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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 principl4 s1nf9s.yfqgf .r7shjn)lo7e.
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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 jl2vv8 z)6nm;aideb1 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 light is at(t ,)kl f.fwsgrth/j: (lmz1 ptributed 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 attributed:v+;jo8 hr3hc7 ,j6blq weu tp s,7kjv 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 medium7c 1osq6w+3q d03 r lyhuu3dzv of different 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 inv.)bj; 5l4gql se-ep v air, enters a piece of glass (index of refraction 1.50), its frequency 5veb4vgpel; l).-sjq

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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), originally tig ,:a;nao 6 wiq-pq6eraveling in air, enters a piece of glas-:;a iqq6 wa pon6ge,is (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 srch ztx2dr(5 0n vq *+wyeu,8npreading as it passes through a narrow slih02 5(d, cqz+yun revrn*wtx 8t?

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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, whereas light .+lwri ,/p tbbis not noticeably diffracted. Why is thib+t,wl. /birps?

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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 ligl3f s n.r2cii,ht and dark bands when light passes thro f,i.r23s licnugh 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 coherenu 2/cv h8rw5kz- 3mtfot 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 a sc59(; mj0dn. u6wqls 9yvntghs reen are in phase with each ot uwjm509nvq(6ns . t gh9;ldsyher?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherentila+xg8dimrm-ti7 cb03pka:3e q : /cy0 *unu light travel different paths arriving at point P. If the maximum constructive interference is to occur at0qtxlkc-pb:iu03 ud3 cn7iir a+ 8:ygem/ m*a 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 a:0 (0bbstph1u/ljoi5e.o fg5hhy d3 s rriving at point P. If the maximum destructive interference is to occur at polj35sgd h( y5uhso0b.eh/o1t fp:0b iint 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 spotdbp3y(9yvr j* in a double-slit experiment, light fr3 (9*ypvb dryjom 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 ppe)mzr)(a 9oqd9v.heither side of the central bright spot in a double-slit experiment, light from each)er zom9( dpqh .a9pv) opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spot in a d*0kqv;3a8j1 pdsw)wrc md w z.ouble-slit experiment, light frq0;3a wkvp8*wc wd) djz.1smrom

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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 th :uy(v1qpdkrw5v;6zvq 5y fe3 e slits decreases, what happens to the distance be5vufe(;zv v63 wr:5y dyk 1qqptween 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 dw s ho:rrv8o*( a0oz xyy0h-5adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacen- osh r: oa(y dzrx0w5ovy*80ht 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 /wt hjw479zl(qafi p8;lamw; light 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 ss y)k1uu2 9n4ff gfc*ea 77bfmlit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed ats nug eubkf ma9247 )fffc71y* 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 2 gfb)hh(a bkiu*+n 3 ljm15ddin a double-slit experiment if the separation of the slits is less tia dd u2g3h+h5 n(kj*mf1)bblhan 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 interfuj)divn;,tb , erence pattern using uivnd b ;t),,jmonochromatic 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 ligl9 0ei;qmkmn*vs z5 m,ht into different coisz0*v9e,5;lkq mmm nlors 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 foritvr6 b4lwykx,+)m/ xg/6modm 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 u0sdfs o9; r*x rruq9a,4giz8400 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 750 nm is whw6 )j e(eou7 wbc47ds-:ag ucalled

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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 underg z0enoh/a4 v9.utg.w0 x51qx vskn+kwoes the greatest refraction when passing from air to glkasv e+40 u zq/.w .nhoxwx v0gn15kt9ass?

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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 refractiod*3o nkz(:i2w ul-m /bzm -bwcy) +-zwwrz8z gn when passing from air to gla )dbwk:yzz-lc(/ *zz3nu m-m-+ww 8rbow2z giss?

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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 withbl0a r8 ;/m3b3cs j-aftkulq; parallel sides, at / ;qlckm; 3 0b8rl-s3taujbafan angle between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a ved5.kk )k/9 k kflkozghy))e (dry distant light source. If she now holds up two fingers, with a very small gap between them, and looks()9 hyk ldkofzd 5.k)k/kek)g 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 experim ,/i; r 1jn;yxk9b1 cu6mjdjqeent, if the width of the slit increases, what happens to the width of the centryjur;j1bmikj1c6 e,;qx n9 /dal 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 diffract c.sxf58t3vgmkm5kx) ion gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a sts )35ft 8mxck5kgxv.matement 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 diffractk5*id4mm fmoo,: p4 ujion gratings with the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illum4m o5 fm *uk,m4iod:jpinated 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 slick are caused bn7 ut256,vgp( sq lmzay 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 monochromatv/if yd9d -ar5tax 2t5ic light waves can interfere constructively or destructively, depending on their phase difference. One consequence of this phenom5dv- tdyiat5fx/a r 92enon 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, th5;lt*9 j l+5nblide kher+ek9n5l j lh*db;i5 lte 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 in air, is reflected by a glass surface+ 8yj :95oudfu+ w7g)eootltx, t 7)j w xtloey fu5ug8+o9d+:othere 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 y 8xr*r eyr+ p(ys,xo,light. As the film becomes very much thinner than the wavelength of blue light, 8s y*eyr(xorypr +,,xthe 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 wavel8hegw kfq3e7+3 d 89e jndzhs 7vp)kq-ength of 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 wavelengtk7s8qfvpn hj7e-q e 3k) 39dwhdez g8+h? (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 flatd5fn4:/niz)/ ddw*uet 0dqt r 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 e 0nnwrddzitu d5/ 4q/):*tfdat 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 rey+fa, ympnq* d2(fa3h94lwqibn +v i8sponsible for the fact that certain sunglasses can reduce glare frhbqm i i dp8aaq*2+fw3y4( 9nn,vy+lf om 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 m)6p bk. j3zkvdirection 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 obtaix a4yk4npi60 uatb(( currwk4.l ;3vin polarized light in a dichroic material like a Polaroiva436(n r4uu0li.xrw4cakpy( i;k tbd 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 fizo0i,hurwufk2 wjjt. /bk4 03lms are perpendicular to each other, what is the percentage of the incident lighrw020uok t kwz., ju ijhf3/b4t 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 fsp1jj-d kq 1qko+k7q/ rom the 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 sunlight is greatest 9ce/swe d9 7nib tia 1)u(**vcj aj;ha b+unt;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 exhiqbt)ylb. sa4: t4wv3 dbited?

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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 (overhead) th i9k *cpefk,97o 3vpd4agkj(ean it does towardk4 3*k9c7gv pj9o(pd,f eeiak 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 into glass, whichnan xwvv2t7 lal(rz)l98 : a.c has an index of refraction of 1.50. What is th8nvla.r 9z w :v(alac)x72nl te 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 600o qd28aks+9 eh 5x rh(ohhw5r+ nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light insi+rxh5(2sqdh k o+o9h5 hwa8rede 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 glb;pj,8pxq u pv0vdm+5 ass, which has an index of refraction of 1.50. What ipxmpu5 q+j, d 0p8;bvvs 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 trag0i fgg/ztf3)ec(pj km- :* ryvel 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 n5yh5*cg *,;cblaeg lto 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 55k2bo mv(n 33wf0 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. Mon+;;r el(t-(ah y*flibfdf k(iochromatic light falls on these slits, and produces a fifth order interference fringe at an ly ah;- elf dtkr((;*i(f ib+fangle 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-idp o,7,j fs1nslit and the third order bright fringe is seen at an anglni,1pf7j ,d soe 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 experimentxm0xahv 3+fa 1, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing +xa 1xm3 fh0avbetween 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 separati53fvpzv/ gb n2;ex8 p(dr s4pjon is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slije2sd3g8pnfzr (;b x54v /vppts. 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. Monochromatic light of wavelecg rvbl u06g9*ngth 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fring 9gbu*rg l60vces?

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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 sli6. cjl1nf qlvw*pck h1h 4:s1gk,hf/it setup that has a slit separation of 30.0 mm. The resultant bright f 1.shw1/4j,*qkcg ikh ff6phv :l1ncl ringe separation is 2.15 cm on 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 wavelengths, 480 nm and 700 nm, strikeebcp/wrryz mj - 5e0j.yt6cmz/:7 u i*s a plain piece of glass at an angle of incidence of 60e. The index of refraction of tj5-m076e uzbry. iyt* rmjc ez/w/:cphe 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 480 nm) and red light (wapt086kdl qh db+7rwt .velength 670 nm) is incident on a thick pie.q7 0dbl+t8d rhw6t kpce 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 aquzr m /4:yw5jk;2g c)umbl3e single slit of width 0.20 mm. What is the angular width of the central diffzqg/bm: 3k) 2y;erwu mc5j ul4raction 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:i wf8vz5 vbm s1hh-n, 550 nm wavelength. What is the angular separation between the fi 81bvv : wifs,z-mnh5hrst 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 singll2w51 lvwtxdh z.87o fe slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffx7low1hv52d.t z 8wlfraction 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 ty91cj +cu4yi che diffraction pattern is produced on a screen that is 1.5 m from the slit. yic1cu4jcy 9+ 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. *d dy *vcsec)bp3u./2ax trq /An observing screen is placed 2.00 m from the slit. Find the position of the first order d2s/v d* qc*.ax 3yt/brpuec)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 slit of wi.enst*z7)9 2 dsoprhoti .nz5dth 0.300 mm. An observing screen is placed 2.00 m fr othn.7r. 9npzse* z5td2)s oiom the slit. Find 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 bu6r 5l2b4)):vnm 7ifdxot k swith 7000 lines per centimeter, its second order maximum is d k57x lb rt2ibfo )s)v4m:6unat $62.4^{\circ}$. 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 betweenqmm-v.-p iz us8-wlo. the central maximum -..quwo8p-s mlm -vziand the fourth 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 gratinmxr d7tf ;l/u2g that is 75 mm wide and ruled with 50,000 line7trfu; m dx/l2s. 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 produn f9;pliz h4ma2a+8 nw 2slw,fces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second mo;aipf+ n s29lfahmnl24w,8w znochromatic source 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 /vphs8 vud82hper centimeter ruled on it. What is the angular separation between the second and the third 8 u2hvdp s/8vhorders 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 spectralg3n;zkre, m2xd; r u4v hues by a grating. If the grating has 2000 lines per centimeter, at what angle wvzmrd3; ; n ,ekur2gx4ill 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 the ;*x*w8tdrxw*9 vxq fnfirst-order maxif *t**w8wxx 9drnvx q;mum occurs 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 w4u ) doi.on0y0 xt5fjgavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction patterg.o)tj0ufx4oid0 n 5 yn 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 incident normally on a grating. gl.w0 t;hz r-kIf the third-order maximum of the drt.kl -g;0wzh iffraction 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 q :yb6xcb- kra0uq6t6glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How fac-aq 6yurkbtx0b:6q 6r 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. What minimum thickness of 9ejpl -c0,j1 zethlga38 8 1nrbhr)dzthis bubble will ensure maximum reflectance of normally incide3rld0nrj,-1 ) etblgj898eczhp 1h aznt 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). What is w 2kev0bbj-a9the minimum thickness of film that w0j9b v-bk 2eawill 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 = 1s/nbe 4qz1 1gj.30) on a glass lens (/1njqg z4bs1e 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 i7oqk:s . x yt*+yexar9uo g3zyq2.fz 7s placed in a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rf7as +ux.y93oyq *zez27rkxt y.q:g ootated $40^{\circ}$ 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 prey m 3,,flfwpe 6ky87cdferred direction 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 lighropa)y28g eq4 n iwx3.t in air strikes a flat piece of glass at an angle of wogr i2 8ayq4nx3.)pe $57.3^{\circ}$. 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 isj4r2d , kkoua8 passed through a polarizer-analyzer combination. The transmission ax 82,oka 4jrkdues of the polarizer and the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its 6yw al9qgnqdy :z*i lx;l0x9m 8/ey* pimage reflected in calm water is completely polaril/ezgpy*yqql8 y0l9*9:x i6;a dmx nwzed?

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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 procesg(:vs dtqw):cs, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. Wh (qgwsvd ::)ctat 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 refl-uafw f4yn2*)m dfl ztrb6p ;0ecting off a piece of glass of index of refraction bard62-wf y ; mp4tnfl)*z0uf 1.48?

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