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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 principlb+ t7ex4hs nx.e.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is j 0eha-.ehp 9ta 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 light is a5yjdp.5 v qbj5k )bvj5o8qk)z ttributed 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 r+bh, p7zoo4tp*s4dqo+ y-npattributed 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 denshr pn1- 0.b 2qvh n5it*jm.*si hdqrs8ity,

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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)p5*+a)c jj.xjk1zcy z , originally traveling in air, enters a piece of glass (index of refraction 1.50), its fr1pc)kzj.cj z +yx *5ajequency

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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 qpi +n4z7x mswiv6e*0= 590 nm), originally traveling in air, enters a piece of glass (index of i4z 7* vxs+6mwpq ie0nrefraction 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 gw9e9: h(gmt wpasses through a narrow sli g:wge9(hmw 9tt?

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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 buildm-4f9vxe d 1gxings, whereas light is not noticv4ex gm9fdx1- eably diffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating gc6dmoe-:; 5mzkj3tglight and dark bands when light passes through t-k 6 m:mgozgt3;cjed 5wo 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 coherenab, ( ohdh+rt*c 7ygr77uec3 mt if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say that two light rays striking an4jj 7i,098ie cw uvug screen are in phase with each otheriu9,wji7 n4e uc08vjg?

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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 differ cg8 h cee54s-au5kkvy0 ;1wrt/awj/eent paths arriving at point P. If the maximum constructive integ 8- 104heca ak/vj5ec/5yw;rukt swe rference 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 ar.bh0 (phbga4n riving at point P. If the maxba.ghh nbp(40 imum destructive interference 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 bright spot in a lyiygwlua/ ;u/3iq- + double-slit experiment, 3+gyu/auy;iqw/ l -il light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the centra2ajq iy *ssm3vs;/q3rl(p60su7hp usl bright spot in a double-slit expe*0pi3/a3 mq2s uvr7jssyss6 lu;(h pq riment, 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 oo)f,-hcs n*hu2 hux)v n either side of the central bright spot in a double-slit experiment, lightsfh* vuh)-x)hu n, c2o 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 exz ) gf;xj w/( i)yvcfhaq30djm//, xaiperiment, if the separation between the slits decreasev z/ja/q gmadcyji)ix (hf /3,;)0xfws, what happens 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 experip9ecq 4fy;zs9ment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cp qcys;f 49e9zut 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 pd/w()us u6 ;bl) cppjvh2kos .ath $P_1$ 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 exp2 4 jfhbgjlme)0;z4jmeriment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed agme42h;j 0)jjzb 4m lft 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 frt0pboo5+nzt5 ll* *akinges in a double-slit experiment if the stb**lk5o0 o5+ alnzpteparation 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 adj1cdrn wiq,y8 a3805tfmrb 5ga5 ap jp9acent maxima in a double-slit interference pattern using monochrom dcp t5g9j15,03 frpi 8wm8baqyn5araatic 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 wyn17j mpp0+ /py ii 3xxuv2ya0hy a prism separates white light into different coloypi /ayp0xvnjui0 73 py2+m x1rs 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 topw*2n:vvk -waexkk 9; 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 to6pkh e:* vms.han 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 75170+kcv,k g8p rqyq6 g zjq ,b ,(dak2igt:ckw0 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 refractln )2 xu ;9 pqg s2,/w6rm (p*ghrha/gisay6adion when passing from air to y,2p)6gna q6d ms(gh92/s l;pgwxaihr a*r/ uglass?

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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 passitx6q;*cs47o(mc1g uo 2xa xk xng from air to glass?c2( 4 oxxx 6g1uq ;xck7stoam*

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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 wgx(d 0wm-t,)nddw ) geith parallel sides, at an angl )(dwe0 )gwxn m-,tgdde 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 holds3pb mckr w80 wo5t9gt7 up two fingers, with a very small gap between them, and looks at the light sourctw7gw 0k5p9 rtmo 8cb3e, 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 diffrjkkwl06v ( ,s 7ogombe/zz1d9action experiment, if the width of the slit increases, what happens to the width of the centramk6v9 /gs0z ob,dwe(l1z kj7ol 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 bkgb xmp6yg6) 1o1nif s c +vow(,ov+1gratings; one has 4000 lines per cm and the other one has 6000 lines per cms11ovp)c, (bgymbng1+ xiv 6+o6 kofw. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the syg;wt7jj: 4qsdgw+b 1 ame slit separation, the only difference being that one grating has 3 slits and the other 4 sl yd1 47wgjwg :t;jbsq+its. If both gratings are illuminated with a 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 slic1wp8jg yk l6i9:y.e uok 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 interfere )u9 uj )wbw2foconstructively or destructively, depending on their phase difference. One consequence of this phenom)uj 2 )bfwwou9enon 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 an air boundary, ths+j8d t*d:hb jerjt jbd8s+:h d*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, which is traveling nfcjx+z + -hg7el5dxp 3u )f/bin air, is reflected by a glass surface, thu+p dcbnf-f )xhz5j7/+lx 3 geere is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film becobcz pc:cm 0*4zmes very much thinner than the wavele4m0zccpcb z: *ngth 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 ofus7 n/gs3m:zi light in magnesium 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 wavelen :sn 7ziu/g3msgth? (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 illuminia l18okv8 svvm.5k 0khi)f;hated from above with monochromatic red light. When viewed from above, concentric bandsa s;v 188mivkv.ol)fhi0kh 5k 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 responh6.z 5zobw)7vbjkd- zsible for the fact that certain sunglasses can reduce glare from reflec.hdwz-zb bok5j7 6)vzted 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 di3rf x q uj1q8ws/k rykb2px857rection 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 dif 1 s/:lzy 9xj8pgh9xh)9,fuhbj)vaz chroic material like a Polaroidb )h afxzx891)vh:u lfs/ghpj , j9z9y 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 ph ,tianu bx- t/pw/7(x1 iw67kywq1lq erpendicular to each other, what is the percentage of the wx6ii/y7n/ ,-w(kbupa 1xqtq7lw 1ht 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 sur;wmq hn9g1x0i+kbh 7 , vxhu(hface of a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is greatest a oij;bz-c)bx m 3ni)-gt

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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 eaaom/1,r i a,ymjtj69xhibited?

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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 (overheam jp cwoz1dx14g1/m.zd) than it does tow14o z1 wgmm/x.djpzc1ard 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 vacuum. It passes in8cd7azo i o1t ,1zl;xoto glass, which has an index of refraction of 1.50. What is the wavelengthtl1a;zioco7d 8x,1z o 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. gmx,, epnzmv u7-wu5x61r7sy It passes into glass, which has an index of refraction of 1.50. 6m s7 xgruuzwnme1-, xyvp7 ,5 What 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 va,dwpct/; wi xq3e/a ;vcuum. It passes into glass, which has an index of refraction of 1.5aw3//iq ,;xpd w;t cev0. 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 found to trk 5ay:s8ugy h,59(xaalkjp6aavel 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 ty-mn -jm-a g hmfr98l7ravel 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 kvcmzxsz95*u v9 5 :zpis 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.sihu i (pu * f4/bf+cdzblf*;000 mm apart. Monochromatic light falls on these slits, and produces a fifth order interference fringe at an angl fff u*dc+/4phsiz;0ibl*u(b e 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 fawif)/ a,c k-holls on a double-slit and the third order bright fringe is seen at anc),hiaow f/-k 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 separi x:04qkcq2a oation between the two slits is 0.050 mm and the distance from the slitqqk ic:o4a2x0s 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 sexa 6 lx mjj.0t5o.6mikparation is 2.0 mm, and two wavelengths, 750 nm and 90 xiltj6mxaj560km..o0 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a 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.kh os *428nlrp z)8 jj+ebbgh- Monochromatic light of wavelength 634 nm falls on the slits. If there is a scre8)oz2rb hkepnh* l-g 4 s8jj+ben 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 0 fh 3sic42oq4o s.dfqYoung's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm ohd 4.iqs0qf23 csf o4on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two nddiglpz+6omwfoqe z( ks+ 48)181vt wavelengths, 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. D qs1(lvgztz1e68+md8fd o4 i+)wopk netermine 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 (wavelengmu*c ii3gwvk5,or. ykhd /0qd2 jf8d; th 480 nm) and red light (wavelength 670 nm) is incident on a thich32mdo u*kiv5q0c; ./fi,jdy rdwk8gk 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 mkjum)sns /j4yll-j 2xudd94*sj2f2a single slit of width 0.20 mm. What is the angular width of the ces-4/ml us)2mjxj*n92dd kyfus4 j lj2 ntral 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 0.0f kca09p t. bsbnb gix u:;0lb+g/05op,tjey650 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either:t abb;x,p y0l/60 b+efj i9nog 5bpc.sg0kut 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 singljh4e f q)v+ce;e slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffrae)e fq+;j 4hcvction 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 anm )ql vofz) h2kg kyd6ko(/0qohg87, ud the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is tq8f)dogkv0u,kk )hyho(l2/m 6oz qg 7he 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 incidetbc28h.hae pvv5,t y +(;kr kfnt 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 of ehk 5v, tk8th+;2p yf.v cab(rthe 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 ,dp*b*mx.gs nis incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of thepn,gbx*d s*m . 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 lines pw;mra6du-qud w z.5kv 1xgyls2,1gw5 er centimeter, its second order maximum is at5 u dld-kw,w.wygq;gzv2 5mrx1 a1 s6u $62.4^{\circ}$. 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 central maxi qx+a 0 ca9mzhn yiji)mn6-o:+mum and the fourth order maxim9y0z mi-:x qiao c+)n nmj+6ahum 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 wide11py;n kzo/ff and ruled with 50,000 lines. The se;k/fn1oyp z1f cond-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 w)5)*npdxugxen4 pib (i 62jvvavelength 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 wpvuivbnj5()2i)4 g*de px6n xhen 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 lin8 ;u1jyyrc*yu8zrl 1 z1 .prppes 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 gratinu*y1r zlyj18pu. pr; 8 1cyrpzg is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. If the gratigtpchq+7 q;l/6itj *0ofc ne d 3b/a(nng has 2000 lines per centimeter, at what angle will red li0 6 +tongb*anq(cejfpl/t/dh 7ciq;3 ght (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 nr+hu8 mehr*: ix:g*5aua gpp ct56)qkm) is used to calibrate a grating. If the first-order maximum oche8 ig g5)ta r::uap mxq*hp *56kurc+curs 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 incideqy3;m2x. oav f9u+ wx,zra .oynt normally on a grating. If the third-ordx3u ,. ;x+rmwyaov9y qfz 2oa.er 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 o,xg (:t6 p;jj9ugnqiaf wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffrat:(juxjniq;g g, p69action 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 glass : 7xq/mdi;: fw*goovicki /n (plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are thc(x: /* ;od/ gi7ionimk :vfqwe 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 refractio jtwk g6-k6/bxn of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wav-/tb6jxkgw6k elength 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 55w4u(mv 5+iks, f-kd yg9h pti00 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normally on swdvf( hpii+m9ukk4 t5gy5 ,-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 nonre6hvui4ms7ndhkl1(h e (,/h ri flecting film coating (n = 1.30) on a glass len17, mkn4 ei vh(u6rsldh (/hihs (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 a beam of unpolarized light and the inten 9 i:wzvwq d4.v,e+zhlsity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotalv+dzw, zh. :qw49ve ited $40^{\circ}$ 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 rotated qf; h1.iii(jh$30^{\circ}$ 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 an an3xd26 keie9elgle of ilx 9ed6k ee23$57.3^{\circ}$. 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 v5brz l07 9kj eb6kf6nlw+9/clm1mvypolarizer-analyzer combination. The transmission axes of the polarizewzb rjmml k76l9 /ny6e+0cfk1vl 9b5v r 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 j;)5yfvi sf0j*jqw3i when its image reflected in calm water is completely pof ji3viqwf; *5sjj )0ylarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an analyzer. In this wwq(s8 3ilqs.ruh96ble8v 1mgr7 nr :process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle betwee1 :qinrw8q9 l8h(sg3ur. rw 7blm vs6en 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 ltyav3crb-g w5xse p/88 adf 86ight traveling in vacuum and reflecting off a piece of glass of index5rps6a-c3b8g8v8 t xe/ y wafd of refraction 1.48?

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