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习题练习：Physics Unit24: Wave Nature of Light
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 作者: admin  发布日期: 2022-08-28 11:19    总分: 91分  得分: _____________

答题人: 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 principle.c y;8zcz i *xe, 7zdxv)j-ssh7
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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 statemenwib0v f. 8pvx1w)g.w cy.ivs-t?

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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 attribuco( 3g8ula.63, cmc7o wwzf(hu :iavdted 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 attributeiy7xzj yvs6)z4 /um -jd 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 dipn6gy9-ob;l w.a9 y8ancgxg9 fferent 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), originally traveling in air, yvy, a5 06e ,umxopg+wenters a piece of, + xgoy e0uya5vpm6w, glass (index of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 59x .w n)7m: 8 h6:dkpksj*ykldz0 nm), originally traveling in air, enters a piece of glass.h 6skwlk7 kzpjdx: m)8y:d *n (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 light spreading as it passe r re 5vdiyo+6z1)fk9-w1ltba s through a narrow s5o i+rb-rzea1)d19y lft wvk6 lit?

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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 objezha 1ubh//bj4 cfco*c( 0yj,fcts such as buildings, whereas light is not noticeably diffracted. Why is thiscoc,j0fu / b(chy4/*hb1fajz?

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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 alfp;eh 9 5c2 qk*ctbe2uternating light and dark bands when light passes through two or feh2ctbp ;c u*q95ke 2more 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 tgr(p5c51+e l(zuuwhgac qw/(hey

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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 q+ 6y1pb7+exh5x,bn ey.lqdk say that two light rays striking a screen are in phase with eaxb 1n5b yp+qdh .ylq+ee,6x 7kch 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 arrivings6c(qm .k)nkc at point P. If the maximum construmnsc)q( 6c k.kctive 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 arrivi2air0v6k: bjfng at point P. If the maximum destructive interference is to occur at point P, the two beams m f62 :jvribak0ust

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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 double gmh lij- 9)n5w,dslr qu9t)3r-slit experiment, light fr w9d,3)mrj)th5u 9s nli lgq-rom 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 i wxnu;aef1vb6d()w4mn a double-slit experiment, lightdw nxm(1ve6w fbu;a) 4 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 double-sli;l lqgavun)ntu3 n /prtfd-j**9: v2ps9fcl,t experimef/pn -2d3pv qtn9f *uc l l;,as:r tn*9lvgj)unt, 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 separation be nustp3wa q. mi3k5j+9tween the slits decreases, what happens to the ditnk p3a 5qmw+is3uj. 9stance 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 d v9founm 9m5fru*1o:ux 0 ku2mistance between adjacent maxima on a remote s9ou*uo rmv2 kn 9f05muxuf:1mcreen 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 tra*yvu dwb0m.; g:pj mj*6:y ouwvels 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 slire5unr51k4n bt experiment arrives at a point on the screen bn4u15r5kern one-half wavelength 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 impossible to obtain interference +y:ys oijz 9tn-u3w-vfringes in a double-slit experim- ju ov-st: wiy3zyn+9ent if the separation of the slits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in o up0:ri4w7r aqnp2m,a double-slit interference pattern using monochromat72pqarui4p n,0 wr mo:ic 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 separat95b 6 l 4d3dv, 1p:phegiuk-q /ezitsly1tu.y es white light into different colors i v4d9 lzu pht1 qiei sp6bu1t3ge,/k- l5dyy.:s

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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 0eov x1u)jwdztmcz4u9p 2p-8form 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 shortereo kfr4i9xgsmt +2:+c 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 than 75 vq: ;q/m y,xsjfi2k8j0 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 idn:0c br+f+z from air to glas0+c+: izdfn rbs?

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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 refraheix7 t *2ixe03tyho+ ction when passing from air to glai2o ti yheh7*e 0+3txxss?

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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 thi6v z d1z;ynij;ck glass plate with parallel sides, at;6vz n;dijz1 y an angle 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 t4,lv t,bg2e b/wvutws:x( nd; wo fingers, with a very small gap between n ;(/tvs u lwebg,x2v4d:tb,wthem, 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, if the width 3)ozumgb7yrv,1v. h/x kn ukv c( q7d0of the slit increases, what happens to the width of the centraluq7v.og( vhvmzxc )r1k nykbu03/ ,7d 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 diffractionaqqng ptj4mu4ll +8 8/j7hlu 0 gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of th 4 0utljpn8qghq+l84 ulmja /7e 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 diffracdxnss*i 45l4 gq (6 tire9a6kmtion gratings with the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with ir(tak4 gd5 6xnelimq 4 *ss69a 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 a.3m op5xuq /4hi olq9slick 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 mozesbx (.n(xtg+daxb:i(b+ f+ nochromatic light waves can interfere constructively or destructively, depending on their phase difference. One conseq(xa t gf(bx+d+neixbs+ .(z: buence 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 cz fh(cvqt xc:3-cx:, in glass, strikes an air boundary, there c-,z(vc::xhqftx c3c 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, whi91hh du:5i jzgch is traveling in air, is reflected by a glass surface, therhi j:15gud9hz e 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 +ah*hwyk v b5:;bhq-gviewed in white light. As the film becomes very much thinner than the wavelength of bl kwhy: h;bbh* +av5-gque 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 ffvx-ac)kdqy61 8h61jp k u d1cluoride, what is the minimum thickness of magnesium fluoride co fd1)ack h 1xk6 qp1vuyd-8cj6ating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and illuminated from above :gfjt8cu x;i;with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observef ;i;jt8cxu g: 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 cer.d7+gu:gj/x+ v4zc q zj(pbl bv5amp4tain sunglasses can reduce glare from reflected 4p c.5bp4v /vj ( auxd7mqblgzg:+ jz+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 polarizatioj-e:q)tm0go4 yjx vj 4n 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 lighswxoumb k,)wayq50h 4h vn/6j1r+jd) t in a dichroic material like a Polajxs6q +y/)h0mwr),dho vjk5 1wanb4uroid film?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are pp po7 bw/79 tfttcr3,ct-1qwmzb v8t:erpendicular to each other,rt 8zt cmf73b:-wtqb, t vow/7ct p1p9 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 surface of a lz)0sdixi(v1 hlj*vftoa. +l- ake

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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 gd3uev zvmi3jz;/ 3njq 7u9 tm)reatest 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 exhibite1y48 *e; m;dvu*m lb0ihypu oed?

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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 r)gg0 *igg 0 wv+2 gqwp/kfg1ofce0*hzenith (overhead) than it does toward the horizon. This occurs be0frcwq higv*g+p*0g1g )w f g02o/g ekcause

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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 intoes2aw f0j5iz h-is n k5p0,8wy glass, which has an index of refractkj8 0-pws0 snz,y 5 afiew5ih2ion 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 / ) x3ak f-,iyumlm:pb0eynn7 ,ez j5x600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the fmkunyx, np)l,aj 3- /ebf i 7e:05mxyzrequency 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 nm in a vacuum. It passes into glass,naa9od29mgl 1 sjf43v :nc9ah which has an inf:j399a2h m 19nlsnvg 4d coaadex 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 is founk6 y;3fa: g2ranfrs8eyf mo0 -d 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 hf7z*gh6 h hi-gv wxsh4(r63cfound 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 found to tj89pa; sc.qx) u7xfa i fq6dl9ravel 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 fallsk/ lc4obr50g:u9i6uudol 3p w on these slits, and produces a fifth order interference fringe at an angle r0ou6 3gudlkob:45pi 9wucl/of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a doub-6 lwifupvowj-1cj( 7le-slit and the third order bright fringe is seejo1-6- (7j fcviww upln 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/ 5kvgry,glt 7 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 the firl,yvgr/k t5g7 st-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 experire1t22;frdwzl 2+da rment, 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 2trwl+z;a2 frrd1de2 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. Monochromatic light of wavelength 634gwb3g yis8uv* // mt4k nm falls on the slits. If there is a screen 6.0 m away, how far apart are a8 sg/t*kugv3i4wym/b djacent 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 h zf 1nznv a)nog )-ww69-7tgssas a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m fro1s)znv9 6woswgna t ) z-n-gf7m 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 wave6lmnv.n97*y sdm d4 sjlengths, 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 n9dm67mnsvl s 4j*y.dthe 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 (wavelex7. :u8rnwiw wb) jxh1ngth 480 nm) and red light (wavelength 670 nm)jx:8bhww w xi 1ru7n). 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 on a single slit of widtsp)j,on7 0 r blxblhqim8:+z ;h 0.20 mm. What is the angular width of the central di+80l ; ,)m sopxbjbir7qz: hnlffraction 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 55+,mb ,7stfdk ,cce0sj0 nm wavelength. What is the angular separation between the first two minima on either side of the central m+b e0smk7j,,fd,c tcs aximum?

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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 incidha+3zu,** q s2zk97xsd ajcz jent on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dar zj7 cu*3qs +h,jzd2asxk9a *zk 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 zw 9 v qg+3mx m;lpw)u6x1p8dr610 nm is incident on a slit 0.20 mm wide and the diffraction pattern is prod+9 xvmqdl;8zppgrumw 1) 36xwuced 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 m7vqy yan5v-j, m. An observing screen is placed 2.00 m from th ,n- qyvav57jye 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 q xx 4ozss;2zwr)21 motk0uc: slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central maxtok u2s ws4qo 1c)x:2 x;0zzrmimum.

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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, its second orky* li *g7s;fldergly *;fik ls7* 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 rvzmi2+p1 n:p lines per cm. The angle between the central maximum and the fou1inmp :zv2 p+rrth 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 is5 ,ytqoi e)*oqmc2zs- 75 mm wide and ruled with 50,000 lines. The second-ordqoicz 5te,)2mos-*yqer 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 b )j6kyswuxah,uj709 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 when70ju6ybhwux)a,9k js 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 gratinpvq88nu sjyjt5 tk( 8.g has 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 order when the grating is illuminated with a beam of light of wa5.(sj8vq8ujt tykpn 8velength 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 spec+rd 60g//rns;a8g4vtprpxr z tral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear inzgrn+ras0 vrd6xr gpp/t4;8 / 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 usetf2denxt ay,by27y4 )d to calibrate a grating. If the first-order maximum occury2y bet4y a27t nxd)f,s 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 nm is incident normally on:ub f,uz:cyfp ,k2ry 3 a grating. If the third-order maximum of the diffraction pattern is observbu,,yp rz2:ffyk 3c: ued 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 normallypvwbimy,3 2essjbu1 +6o(/o e on a grating. If the third-order maximum of the diffraction pattern is observo6su j wb o(evsb+/1ipmy2,e3ed 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 fro ne*gsxhp *,tpm9ni3pl : nd6rb38yc1m another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacen 6,nbcpp*i 8e: rdys3xm nl ht9*3p1gnt 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 refracxb )5kf +y9p(xrhkz*ttion of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelengtzxrtk(f9phy+b* 5 ) xkh 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 ( nh gor)jd8+i4f 2h :-fg chg.rs = 1.33). What is the minimum thickness of film that will give an interference when the light is inch4+ f.)rhghjd8o2 cfgri:gs- ident 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 thickn6fcoj 0bz5gi6 ess of a nonreflecting film coating (n = 1.30) on a glass lens (n ijbo56c 06fzg = 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized light and the i dk g1anl:1oi.ab )a3xntensity ofb.n 3i:agl 1ao) 1dkxa the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred dirp2h.:: mnt oi6lwchq /ection 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 lightt:2u7i ;oop+sdqbxg ja i 3:t0 in air strikes a flat piece of glass at an angle of u ;tbg3xq :od 7spai2o tji0+:$57.3^{\circ}$. 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 mt8zt b6wn9mqy+ s*cc 45gf.othrough a polarizer-analyzer combination. The transmissinc zb* osgm6t9+ yqmft5c.w48 on axes 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 refljvm dl3+q5g i+ected in calm water is completely 35+l dvjmgi+qpolarized?

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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 i3*bsdr8o3393 y /7wnthpuba6 6ikx sua 1ibcthrough a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the inte3yr7o wsnhdtu psi1 c i3 ub8 k*/66i9a3xbab3nsity 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 vat+zn1ki* x1qmcuum and reflecting off a piece of glass of index ofix mk+*qz tn11 refraction 1.48?

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