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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: 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 princb ii ur66qa3t-iple.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followi(yn :6k 4q. xngqgm-gwng is a false 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 liggc51aar fj; uke4o8m2ht 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 of light is attr vo)f.xhij* c0ibuted 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 differen 7 e6mji2l17cxq twahuvn44+ d +xfxj1t 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 incfy:y9 mkd6f7hs .f2 x air, enters a piece of glass (s29hydf:. kyx76cf mfindex 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 = 590 nm), originall(2g rml,zz6dwy traveling in air, enters a pl ,(zm6zdrw g2iece of glass (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 lww 62on, bf8 d(bgbd-might spreading as it passes through a narrow slg b wn6,bd 8o(wb2f-dmit?

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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 la;(wmzw vy9nhtfcs5g/lq km /8; qv-6h rge objects such as buildings, whereas light is not noticeably diffracted. Why is this?6 v; sw9cm w8 fhq/;vng(-zh/t5l qmky

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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 and du, :e8rg a,rczark bands when light passezr, 8egra,u :cs 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 coherent if tm0 xm2gb0afoo3t 3capnp yh,580 cq4uhey

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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 twxbx 84.yun*ku.2gf; npuc w+iw ef66 uo light rays striking a screen are in phase with eac*+c8wexiu;p6nx..w2 6 ubfug4unfy kh other?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. If tdh.or 2;m+qqk7ao 6 hrhe maximum constructive interference is to occur at ;2d.aqoo7 qmk 6+rhhr 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 path0ro k6b0rfj,b:e p1ics arriving at point P. If the maximum destructive interferenc:rpo1b,bfci 6k0j0 e re 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 brim 0fm;+,zm9rpf;i zh0-px axbght spot in a double-slit experiment, light from each openin,f;0mf impz;x9m pharbx +0z-g arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in a double-slio9gkk 8dbmhr 2u-v bq /q, g:phb2e6;gq+i+nrt experiment/ gn6k+qq9egb;b +,h ok8dh i:q rr-2g2mbuvp, 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 ) -ma; xsogwn;the central bright spot in a double-slit experime;s ;)nm-w goaxnt, 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 between the slits decreae*nku9f.kro8pb ju 0*ses, what hap.jenr u 8 bk**9kp0foupens 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 adjacz6 )re utsw:1zent maxima on a remote screen is 1.0 cm. What happens to the distance bet :zu1zsr)e6twween 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 lf oh m hlk00cvyl6-j 1gs:yd/+ight travels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit exper,km s3ifacz v bzp37+j2p ,g+oiment arrives at a point on the screen one-half wavelength behind the wave from the other slit,vc sf ,o + a37mip2kbgz3,p+jz 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 fringes in a double-o a8h73tjkjd;k ,im9b f1g)wcslit experiment if the separation of the sj;1a7,jmkidkcfgbt 8oh39w )lits 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 interference pattern u)b.v5.jmhsevs x( (re8a0qsq)zy :zlsing monochromatic ligy:vesl v sa e 0(8.jx)szh) (5qzbm.rqht 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 w nvxkzb*-m,ao ..ejwd6 t i*3qhy a prism separates white light into different colors is wod*,xmnqj. .z3etivak6b - *

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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 ;wg-h 8kqh3ku form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter szsjzc 54v 7-athan 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 wavelengthoc0 nygz-hg 8u) g*wx5/ypq/ q slightly longer 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 rtz2 o)zs-4ovwhen passing from air to gla4vtr-z)oo2s z 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 ar6fhczvi- ckjb +95 *vir to glas-vji b9cck6h+* 5rfvzs?

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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 thick glass plate with parallel s)ef ,l)a; *xufev(cbsides, at an angle b;(l c*av eusb,ffx)e) etween $0^{\circ}$ 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 f s+/8tosp+vesn45 zxcingers, with a very n+sx /teovpz4s8 s 5+csmall gap between them, 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, w7d1 *tuo ujz88ttr n0.x2uplif the width of the slit increases, what 0 j 7uptu12uwor.8l *zdx8tnt happens to the width 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 has 4000 lines per cm and th rwrp68 i) -mufy0a8g0* u2nhb lxhkf+e other one has 6000 lines per cm. Make a statement comparing thmhp)riw2 x -8g nuf*0lbkr6+ hf uy80ae 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 on mfkf92hx/ u v7reib4 +3pdpx/ly 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, make a statement concerfurp9/hx2ef mipdb v k 3x+74/ning 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 saz 9chrugjrk /1-:f-p lick 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 .g6h ;914pdv+vitrukpdi tm+ waves can interfere constructively or devp rhi tt;uipdkg 91dmv4. ++6structively, depending on 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 traveli mlab4prf((a9 l6o6k dp/ +bzyng in glass, strikes an air boundary, ther46+d lozymb9 rla (6b /fkapp(e 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, whi r(3nz8erkx10v/gh5 d5cnrf f ch is traveling in air, is reflected by a glass surface,ff/ n0 xr8rgnekv51cz(35 rd h 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. Asn ls+8 ltg+ ur88iuq2n/nwss9, p(odd the film becomes very much thinner thlgnss ps9wdr/un8+ qt ,d ou2 n8+(li8an 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 w+zce -8st;;c aibb)c 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 wec+ )tcc8;sabzb-i ;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 placedg.pbhjg*0 0s vp0z ;vzz:3 lar on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric 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 ih g *lav0.gpjz0s :3zp;zvrb 0n 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 fao5 ,7dei3 hadpct that certain sunglasses can reduce glare f37e pd5dao,hirom 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, thfnq7r,7imilp9 nk:v-qvxx-3ulj * h; i wlo,8e 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 material like a Poldhk+e6,.csf;v wn/ gc(i 3dsz aroid film?dzv3c ns. w/ d kse(f+;,cgih6

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axe6mp/ gy)f-pzhs of two Polaroid films are perpendicular to each other, what is the percentagefm y-6hp )/zgp 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 gwjfby+0 sed2px4f 0ky (g7c+ 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 1 eab4c98q i57v aqpktsunlight 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 9d8l znv(4y+if fo, c 1vo;sumexhibited?

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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 zenyo4h)dvk1 3 6s(bpuiv w/k qm1ith (overhead) than it do /v(umh3d by w)pov1k4sk16qies toward the horizon. This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuumig r*iuetz-9jtv*4,8dwc v d:. It passes into glass, which has an index of refraction of 1.5 dd jtrtu* e4zc9,v vi:8i*gw-0. 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, f7 j0m o+j(eiqwhich has an index of refraction of 1.50. e o(j7i q+0mjfWhat is the frequency 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 pasck.c/(orxh-j ses into glass, which has an index of refraction of 1.50. What is the speed of the light in tjxcko ch .r/(-he 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 fol fm;ffhd5).mtp ;/g ,u( woround 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 ac ./;nqpl+jif t $1.96 \times 10^8 \; m/s$ 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 tra4f*i1v cvfb7z vel 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 ap7)ya7 es;a4 swyb8 df7twst)e art. Monochromatic light falls on these slits, and produces yab;t)af w ew8st 7y4 sde)s77a fifth 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 575r6(ikui 4 1t8ll*a7lk dpu8qa nm falls on a double-slit and the third order bright fringe is seen at anu6pia7d klr8 1autl8 ki( 4*ql 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 expem8 (y ac3d-(y-c+,ts8zwt bkq i tdqz(riment, if the separation between the two slits is 0.050 mm and the d qti,( 38kcws -b-ac y8tt(qdz+ (ymdzistance 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 separatio 8i ;b lyhdm3w9u:wsy gry9+,ln 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 distancusl y, dgb y:m8yirww3hl99+ ;e from the central maximum on the screen will 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. Monochromatic light of w4,,a 13vja i- peevnyfavelength 634 nm falls on the slits. If there is a scre3i,j41fanp e v,yave-en 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 setudlc+ ws 59.wiyp 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. What is 5 w+cdsiw9. lythe 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 containi*2rosqq2vp1 z ng two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incide*r opqqsz2v2 1nce 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 4*jm 49bzk2c 8/b xlrgh80 nm) and red light (wavelength 670 nm) is inciden h8c4lj* x /2zbrgk9bmt 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 xc lu;s/ce7-:ph62 /rdsly 83enlqt u single slit of width 0.20 mm. What is the angular width of the central diffractcp /38s /:lesu67rtxyqdl -nleh cu2;ion 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 550 nm waveleb dldb( ;ixo80ngth. What is the angular separation between the first two minima on either side o b0do(8lx bd;if 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*rmmwn w16 kks3:s2w5(r:i xedql-so what distance from the slit shoul k s:x: es35smdn( w2r*rm6k-o ilwq1wd 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 an8bw+ :ixyeue;k 7 ediq405xpqd the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central4xdiqp+e05xu ke:8;ie7 qyw b 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 sl/ ::uq.2 avjoo zb1engit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the cq1 juz./:ngaevoo2b :enter of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.30f,hvl55dtw/ c 0 mm. An observing screen is placed 2.00 m from the slit. Find the width of the d fclw5tvh,5/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 lineza,6;; v*s xbinfab5 es per centimeter, its second order max a b;ifza5bn; xse*,6vimum 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 the 2nu+wbcz r i:w8am 79icentral maximum and the fourth order mac u8irazwbnm wi29+:7 ximum 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 and ruled with 5q(+ e jkrmwhu7 s,l(z.k-g kw5k +z r5-k7ww q.gjlh,u (kesm(0,000 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 experiment, light of 600 nm wavelength produc uqoapo aenin xz1;jd(y*,:2f .zu*5hes a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic sourcea;5yzqx*oz u1 .odnhuj,:2* (pfeni a 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 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. Wh fmfu7n )r/eij1b36dc at is the angular separation between the secf/dc1m6)j3 nbi7frue ond 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 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)phv5x jku h,h7* vdqs. bh.r6 by a grating. If the grating has 2000 lines per centimeter, at ) hsk75r,* .d6h hjuv.bvq pxhwhat 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 to calibrate a grating. If tv tg 4*c s*)ldgnqh v69n,6bikhe first-order maximum oc)nh6vl kc dg6v9 it*s, *n4gbqcurs 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 a n0 u(x3b9 oewkgrating. If the third-orderwne3 x(b0kuo 9 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 a4,jv3xbo l2i is incident normally on a grating. If the thirdb vxa24,jl3oi -order maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another g74z 8okga ; h1t;0wyuqy2 rh g)wrvrk-lass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent70zokh1 gg2r;;r yy)tw- k v84h uwaqr 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 minimum thickness of x . 4 ogfj)ii2-5zqmputhis bubble will ensure maximum reflectance of normally incident 530 nm ixzg )25ioj q-.pumf4 wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). What bwpa8ld*r*u)p2 r2en is the minimum thickness of film that w dprb*e)n w*ur2lp28aill give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coating (n = 1.s/g2 uk g016ptnut- ky30) on a glag0tukg 2py n6-/sk1ut ss lens (n = 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in;mxdtgb6;9j6z , h u+ck cvqp0 a beam of unpolarized light and the intensity of thucmkc ;d;xv t9,z 6hjgbp6+q0e 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 dd;djx ub*5xh *irection 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 sy;*a.vx* vgty h7w(g btrikes a flat piece of glass at an angle of 7 .tv*gyx;yh a*b(vw g$57.3^{\circ}$. 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 thro o(z 0-/krfwiyugh a polarizer-analyzer combination. The transmission axes of the polarizer and iy -rf/0z(ko wthe 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 5n 4ds.7cytz bwhen its image reflected in calm water is completely y ns.7cztb45 dpolarized?

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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 awmwy4*2ygj g2 polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10w g2*2y4jwmgy % 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 vacuum and reflecting ofeq 74oyo l-0qlf a piece-e lo0l oqy4q7 of glass of index of refraction 1.48?

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