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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 principlne.e rd)ztp* (e.
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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 fa b0wbm+ s+.rqwlse 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 lig xrszpq :a.o;o :075 zzugqm8rht 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 ofy/uvqxs;9)tjxax:8u(s bj,a+lc 8 e f light 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 ent ,, kbd: + idfvr:gko7e5fe/ifers into a medium 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 (wlf9vmqs3: o2en9.m 1f 2vtystavelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50),12 nf f.m:vslt9 m 29oqtey3vs 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 nm), originally traveling in air, ugp1/tpy9 8wmenters a piece of glass (index of refractiot/ g81uppwm y9n 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 light spreading as it passes through a narros 1fsn2xg*zyjuhq58o34e+p5v lrt s2 w sxqtg13+ 5hyr52 us*s8e fj 4pnoslvz2lit?

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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 +eim7 3xxn d-1dgypz4buildings, whereas light is not dd1py+ n37mzx 4ig- xenoticeably diffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light 0qj; lb (.gs;+vic o+eirk+ rvand dark bands when light passes through two or mor(r0++s;ljqrog.bv cekii+; v e 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 coi,o4f*s xu(vg qdn4- nherent 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 st w94*1l vs )j-acqpehbriking a screen are in phase with each other?1p lb4e-h*v)s 9q wjca

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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 athlhuay*2z +t+dyv y5 7/a9ha c-z zy)j point P. If the maximum 2/h5zhaal 9- ytd hya7u)v +zjc+yzy*constructive 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 paths arriving at point P. h5t*o)a1h5ejx qnz ;s If the maximum destructive interference is to occur at point P, oexj;z 5)nhsa*51qhtthe 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 theeaau6)g 8icl8fiwe hv b0-(; s central bright spot in a double-slit experiment,a-iiaufh 6cv( )8;e8gbs0 ew l 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 central bright spot ibc r p,6by-u7 +xft ;f2 iq6ybnq,hc(en a double-slit experiment, light from each open6 ni ( thb y6f-f,q,qr;7cyue x+bc2bping 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 eithf) *jl )hi8,fn 8sxtuyer side of the central bright spot in a double-slit experime8s8fytj) ifn), * uhlxnt, 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 experi1dwm62vohh-n3- ,ce jj+bchjment, if the separation between the slits decreases, what havc e3 1jwc-2djb6+nmj hoh-,hppens 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 is observed that the distance between adj/yciv8 )orev3 3l 7khwacent maxima on a remote screen is 1.0 cm. What happens to the/k8o)yriehv3v w7 l3c 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 pa:ng dgv--z z;fth $P_1$ 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 slqfc) obctlt 4w0 ;h3;jit experiment arrives at a point on the screen one-half wavelt;fb;o c j30hlqtc)4 wength behind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impos :pzo kbq.uv up:k2.edtk..4bsible to obtain interference fringes in a double-slit experiment if thevk.u.b :dt.e2 4kukozpp: qb. 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 doux7xp3kpp-pe.n+tos/t ti4ydo av 5 10ble-slit interference pattern using mono+anpptxsed v1ot- o37iy p5/p0t x. k4chromatic 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 prb f(yuq6nn6td8d, thkp (h,x)ism separates white light into different cott h(bfun ,qy6dp,8)(6hk ndx lors is

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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 foryy . z nxnx*+r8gt6e;im 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 40gb7jmrj oq0m32 )rsgj2xs )1a0 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 lo- -mn5msk.af unger 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 when passing frolw 5s /+d,oqakse6s60ua d+slm air to gla u+a/5 a ldw0deqsskl6o6+,ss ss?

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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 to d8 iu8wp 5at4vga84 p8div5tuwlass?

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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.1e;n1i v-zs q/fh hts thick glass plate with parallel sides, at an angle between - ;1 shf/ztviqhe.n s1$0^{\circ}$ 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 noweuf6:(vd ic6 d holds up two fingers, with a very small gap between themvud:6 6e (ifcd, 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 diffraction experiment, if0api0 8uo8lh p+srv5i the width of the slit increases, what happens to the width of the centrai 5s0 p0h8l +up8aorvil 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 cm ank tgp;nrvo(45xp*f l so 9*0lhd the other one has 6000 lines per cm. t p;(pgnhfxv r9* o0 *ls4olk5Make 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 separatiob*7m4 ;k*5qe.ipa rdk . c1z yuh5atbgn, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light,y.e5cgh r.b5bt7a* d 4p1q;kz*u iakm 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 sl9 g1 2vob thaw*n-eyx l:w3):ot 3ncptick 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 cwc1ym.lrv e6gjyo4x ua6(-n2n: gzd : an interfere constructively or destructively, depending on their pu4jno (:en x .arc:yw -g 16dm62ylgvzhase 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, str.suai:*3q e)i 1b6bnf(:k cbjui xp*pikes an air boundary, there ip*ask* bcj6.:(p3eib bin 1x):uuqifs

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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 traveli3kb 9g- jrj(7nybnh 0dng in air, is reflected by a glass surface, -3j9 dnkn7jhr0g yb(b 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 white light. As thva 2ht 3bd33lm ,d/rpne film becomes very much thinner thpd, b/ 3mtn3h2d3lvaran the wavelength of 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 magnesium fluoride, what is the mivu.*qwuhyg .. nimum thickness of magnesium fluoride coating that must be applu ..uqw*yg.h vied 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 1avau/e7a5a 7 ;tvgchplate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark /u1;aega5vvta7c 7h aare 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 certain s3zs ym rgt.pq-0r;p7yh7e-hh unglasses can reduce glare from reflectez- 0 e 7tg7sp hymqh3.-;rrhpyd 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/he+rc2r )k ng 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 material like jf (qserwub.:) l:-t,l ukwn.+irdn *a Polaroid f(b -k*+efs.qdwuirr.l :l:, )wtunjnilm?

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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 ojae6 dfp15/kxf two Polaroid films are perpendicular to each other, what is the percentage of the incident lie 5axj p6fk/d1ght 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 fromfy; 1 os:h/vg oc7tu24; ctrlt the surface 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 1x72sy;f)ht e ulsjw/.vel/t 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 diffracdu;1ddgx5 2ux 2uvd.otion 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 toward the zenith (overheary;- wz nd95zjd) than it does toward the horizon. This ocz;ndj9-zyrw5 curs 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 pa .je7gkr(4laui)/+zd ohv/y x6r) whjsses into glass, which has an index of refraction of 1.50. What is the wavelength of tu+v/( z4w) he/djrr7jyg.6ho) axlikhe 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 wavelength1) zx ae;tc2sjn t4)xd 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the fr4eat;s )n)2ct1zxd xj 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 nu 8--3/r muik4mpq(2kqgiof hm in a vacuum. It passes into glass, which has an index of refractk (3hpo /-u4gu2rf q-iqmk8mi ion 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 55m xe9a/ta(:sf 0 nm 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 5528gbo ,:p ssbm0 nm in air is 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 is fousm xc5d/)fnt(1p(oe dnd 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 the-tuezpx /jh 4p9 m+nt/se slits, and produces a fifp/mx9 -e+tn zu tj/ph4th order interference 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 t u,fjx 5x(y hwgti8*fq1uvp0nwnp(7 8he third order bright fringe is seen at an angle ,7 t h gxx(0y v f5jif81qpwn(8nuu*wpof $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the two s/swu3jvianjgl 5y9h-54ms6jwk v /b 4lits is 0.050 mm and the distance from the slits to a screen is 2.5 m, finjm4 w3-4jayn kg9u5ijsb5 vl/s wvh/6d 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 separation is 2.0 mm, and two wavelength93jfq*q)4r s wl(+y9nzkz zc hs, 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 brigyc49kq 9l)jw3zq+h s*(zfz nrht 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. Monochromatic light of wavelengxz0m )6 okt(t9horbi e 40cx8z j*fd0wth 634 nm falls*me0o z xtdo 9hkz8xfwb) j60 t4(i0rc on the slits. 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 double slit s:x(lftzn+ s 7metup that has a slit sflmx(z+n7 ts: eparation 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 contl20sg6deoce rs3u( a8aining two wavelengths, 480 nm and 700 nm, strikes a pl 3gdc02rs s6(oe8ealuain 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 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 rej4y 6euo pvav75*,okk rim, d:d light (wavelengtv46eyr5 u :iapkjdov7,,mo*k h 670 nm) is 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 ou0/0h.g jc(9wky op xm2s8 cqxy6xes :n a single slit of width 0.20 mm. What is the angular width of the central diffryj c(q :290gcx6hw 0k x 8so/xesmy.upaction 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 mm8wmj 0e q89k+8ttrn*9 9wbe0 jv zncwl wide, is illuminated by light of 550 nm wavelength. What is the angular separation between thq88bm+ r0cn0 ej*ltn ejvw9w 9t8w zk9e 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. At whu0,privp :1a;ap( r1dlku i* rat distance from the slit should a screen be placed if the second dark fringe in the diffraction11;* u(pruld kai 0r,:ppavir 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.u5 de n)12zgdnt dt xso/oa)/4qna61i20 mm wide and the diffraction pattern is producznnoxd1 s /5du)io/g nt6q4edaat2) 1ed 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 slit of width 0.300 mm. An observi;vp c,jmi1j 0pxc7 p4bl)8 klang s0pcx7,)k pmbjl p1vac84 l;jicreen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit ogdbe(/i 93k8m9w na iaf width 0.300 mm. An observing s9gi( a ka dimw3b9/ne8creen is placed 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminaty2cmg;g ,ljw, vt nd- f8hoaq670(rwt es a grating with 7000 lines per centimeter, its second orderg ;n g6-7md0 cjt awvrtwhq(,2f,l8oy maximum 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 betw.w7/s,mmejqcu) 90 eydy(er 6 ;nritmeen the central maximum and the fourth order maximuyriqsc.ed nuwy;j/ tem70m9 mr6 (),e m is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating that is 75 mm wide an:m+v xghffk6 )d ruled with 50 :f)mfxv6k+hg ,000 lines. The second-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experimena vf8ib:4 +r1utw (msvt, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produ4+va:si u8mvwr(bft1 ces 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 ha8ar:l,rkyq,8mw h0 bcs 6000 lines per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central 8lr,, kabyq:8mh0 cwrorder when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. If khfb7 a;rfsx 36hx -0lthe grating has 2000 lines per centimeter, at what angle will r;rx73 fk haflbsx0-6hed 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 first-ordetes :3g zgv)r0nz.rx4r maximggz3t 0x)n.4 v:erz srum 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 wad6-bm4jzy d +eba0cw, velength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern i,4 0bjdmeyc db6-wza+s 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 inz.gp+ eg z:or9cident normally on a grating. If the third-order maximum of the diffraction pattez og ezg.:p9+rrn 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 sepak1uy4 ydedf1 5tr d:2zt; mxs0rated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 s:dz4m1yyt t;xd5rf d21 0ek unm?

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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 g ;6w 2 itqezwc76et0t1.33. What minimum thickness of this bubble will ensure maximum 76eewtcqzt0w 2t gi ;6reflectance 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 :of wwe8oq+wn4(b-rf illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an i4:f +- wwo oqnw(erbf8nterference 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) on a gly 1sy cmspk907ass lens (n = 1sys7 y9p0k m1c.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 and xuf:+0: dtcsf,i au)(4jxion vt nd 7*the intensity of the transmitted light is 1. A second idi t *s4f d:7+xi,cnn udaj (vfxu)o0t:eal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred direction ro* tk;du4bhrxeqa qc1o j4l/t12+h;z ktated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of glass ph /,8fh+uz0vye/1ovk 3l yweat an angle of ,h 0yzh /+ 1pvoewfey k8vl/u3$57.3^{\circ}$. 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 combination. 1a7sqt:5dujl The transmission axes of the qt sau 7d5j:l1polarizer 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 q z:end6o 4zr1h)xozm vxp9 7cu34w:treflected in calm water is c4m3x)q6wz:zp1t c4ehzo dx9rv:o7 unompletely polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an analyzer. In this procp3mcqikg8n8am2(,4 vyde 5cx ess, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. We5 4mgydni 28c m(cxp ka3,vq8hat 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 u3r wj 6psuj,o 74zln/traveling in vacuum and reflecting off a piece of glass of index of refractionjw4zorn ,3ljuup/ 7s6 1.48?

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