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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.cflm9m +kfza*yl29/ j
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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 statusyvjbk4 8l0na3agi 3z*5+pa 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 lig,, wv4.wwujp njw )p9bht 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 o wi2; bvfxhun1m xi 22/(e+gcwf 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 enters into a medium of differen chl+b-pb/tp*e8 +ogoxamk(o33l7z jt 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 = 5ojs-7 .bv z3 sujdj;5mv1srf090 nm), originally traveling in air, enters a piecr.vszujs 5 3oms7f bdvjj 10;-e 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 light (wavelength = 590 nm), origiav*1mje6w mp; nally traveling in air, enters a piece of glass (index of refraj*a p6w;1emmv ction 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 thmy:9cvcr* 2hd v4l r)(c ypf*wrough a narrow slih *wym 9c2lfpvrc ) vd4yr:*c(t?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted by large objects such as buildings, i5jk4ydhqia ,)haa0, whereas light is not noticeably diffracted. Why is ah,a)iqha,yd4j k i5 0this?

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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 alternamjxt y:iyi0)yss n l3 2f75;xqting light and dark bands when light passes x7yq5sjs32n xm;yl it0)y if: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 t8c.d f9v ysb8nr;l,nbhey

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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 sayb jqik98 y;bog-.j m9z that two light rays striking a screen are in phase with each other-iybzjk9 gj ;q8o.bm9?

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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 th9j tt aev.f5 k:w:7 .c:gt yrn*duxx-ce max*:-c.9nk:du jceytgwxt . f x vart75:imum 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. hcu;)p rg*qm:(( erc8o.iito If the maximum destructive interferc.u*8ritg i (; :cqemophr(o)ence 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 centrpq i-q4 :il+hx.moth (al bright spot in a double-slit experiment, ih i hpq4x:lqm.+t (o-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 o3:p+f9n) r h msetz o.9,kviaxn either side of the central bright spot in a double-slit experiment, light from each :n rfzs pi.9hte,)m ok9+a3 vxopening 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 dir*q;)c .- pn)e op0pa: bcecvouble-slit experiment, l e0:- ancpbr.i)pc oq ;c*)pevight 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 bec/0+alw4gb n(rx7b bls+ *e getween the slits decreases, what happens to the distance between the interfere* 0gbe(r+esnwa4 g7c/ lbb lx+nce 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 .sxnuk71co: k observed that the distance between adjacent maxima on a re:n 1s7 cukox.kmote 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 tr:g)s w/o.uk,j:9ud jul7 kq gfavels 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 sl1v*1wur su e.vit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is r1w* .v 1uvseuobserved 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 impossib+yy961jpt) t ci d uyauz:)l;vle to obtain interference fringes in a double-slit experiment if the separation of the slits isy1j)y c v zd:ipu+tty6ul;9)a 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 inigu :xmixfnt67 w()lgnbxb ,+ j1 e()lterference pattern using monochroma(fw g , xe1)(li):lnjnb iu+g6t7xbx mtic 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 light into yy4afvl28gd(k8xl z;different co24x(zvg 8ld;fakl 8 yylors 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-i a;3:job4q h ilw ,bzp lw-f0w)d*gk a rainbow to 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 than 4008 7znbdep+7 v0;ahl*q(u dt-mwgay ism/h p7 1 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 :a8lo 8k4mykban 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 unjlepj2g aqep-88zh,6 dergoes the greatest refraction when passing from air to glass6q ,p 8g-ep8hejl za2j?

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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 pw2 , o3pdso7gxassing from air to glassow3x2,opg 7s d?

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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 parallec(x0j75sydpuk) n :-rh :wgck l sides, at an angdxg- :yw07( p)u5kcs k jr:cnhle 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 sourkqcb.r82 6 uox8zyvx+ ce. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she wrvy68q2u 8k +xcox .zbill see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the slit increases, whae:tnvxg 7+/sht happens to the width of the central maximum on a s/e 7g: nvsxht+creen?

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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 andpz)9t9 s *k3yxq ;mlcu the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two gratings.uqzt pk9c* ;9s3mx)ly

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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 on9q;c7w u-vt +m tre o/ekh)kv: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 s) vmtkh-;qu7 9kvote+e/w :rctatement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by reflectz6g : f. hids5y5uy0iffecz: hl59 zpjr0rg:0ion 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 can interoeeyya48 9h:6cx6jn 3yvh. dkfere constructively or destructively, depending on their phase dih. 4 y: 3h6dx8ejyy9onekcav6fference. 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, strikefx,6rng8nt2 y 0qjm 6y:rs wg0s an air boundary, there gwtr:sj6y0 8n,2 6yx ng0m rfqis

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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 ts bcm ov3,z *2b6n0x l9t.jnknraveling in air, is reflected by a glass surface, t .l0ns,* j 2bxc3nk9mtvo nbz6here 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 vievpian1d84k.os vu d i+rn if9gy4p2) 02cnu/kwed in white light. As the film becomes very much thinner than thncp+8p .ig9v1u)44ynr0ivs kadfiou2 d n/ 2ke 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 fguu,rf1,i+bx gu 3i* qjh1c (dluoride, what is the minimum thickn11ucgd(,fj*+u3 xrh,qiu i gb ess of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass 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 flawaujym ;/ vxpl+ .:yj:t glass plate and illuminated from above with monochromatic red light. When viewed from above, concentr+ml yyjw:v:/a;.ju xpic bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is respocy 1d6b c*nzz)ngv*v 1nsible for the fact that certain sunglasses can reduce glare from reflected surfaces?n v1gyc1c6n*v)z z bd*

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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 polarizaw-t n+,sot:9(stlz l mtion 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 di6 .y )84 n3spj lhpix0okbu*rpchroic material like a Polaroid fili3 *p60pbulr).k8osn j4p hx ym?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are perpendicular to each oth9 qk s,fsll kw,2u+(txer, what is the percentage of the incident light which will pass the two films?9 sqlsk+ 2,fl xktuw(,

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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 laro: qa-teoe.1 ke

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is greatest 1*iw3m/ik gaw 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 following6vrs 04ag) tli is diffraction NOT exhibited?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more blue toward the zenith (ov357cv ifuz9 coerhead) than it does toward the horizon. This occurs becauseoc7z3 i5ufc v9

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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 vas8 mbysm1g0 ja)sut43x fve6:cuum. It passes into glass, which has an index of refraction of 1.50. What is ssjxaust mg6 8103:4fvbm) y ethe 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, which wliv-j77; q hh t*bhu*has an index of refraction of 1.50. What is ihl-vbj; h7htu *w7 *qthe 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 pasln b )tir ut,5*c*we-sses into glass, which has an indlub5nwr,*s t-e t* )icex 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 v+ p5tq, a7zrd) ool0cmacuum 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 550 nm in air is founhya,f 74xaqb1v 5jwc 3d 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 fe8g*p+lf2blacv yz4 3c 5vw0 zound 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 oni rq m)52 w/k;lkhzzhbd/k)x* these slits, and produces a fifth order interferenc5i; zm/2/ld))hxkb hrzw*k kqe 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 nm0kkt w131d-q:aijsm v6nql6t falls on a double-slit and the third order bright fringe is se:atq3n l 0i1k-tk6msqv w6d1j en 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 separationp16d2 mf 6ov v6eja70e f9vqrv between the two slits is 0.050 mm anvv6av2me0 6fdv6 oj1fp q7 re9d the distance 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 mi mzz)wrug:f+ q9 10 7zmsj6nslit 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:0rmzq )i f+z7ws z96 mnjgmu1. At what distance 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. Moesoim w4ae1, 6nochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?4o6eesm 1aiw,

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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 i7bgy dx w7z(9xc /iqj z+skt.3q1kk +a Young's double slit setup 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 the separation between the third-order bright fring3.sdk/q i w1zky 7i (79qxk z+txgj+bce 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 1hz( gz2o 0gvll bbujpc n+5v;2y+v: ewavelengths, 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. czvlvl2:z;h12bgv bu 0+n+5(jey pgo 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 lighyg,/f7gv ysj-j,n9d k t (wavelength 670 nm) is incident on a t ,yyj,gfv7dkn-9gsj/ hick 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 bq+vgh 83hkv9 width 0.20 mm. What is the angular width of kb+ 98hqvvg 3hthe central diffraction 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 ykcpgd+*bls8t;( *cd ch8f n 2wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on eits8npd* c;ylb(+hc*g2kdf t 8 cher 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 singtqthm l c8 d,6,q(s8 k ic/yi-cdj76mfle slit 0.75 mm wide. At what distance from the slit should a screen be placed if the sey6j/m8cdf t7lk 6i8i mqs c, d-qt(,chcond dark fringe in the diffraction pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mm wide and the diff3nyin h a1 ;nq. nd8-8t7fjlajraction pattern is produced on a screen that is 1.5 m f7q1ji.a388ldann -;ytj nn hf rom 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 obse1 (kpx0icfpa k/l0 s0 2+abrsbrving s1a0xkpl b02a s/c pkbr(i0f+screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a *wksdxo5 xk.qd1mrxo)4o* .bslit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. F. odx4ro1xxbs *.q5 )o dmkwk*ind 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 lineu,,wua0 t5hrzj k o.m0s per centimeter, its second order maximum is zh,mk .w50 ujut,0aor 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. The00j l;m* ..b7nnduw ywqhwki ; angle between the central maximum and the .yn0blu 0mi;hwwk.n d qw*j; 7fourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating that is 75 mm wide ang9 a9/rglai(/j aao w*d ruled with 50,000 linl j aga/w99i*(/graaoes. 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 6d/96j elx+7vm9hca e d/i3j kf00 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same acv3ed kf6iexj l9/hd/m 7+9jdiffraction 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 the anh9f(od19pg t4f)7tunfxtbr o fni4*/ gular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?()79ud4 tbo9o4f /*fgnfx 1iprtnthf

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. If the grating has a5k 64 ovuwg0xji o .s++l9i pq7yioi72000 lines per centimeter, at what angle will red light (640 nm) appear in the .lxq6goi ui i 0sk+v 547ojyowa7i+ 9pfirst 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 d:ejxi,v-o6 t 0 jqwn0the first-order maximum occji0xw6 tqodvje:n 0,-urs 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 inci7 :uokey-7 atvd8p-2j lf2u pxdent normally on a grating. If the third-order maximum of xl87ot p ye:2pv7j--fud2ka uthe 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 inc* p0* a.lciu/yors5pe,i.digident normally on a grating. If the third-order maximum of t rac* uglsoi5y*, .0ppid/.ie he 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 anot49nm2f a-bi:zqg8 cga her glass plate at one end by a strand of someone's ha-z fm cn42baaqgg89 i:ir (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33.xh x4 ypb8w i5kl;j+t+ What minimum thickness of this bubble will ensure maximum reflectance of normally inljihp 8bk wx+4;+xy5 tcident 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 illuminates a soap film ( n = 1.33+ /api.6unhha ). What is the minimum thicknessu 6.hn hia/+pa of film that will 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 = 1.30) on; r gx.+izek /:ta6eti a glass lens (n = 1.50) fo.ikiett/r; e:g+x z6ar 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 c,irnsj*d0y* a beam of unpolarized light and the intensity of the transmitted lighi y*nc0*rjsd,t 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 direction rownuxytv+ d3+i 5lve+3tated $30^{\circ}$ 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 strii:n7c zems//llf1hl jo4y2 g 0kes a flat piece of glass at an angle of m4ne 0il2/j / g:s 1hlf7cyloz$57.3^{\circ}$. 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. Thezshzuh7f; 9qt0) r.lv transmission axes of the polarizer and the analyzer ar9 rqv7 h)tzsfh0;. ulze 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 rald .od *nyja4 k57s kihh9+n4eflected in calm water is so7n +*4.ikh d49k dlayhjn 5acompletely 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 the ,4m-shg (,h, xvnvex3c :ruqjn an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on tujq3eh,(v - gm,nxxh: vr,4cshe 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 vacuu3t)pe zk zza:ty k 3v ;8dewj*bq,4.qpm and reflecting off a piep,dat e3etkp wq.3z; :v ykq8z4*z)bjce of glass of index of refraction 1.48?

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