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习题练习:Physics Unit24: Wave Nature of Light

 作者: admin 发布日期: 2022-08-28 11:19   总分: 91分  得分: _____________

答题人: 游客未登录  开始时间: 22年08月28日 11:19  切换到: 整卷模式

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's princy:fnc+s p6n,o0t:fl9dv 2to xiple.
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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 faqbjhtc .*17utlse 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 light is attrajh(/rz ;v -ib*hib :+8cg jzkibuted 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 att7yyy;j 8t+lcj,i b5esa8n 5 gtributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of different optical density, w0id z3equmsxcu(quw(91)/ hldq 7/x

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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 trav23ltc9yaxl2m hq0i5 hdo*3c: vc jv,keling in air, enters a piece of glass (index of refractik*5:2ix3 o90dhl al,c 3hmvcyjqv2t c on 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 kx j*fil/mbdi;pxp.u:k(mlb)9 us0 qtoh;:; nm), originally traveling in air, enters a piece of gphb:mk;9u(sb0p u f)l.q*x;k;jx i:dtl m/ o ilass (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 passes throug6m)bk1dmbwtoq) uk7 z 0c9*f;.hy cvf h a narrow sl07h fc;b tf k vc u*bkz.mmy)9wq6)do1it?

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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 /qb7n ba 3bnp/such as buildings, whereas light is not noticeably diffracted. b /3npn7q/b ab 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 and dark bands when lig6ied15 yi,)v /wwam veht passes through t1 awidvy)iv/,5eewm6 wo 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, 7-) crsvtcqc 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 that4ib(6/w rkfnk uwhzak7 d44j 5 two light rays striking a screen are in phase with en b7a4fw4h/ui( 4k r6 kdjwkz5ach 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 theb1r7x f0)qpl)y 3ht63 nmvzqt0rti0n maximum constructive intet6)qrm1n 30 q70fz prtihv xb 3ytln)0rference 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 polc0gxnu. 6 hj:int P. If the maximum destructive interference is to occur atln: c0u6j.gxh 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 4n-w.tu(sf* 5 ocphcy/ku-q mof the central bright spot in a double-slit exus /pmcckfy(- 5n4 h-*.utowq periment, 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 si *2b;gpabdmz4tq o1f rz8 :0e3xkee4sde of the central bright spot in a double-slit experp x: s1e34m b20qazte8do*kzrfe b ;4giment, 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 sidlz6s 3axvr r9)e of the central bright spot in a double-slit experi l ra963zsvx)rment, 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 slitm: s8u); t jjewkk,o7m experiment, if the separation between the slits decreases, what happens to the distance between the intk8 )jwksum 7t:o m,;jeerference 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 tha )9 nycfiui*v 2y)s;uot the distance between adjacent maxima on a remote screen is 1.0 cm. Whatyi9socvn;u y)2)u i f* 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 travels paths .b7z ono0tk+ $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment arriv44ln7 g1bzj+4 exil yees at a point o7gbl yi4 +xzj4n4eel1 n the screen 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 interferencrk54w7ztwla izkes q889ul 71e fringes in a double-slit experiment if the separation of the slits is less than84kkzlz7qs8l 15au9re7 tw iw 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 interferej9 vaqywr+ y *v 6zdd(/wo(5oence pattern using monochroma6 w(+oevq/vyyz9*(or5 wadd jtic 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 + buy t9coz i 4liu;ovmo-vlt9r5 85x.explains why a prism separates white light into different co5i9.url im 59v4otxuyt -o;l cv+b 8ozlors 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 form0;qg kf3/uth)m8h ylx 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 400 nm i4-dn9sn h yh:+vpj1z. wk6mf qs called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelengthk5ynm4;p,yq, ;o tqxo 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 greatz1f a-3 py(*usvrfnl.est refraction when passing from air to glass?f(p zy fs1a-lv*.urn3

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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 tbjmd/ bnc+(1 zo8 whn +*ojww lu.i8s,o glassncbzw,* lu+8s (wi d/hjn.8w ooj1+ mb?

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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 wizxue 7hldtzg -ea -lp)v*jj:3aw f/:7th parallel sides, at an ang7ep j:wxz:l7fa3th*-v)lezu d-/aj gle 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 li key3taw-d(3 jght source. If she now holds up two fingers, with a very small gap between t3kd-a j3(ewt yhem, 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 diffrpp4zwv626s x3 ozvx3j action experiment, if the width of the slit increases, what happens to6 36p3pvx4x v zwsj2oz 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 line7chbf- jdh 36ts per cm and the other one has 6000 lines per cm. Make a statement comf d6ht-h3bc 7jparing 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 slitoxk dm8 bp,-+2fymk/ z separation, 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, make a statem+8mokd,b/- fp2 y zmxkent 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 sl5hlx zp:aomkc*qrs2n:*3i z 6ick 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 can interfe46ztyvpee1 :qpy)ys 1l9 6n oere constructively or d9evs)6neyz:o1yp p e qy 1l46testructively, 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 traveling in glass, strikes a7hhbj- wc1f82 mhu.s+ pdnb 9cn air boundary, there icnc 28fs 1jp+hd-h.7w9bhmu bs

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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, why :ebk9.1zviodt-i y vo m8n44ich is traveling in air, is reflected by a glass surface, th y.:in8vey1-oik44 d9tbm oz vere 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 ligd2p sop de;kf7y( 4t,dht. As the film becomes very much thinner than the wavelength of blue light, the fip7f ;t ypodke(42,sddlm

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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 flwtnd;o 0p.ud+;pl8kjc ,5ua luoride, 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 index of refraction of magnesium fluoride is intermediate to tut8ul;;l50cp ,ddn k. aj wo+phat 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 a e68:m oiw1r*9cljeyz nd illuminated from above with monochromatic 1 jw8*96yrlec ie oz:mred 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 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 fat.(luwy t)jc9ct that certain sunglasses can reduce glarcu9 . l(ywtjt)e from 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, the direction of polarizationxvt iw t30z744 c3:abq boz:opoei83r 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 Pol+sfl 8*(at r)ilyc)zmaro y)lf i+8l*ts()zca mrid 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 perpendicular to each 6 ozi0z0cl t:hbj(d4z other, what is the percentage of the incident light which will pass the t dh0 :lztz(4cjzo0b6iwo 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:(jprq;cz wq; 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 is g 0qhbq4vc tdtz17kc 7v5v- xp+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 diffractitnne r/,1sb6 d o /r,+ulxyakh1 ub;2pon 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 (over9p2 jj.pga7a zhead) than it does toward the horizon. This .z 2j7p apgj9aoccurs 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 or zzg7gwb7dwy. 2-;)urf rd m+f 600 nm in a vacuum. It passes into glass, which has an index of refraction wy)7bg7w+zf;rdgm - rdz r.2u 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 600 nm in a vacuum. It passes into glasz,to ye2q 4yc,s, which has an index of refraction of 1.50. What is the frequencz ,tq oyy,c2e4y 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, which hf(gtbt rw.n0p) zbwhrv m11+4as a1pv ( .wt+zrn4wbhf1)rt m0gbn index 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 pz7rhsr0 +x.*1ahepy acuum 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 5ms cvh;lz ds3w kvphm jmg6o*51,1nh*pr). + f50 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:ga 1hty )h7u sp0/rcsj6kkr* nm in air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart. Monochromaticz8 5d sxp34/7xodg. botu vu:t light falls on these slits, and produces a fifth order interf8p o:d d/b3.uu 7z xgtto5vx4serence 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 the tmwc+ gr16o5sh: z.xx hhird order bright fringe is seen a1z xos hr5g 6m+.xw:hct 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 separation bsrds2 bc0l8t*etween the two slits is 0.050 mm and the distance fr8 l*sscbt r2d0om 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 separation is 2.0 mm, rl l/f(6pg4ohand 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 from one pattern first4l6(/gfhrp lo 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 of14 g ywpsf/ty/ wavelength 634 nm falls on the slits. If there is a screen 6.0 m awaypg 4y /tfs/yw1, 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 Yogvam a;+ 29 0c6f sqhd8gwou3gb,k.xjung'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 doub;+s8faq jvwbu d2 g gc,9ha k03x6og.mle 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 wavelexuo (7kffic 3:ngths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The iuoff7: (xck3index 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 lib0 mg: 31spkseght (wavelength 480 nm) and red light (wavelength 670 nm) is incps1:e0b 3 kmgsident 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 98pg,wxt:d*d ( da;sam/ e b 5fq:narbslit of width 0.20 mm. What is the angular widtb: d9qde;( *rfpnd/ bma :sg8xa 5,wath of the 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 wide, is illuminated by light of 550 nm wav5( w:krw3n8s 4amkwf belength. What is the angular separation between the first kmwwkb( a 3s5r8fwn4: 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 0.75uttp( gml sl:f0.m3 (q mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of 0t.3ll: t(fgqp um (msthe 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 kc0o6 iob2;u q(lvz)v and the diffraction pattern is produced on a screen that is 1.5 m from the su o;2q) zk0o bvlvic(6lit. 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 inciden+4ih:)ro1 woq ookje;t on a slit 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 center ) ookw;o ej1+oi:4 qrhof 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 0.3 cletv bd k/ ,*3kdje-8(ybgk200 mm. An observing screen is placed 2.00 m from the slit. Find theketgj(e*kvbdyc8/-2d b kl, 3 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 gratin8 *( in62xwcpsebh7cxg with 7000 lines per centimeter, its second ordersx pb(7ch *i 8c6ewn2x 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 between (z3yrozlw; t4 xm*.y ktmw0:ev9;eqrthe central maximum and the fourth order m:x rzy y ozmq(w3et.0vrwe49m;k t *l;aximum 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 e7b5ax2kn2r 7+2 ys na*iwseia grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum 5 xan2ne7+*7e wyssibriak 22is 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 produces a first-q ,l)c: iusl,border maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produls q:ilu,, )cbces 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. spj:3r5jy ry o.9s*udf3j3llWhat 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 ofs.yrj9j : ou3jp r*s3y5ldlf3 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 p fv+b6eg7j (za grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) app( +gf7p vjebz6ear 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-order max4 u fgivz;f7/hm7zrk/i2kv ,kimum of; ,k/z7uk vrh/2imkfi74z v gccurs 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 incd6mg gq;)epw:l5;w rz4fd ct,ident normally on a grating. If the t6w dg,d4z:;gft;mc )el 5 wqrphird-order 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 50aatrl -g49i2r9rtb/ g nm 7h)b0 nm is incident normally on a grating. If the third-order maximu9b /2 -9bt4hrr mlagarn)7t igm 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 facv0w l/.tiu i 0p/vp/rom another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart arepw/a0/ vvl0 pui/ cti. 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. What minimum thickness of th7kmr i56-xj pais bubble will ensure maximum reflectance of normally incident 530 nm wavrjp 6k mai5-7xelength 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 soabj;vzkn7o+x4g,b (xss dt8*vdur u* *p film ( n = 1.33). What is the minimjux8ovv*br 4+ d( g7b d;*szsn x*u,tkum thickness 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 thicky: ;grg8rkvqe/)eud.ness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavele 8grg;e.qu /k evr:y)dngth 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 inten(pcz8+f3 h.ex7nxdn *uy , imhsity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its refer u ,yz3mi87*fh h ep.(xnxc+dnred 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 rkh (8t ftb2j7wotated $30^{\circ}$ 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 at c.1trh k(df)san angle of r.h)(k sf1ctd $57.3^{\circ}$. 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-analyzbc +6/ b3td3hro,s vjver combination. The transmission axes of the polarizer and the analyzct3,vb/j vboshd+r 36 er 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 reflected in calmp:-vi 3 .on/ 0)h2bsksvieoixdz a)6a water is completely polarize-2.s)0kxenhaiod3 6 pobs)izv a:v/id?

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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 polariz s g;i21,(ryfjx fzm (8jbr+vy9iouw)er and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of th+(wx2bu gz ;,sy irj8mfyj(fi1orv9)e 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 offw p-zzk zp;s74 a piece of glass of index o7wzkzp4p- s z;f refraction 1.48?

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