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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: 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 principl ali7imn(6 s q1tmtyrq* cyar.6*20f qe.
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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 stall :6mjw3-z5zo zml y+sk 3jn+tement?

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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 atv64 ilpajk0 k+pu1j m7;-axud tributed 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 tjl 0t(d2ssvn .mkcu/i i(e 85ao

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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 intota ;wi 0wp3+gwru5a.fl; e bm8 a medium 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 (wavelisk*ih -g18i* wo hcm)f)p+oz ength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), izwioc)oh-is i* *kgfp)8 h+ 1mts 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), originallks (rws4u 0hg*y traveling in air, enters a piece of glass (index of refraction 1.50), its wavelw (u0*rh4sgks ength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is resp+qn757ycxn lwxhq, c4 onsible for light spreading as it passes through a narrow sql47n+5w7 cnqyh xcx,lit?

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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 br. zjy9vx/5vyc8k5j e v s/a+0h i8dtiy large objects such as buildings, whereas light is not noticeably diffryh/dv5 5vkr 9+z0 c8.vejxi jsa8iyt/acted. 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 f kz;3r6et +wjmor alternating light and dark bands when light paw6; z+rm3ek jtsses 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 ifxi*9bg;c 1/apw tzq1f 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 scwra 5rm 3,hsn6reen are in phase with each other?wr3n6 ashm,r5

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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 arr(yy.1f *kqfs riving at point P. If the maximum constructive interf1yk.rqs*( fyf erence 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 poin.r0k 9 .eravaps0qr /mvt98n t7j7ps kt P. If the maximum destructive interference is to o.9s/9rmskqvt7v .kpn 0j pr8rata0e 7ccur 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 double-slit jm4po9r:kql )ak 2*-rqtrr. t experiment,q-49jpka2t oq*m.rl) rr:krt 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 cenu;)b5cbj *iems,,omm tral bright spot in a double-slit experiment, lightobms,ub5jm,*) i;mce from each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central jdmrfg1dmui4pj(m(61a,qd.3 c ,ak v bright spot in a double-slit experiment, lijcuamgqmvpaf r 1dk(d,4.(j m 36,i1 dght from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between tk1h;k)i 9wip ;3qtq mcke8o+the slits decreases, whapime ck k9h8qk)qt; tio1; +w3t 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 experiment, it is observectj. zuy+sb1sv/ wdg+ipcu1f ;.9;ild that the distance between adjacent maxima on a remote screen is 1.0 cm. What happen+ti .zdsgus/ y1 vf.c j;p+ ;lcwbu9i1s 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 pat6fb; pwa 4mu1oh $P_1$ 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 arrict on)on;/5dnyeiu. ; ves at a point on the screen one-half wavelength behind the wave from the other slit, which is obeyn/5cn nt d.o;ui;)oserved at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fringe77v3x mdhz8al s in a double-slit experiment if the separation of the slits is less than the wavelength of the limda 3vl 787xzhght 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-sli zx* dn zft6 p4.a2sob2tnd6k8l4q0 dwt interference pattern using monoc6lqndw*nt 0xpfs4a odz kb28 2zt4d6 .hromatic 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 5gt*691w * yzsnah mlji 8nw5kseparates white light into different cotn l8 *aiysk55h1nzg* jm6ww 9lors 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 ac 2)etntut1/;hohh rey4 e-,g 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 )d emy/q53fkti6h/ i3e9wnwa than 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 slightlk5gggsfsz1 js5 :p(:tff5 2 bcy 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 greal s+j6)pjyv t1test refraction when passing from air to gl1+tjyv ljsp)6 ass?

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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 s7hnl v)g 0eg5n3gx h,1qeah ,undergoes the smallest refraction when passing from air to glq 5a sx),7nhne,gg v0lhg eh31ass?

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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 plaxo: wwtfo7e mvvy7v d0e:a j62t *.1vvte with parallel sides, at an aowyew2 foe v: xt0v6 jvta *7v:1d.7mvngle 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 nnchsp+dxk.7(2dxb c7id/ n5 holds up two fingers, with a very npd/s(xn i27bck7xd5.+ d cnh small gap between them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experrq - y:s ye)8 i4j*czug,s4htziment, if the width of the slit increases, what happent q4rs4c 8:ugzh )-yze i,sy*js to the width of the central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines p8m y 9agjvkf+4ff6c k2er cm and the other one has 6000 lines p kffa89+mf2v6 kgjcy 4er cm. 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 same slit separation, the onlv-ql3i:j4el8ti ,f1pulz1e -nyr t 1hy 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, my e itjve4zqf,l1ntip--:1 83lul r h1ake 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 by re8w+2fv ; rtcpquiqh:1flection 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-z9e +u +auwm a7al-qd waves can interfere constructively or destructiuw+ula+mq7d9 -a z-e avely, 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, stri mbs 9jz )*xc8.wxf+)sk fam7vkes an air boundary, there i *k)a8vms9m 7)zfxfswc xj+.b s

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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 byh qd;eh1b7vn2 a glass surface7nvh2ed1bq; h , there is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in w,o efow j(j) b y*sf.,)th*v,a:cjl kmhite light. As the film becomes very much thinner than the wavelength of blue light, the f)w ljebf *tacj ,* jh,,o:mo (v.y)skfilm

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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 hzg:g- q/ur (mj*k(8,shoz xfmagnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to thjshqz-*, gfr/8kh :mg ou(( zxat 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 o,m5mv svouj,8wf3 yvj9me 9g/n a flat glass plate and illuminated from above with monochromatic red light. When viewed f3,vom8 sueyg 9fvj9m 5jm,wv/rom 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 7bh3uaxq)*y1g k0s enfact that certain sunglasses can reduce glare frox e g)a17n0*hsbq3kyum 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 polarization is defined97 4e4di s,xgtlqnemm5 0,bver ne:w+ 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 makj5j7lk+ 0(u 6wstxfaterial like a Polaroi tk(s7fka ljx56ju w+0d 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 firap7 pk +;q(cclms are perpendicular to each other,r ;k (c+apqcp7 what is the percentage of the incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surfauc4-ta z3w1:rma d9px ce 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 cqvoo 843q/* bu;mn *us)htpr is greatest at

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the followinhp c47( nspmnm k:g/b;g 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 appe 5kr-g1yim ld*ars to be more blue toward the zenith (overhead) than it does toward the horiz*mdg-1ki5ry l on. 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, whichvld;kyx by52nha3m6m sy*9blf3y r/+ has an index of refraction of 1.50. W5 vds2 xb6y *k+yyhrb9m/mll3a; 3n fyhat 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 p+ e9,3o)sm0,5+ggnspmdlo o+jjm s ;ru0p zqtasses into glass, which has an index of refracsrto, ; +3,ojq0+ gps0+nd9pmgeo ujl5m)mz s tion of 1.50. 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 vacuum. It passo-x 9x ww;ibs)es into glass, which has an index of refraction of 1.50. What is the speed of the light in the glbo s9ixx;) ww-ass?

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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 tob1h8k t h6qm 5/pkcva4.q0vhbgvs 19 k travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to travelwd,u.zwobm*mmxt v b3vo6*-5 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 i.rw ls ujt3u/:al 75vms 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. Monochromatic light falls on theqx lm2l,2a4 m*mk0od vse slits, and produced v*0 2mxmk4l2al mqo,s a fifth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit and the third or2zl/131 ;5 qk/rhdnubdboybjder bright fringe is seen abu 5 /jb;1 3dz2yo b/khrlnd1qt 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 exonzg.t;h j8 u5s2 pd,rperiment, 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 s52 djgtpn.,zr; 8uoh 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 slzsx/:aac7k6 l*8h( u5nvbu slit 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. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with7n *u a(x5c:a l8/l uhssvz6kb 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. Monochromat w+0 ztqivynft889z .sic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjace9fizst8yz v+n qt.8w0nt interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's doubu.( cm icxny k+25hihqr)qug)7q + /aqle 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 betwe u.c2a+k7qmi cnh h5+ugyqr)/ i(q)x qen 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, strik7b4j h5 j)viqr*9 f8mrov )cubes a plain piece of glass at an angle of incidence of 60e. The 5j9rb u78om* )r)ib4vc vq fjhindex of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light:c: clnik+ 5ou;ytp6n (wavelength 480 nm) and red light (wavelength 670 nm) is inl un5tiyc+ pc o6n;::kcident 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 g-q7 x6kpn cg1single slit of width 0.20 mm. What is the angular width of thegp1cgk n-xq7 6 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 wavelenb8 v59zrj*xjwu9xekxzox2 .- x j fz34gth. What is the angular separation between the first two minima on either side5kvz.f-x rj9 zjxx2wzxx4 *9b3uje o8 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.;yz)aa -1 kugg/t(7 l8vjuc dg75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pa)ugj7/g;l g y - ku1a(dv8tazcttern 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 a0c9to+b bd cqcoip s96 :qqe6g6 )cw:nnd the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the q o w6ebc:inq9gq 6)b0:ts 96 cc+dpcocentral 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*m3abw;s2eq.rzbx t * . An observing screen is plamtq.3sb*aw;b*2rz xe ced 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 slit of widt05t30pe4 hi ebfuzi50o g.a yah 0.300 mm. An observing screen is placed 2.00 m from the slit. Find t0h0i bp0yeo3e455aug tfza . ihe 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 illuminatddg/cl .r/4wz 8q9z;o zfv*uces a grating with 7000 lines per centimeter, its second orderd/l;z/.8zfwd*q c9gc vo zr4u 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 pe nl sym8t1l/e*r cm. The angle between the central maximum and the fourth orysll n*/e8mt 1der 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(s n 05y;hdyk;/ k bjm,n3zfraey64it and ruled with 50,000 lines. The sedym y0 yi (n;rekfz3n/jbs;,ak56 4h tcond-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 waveled,m7gyad b( .zngth 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 centra(dzd a,.gbm 7yl 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 ce. e 5y jold(fd44xwp+untimeter 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 grating is illuminated with a beam of light of waveljd4 w+f5.4xu (pyed olength 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 spectrab/ k aa6r2iuo/l hues by a grating. If the grating has 2000 lines per centimeter, at wk/ur/ b6iaoa2 hat angle will red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to cai/ 0e9 b/dy bpr;cvuf.librate a grating. If the first-order maximum occurse bfp y d.ibu9r/0/cv; 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 inc7b0t *zi.bve6vj slw;ew ) *npident normally on a grating. If the third-order maximum of the diffraction pattee.t vlb6**w) sv07 zw;jp ebinrn 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 t:k; )pggix1c .oxy9bnormally on a grating. If theyx :xbg;ck.9oi)p g 1t third-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long 8)v ggf:13kau7rlnwr is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 3fg1k :)n7va wu8lrrg600 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. Wha r s0h4e8bs+on lf1gi:t minimum thickness of this bubble will ensure maximum r+foen s8: s0r1bl4gh ieflectance of normally incident 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 ifwc jd1b3ci:l(x ic j9gjl.+0lluminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is inclj.9jdicf:0blig1x3 c+( cw jident 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 filkb6rf4yui*, zuvy gje.o0 j+5 m coating (n = 1.30) on a glass lens (n,evuobf jky+56r .*u j0 zgyi4 = 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 in84aue1 vvzm7 j 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 direj zvum e1v87a4ction 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 itjcsmd,xkd8*t +c ; wtq x,ky02a9m1ids preferred 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 light in air strikes a flat piece oop j at+k yqv5+y+)u;if glass at an angle of q+ ku+pi;yoj5y atv+ )$57.3^{\circ}$. 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. The transmi97d.7ezb vvv3j 0inxission abn07d x.jv9ezi 73vvixes 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 eh.di (ey6o8hz w-jq8 Moon when its image reflected in calm water is completely polayhj .q8i8-hd6ez oe(wrized?

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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 th90 x tf)34ru)1 ppblnfys 7aevis process, t)ful 3xpte ) 90vaspy7r41fnbhe intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacu-u*jfi6nh 8 nmum and reflecting off a piece of glass of index of refracmui6 - fh*nn8jtion 1.48?

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