveling in air, i lizxo v12ov/eb 0yu* qd2sb48s reflected by a glass surface, thsl4 1 qv bvb2 0o/8x2ouzeiyd*ere 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 4bfqct0h9 v;bku8pi :white light. As the film becomes very much thinner than the wavelength of blue4 9c0bpvi:;kfh u8tq b 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 wavelz uq(g2(a0+zr:x50 k vr1qagqbc 3wn-cdxt1nength of light in magnesium fluoride, what is the minimum thickness of1qaw 53kbnxv2arx g(c1 qu c:z -tzn00dq+g r( 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 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 pla/3:kq+u xebrm ced on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of rxqr+k:e u 3b/med 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 cerexmk p;/ .qkb8y2hby-tain sunglasses can reduce glare from reflected surb8e .mkk2;yb-x/ y qphfaces?

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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, tqiu ht/b8p 65dhe direction of polarization 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 polarized light in a dichroic matnh+e8ke h-h r3erial like a Polaroid fie3h8h-k r+hn elm?

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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 perpendicula*(yk hhwnyvr8.hy8v )r to each other, vvh*n( 8yhh)r8w. yyk what 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 suz 3zup5/bjr 3u glvr)6rface 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 sunlb 9q;tg d)g-vh3bnl65(md:u hzvkgd1ight is greatest at

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following is diffraction NOT eb(vy5zehc k-.gqir 8 2xhibited?

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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 zenqdel f-fgdk7f +;c- v-ith (overhead) than it does toward the horizon. kfvfdf+ed- q-;lgc -7 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 vacuur: z4qfbobj)*l3m 8tw m. It passes into glass, which has an index of refraction of 1.50. What is the wave r)4j*ob 8qtbzm:3wlflength 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 6008erbw4 3* vack nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frk 4*w83arbvce equency 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 nqp+ 3zrr4rhf9(aks) ow:abe.m in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light ino f4 p srarhe+.:ka(r9qz w)b3 the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is found to travel nzwi /, atc/6dat $1.96 \times 10^8 \; m/s$ 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 isgrab6r 3p) eh:, wu r:ds6ql/ez*m(hp found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air istxph /m/2fzyn-q*ep 0 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. Monochroru -/y2 +jfknqmatic light falls on these slits, and produces a fifth order interference fringe at ankjq+/ 2yruf- n 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 oni e6j hq-7wwr9)puk4b a double-slit and the third order bright fringe is see6hwi4rq)w bj- u7epk9n at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separ e.q+ 4e9+izbqcyqfv:1c y .rration between the two slits is 0.050 mm and the disqyvz .r+c1y+9 eqbfcq4ri :.etance from the slits to a screen is 2.5 m, find the spacing between 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 separav*m5t0ygh*h jv/l s.i zde n95tion 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 wil y/jdst 5v*m.hevh0z ngi 5*9ll 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. Monochromati8i)9eazxw3 j azkwh8 pv x2z07c light of wavelength 634 nm falls on the sl x8 wza09p37)ajxz2iz8kveh wits. If there is a screen 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 doublz8hoaf-4r mwvkh v6qn.heh0 (o*jaj 8e) 87ple slit setup that has a slit separation of 30.0 mm. The resultant bright f - m o ja6zjn8pv0 4 hq(8*)ohrwlh.7k8efvaehringe 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, q* *m+lyypl31rqzqa7480 nm and 700 nm, strikes a plain piece of grq m *q13lyp+*zl a7qylass 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 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 (mjdv4 *hay7+43 voe etwavelength 670 nm) is incident onmevdotj+e a3vhy 74 4* 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 angularhv lveg+4dbeih ; l1+. width of the central diffr +bgll e1.v+d ei4hv;haction 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 ill )4tis7*lduqubf7jq( *zni-dy7w9i numinated by light of 550 nm wavelength. What is the angular separation between the first two mi4)7iuiy7*u jd7blf qnzwnqsdt-9(*i nima 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 w 55jpte6pth+ ride. At what distance from the slit should a pjr5p +ht 56tescreen 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 61cob ctnx.k: g.,lq+9t:ajh6g 0 nm is incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the w.l 6:ttgo jn9ccq .,+:kb ahxgidth 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 slit o 3wt.1u-y2vgv*m+ vtopq ob(mf width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of .1 oqym2u-twtv vg+m *vbop(3 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 rxyh)m0 -zb(7 rgq.ytnm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the sli7tx gb0hm yq-.zy( rr)t. 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 centimetes,0-w cw ya; c:9wilc -2pyzylr, its second order maximum isc w- ya,0sw -i pz:y2clwy9lc; at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The angle between the central mn ; 2.8*c+qly.b m 7mtu4astvbgrkk-haximum and the fourth order maximum ic.-r 8*+4tv kgstnbm y2 bhl.am7 k;uqs $47.2^{\circ}$. 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 wiq4lk) ko9 yx)lpb+kl )de and ruled with 50,000 lines. The second-orl 4) yxokb)q9ll+)pkkder 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 pr 0u24wlyt6)z qj q/hgfoduces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-ordf t)jl2gqy6wh qz0 /4uer 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 centimeter ruled on it. What is uv/ue7+m /;gl llqc7yfe kmo56tuo;9the 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 wavmq 7vu +;6 c9o yu /g;flmlt7u/oelek5elength 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 sped*ixk +e cgg1*ctral hues by a grating. If the grating has 2000c*k* xg1d+ieg lines per 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) is used tmpkrvjv: 78;.+dkbmfo calibrate a grating. If the first-order maximum jbvd; +v.m:krp8f 7km occurs 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 of wavelength 500 gd3xw-pi7v1z3y+v d :saray9 nm is incident normally on a grating. If the third-or3 x wa3iyzv+parsvdgy- 9:d 71der 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 gratinjvakjb:w.o102rwlb/joy rn3 0p+k n-g. If the third-order maximum of the diffraction pattern/yjrnw1o32j+aw0-bbl pr0 jkvkon: . 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 )0je sui sxz. inq-6p0mbr+m.long is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interferenb-. . u60 zrei mxs+ij0spmq)nce 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. Wm2ro) i8vcunxr2(.lly n uz+( hat minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wau2m 8()y2ni .orcx zrvu+(nllvelength 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 =/ ;s6fw(hfgsm 1.33). What is the minimum thickness of film that will give an ins/f;g(f m6swh terference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coating (n = 1.30)lmj.2;m6u 9u*2t b iertk-rla on a glass lens (n =l ;u9- rmeumj2rat*k.l6 t 2bi 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 h*1x1( jb( b ms9st niz(0uz3xp/w3monau -to unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction ros / 3z-bxa(ow us1n*3(nh9 x puo0(mmzti 1bjttated $40^{\circ}$ 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 preferrb*.sxxm(y 0lu ed 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 /i3ws ejr8x46 q )zhsuair strikes a flat piece of glass at an angle of 6ixqss u /zwhr3)j e48$57.3^{\circ}$. 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 combina ua(q(-ohb6nbd4yh 8.l+v.ibb t , xqmrr- 5xption. The transmission axehxq b5nbtrb u .r-qbdo (vpy8,lihx. 46(+m- as 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 is the Moon when its image re: e k3eu23f 8/xtp6 jf+jbiyxyflected in calm water is comp ujkf t:e6yix/3+f3e 8 2yxbpjletely 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 polas uer:x 2: szm+t(jv)b; pt2qarizer and then an analyzer. In this process, the intensity of the ;)bsx a+2: ( q2ttszm:epjur vlight transmitted 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 traveling in va/vy9 :o6vugah s.lma(cuum and reflecting off a p sv.au9yvm6 (ha/g:loiece of glass of index of refraction 1.48?

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