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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 principl- rn nwllb20 l6pk5jf/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 .x5vof /8facrsf x5o7a 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 c 6ier: 2-p*4piuzlieuh oq6px7+ i;wis attributed to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory ovq1x uz 7t8l7cnkwqz v-y 3(a,.7wlqbf light is attributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of df6m-9nr -qqsgifferent 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 in aiij7pz3+igrd-5 u -dzw+ sxzq8r, enters a piece of glass (index of7+wusd-+g -z53jipq zx 8d izr refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in air, ente:; qpsq/e)+r/mbf5b ewy -nffrs a piece of glass (index of refractinfbrwp 5:q-) + sb;fe/q/m efyon 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 a c rr,8piya)) :/d2+prem6 fzql6pawos it passes through a narrow sl6a,:p6dm+rp i) er/c aw8y fp2qolrz)it?

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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 bu; ueq 6iq ie:j(;qb*apildings, whereas light is not noticeably diffracted. Why is th ;a;*i u(q6qj:qipb eeis?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is resp -nk+ 8k)mz2i /)1htgi /eggyznb xhf+onsible for alternating light and dark bands when light passes through two or more narrg+yt bekh/ )xg/nik+i-z2n8h zm) f1g ow 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 arsyslbm /6t 5-d5bdu +oe said to be coherent 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; ar-t5 (9rdpuu5obbb screen are in phase with each o5b ar5ordtbp(b;u 9u- ther?

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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 mu2goe y.d5wu:ng y+8 the e+8ud o52g:ng. wuym ymaximum constructive interference is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths qej8 fw.tdtdgys2t;ff 7* *3xarriving at point P. If the maximum d*.j 3 fyqw; gtdfd8xst*f2t7 eestructive 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 double-sliygz6(ac 37z-qloh2wb t 5wqg3 t experiment, light from each opening arrives5 bwg 6tho23q azczlg (qy7w3-

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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 )* w4) 8wcaqr 7npetugon either side of the central bright spot in a double-slit experiment, light fc)8tp7w4ag)*qun ew r rom 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 r)rt*2e ll.0a4 iuhd neither side of the central bright spot in a double-slit expei)ndrlh l0e.4*2urtariment, 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 slit experimenx qxcs iy+:;2yvwbo94 qhy,z (t, if the separation between the slits decreases, what happens to the distance betweyo,wi q2 y9qzy(h;+bv 4s:x xcen 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 dik9s a2rkqak:t/0o- +ol 0qqhzb(m6y cstance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation la-09s6a byh( tq/q + 2zck rk:okqm0ois 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 patmhw; z+h, -,lo/,ycn3g dkhi d 0qgrn)h $P_1$ 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 dg brf*3+jo9w mueuif5-( r 5cyouble slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is ( u3uyb95*5+rg ofrjeiwm c-fobserved 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 frin9jtbxw; x.smhf:+. mf ges in a double-slit experiment if the separation of the slits9jxb+:; fmmw .thsf x. 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 adjacent maxima in a double-slit interference pat0m9qjj xxdzep6ym 1;-ru5h 32tjiycz( kw0 +ztern using monochromatic lighw6m50j3 k0h-e(y 2;rcpmxz z1jz+j quyxit 9 dt 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 expl9k( nsjm 15o6zoukdjjl-v1r 6ains why a prism separates white light into different colors isk6zool9nv(ud56 j1js-r kjm1

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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 rainb/**pn myvty)a ow 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 xxwj az-6 p;t89(2u0txlxk thshorter 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 slightly sxl /bc /p.oaxzin,*0 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 greatest refraction when passing from airpt ,- .2; s24vh 0eiveqqmlfzw to gqi .z2sq,w2efm ;- ve0 phtvl4lass?

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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 refra;zip (5g uoja41i*ngc v8dnx (ction when passing from air to d unpzngj1(5io gi cvx *(4a;8glass?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass plate with parallel sir:fx:z.m g, ;xzhpb7h des, at an angl.: ;,mh :pxbzzxg7hf re 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 ho/qx6x-a l3)y(pgs dd tlds up two fingers, with a very small gap between them, and looks at the light s sx /-gdx)y 6apt3ql(dource, 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 experiment, if the width ofj e zg)tz-p 2:x21dnwo the slit increases, what hap:n z gep-2zd 2wjot1)xpens 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 per cm and the other onel+m7f8ua+/v lr6v 4)nxz9(wbonsm sk has 6000 lines s o7+8n/4m abx6mn vuv9l+wz)slf( rkper 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 sep+wste bp2ml27aration, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illumin+l 2p mtbe27swated 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 by reflection and6 xvq .rh/8liu

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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 interfeff2w*ivp*kw( i bi.ex0h 4c3gre constructively or destructively, depending on their phase difference. One consequence pk2b*0 ive. iwf3c(fhgw*x i 4of 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 travelcjx9s 9hmzx:5 ing in glass, strikes an air boundary, there ijsc9 x:x9hmz5 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 - fsx8r .z:xo* v1-9exxguehqe 9qtw9 traveling in air, is reflected by a glass surface, t r1:8qzex-99sh .*ve9te f u-xxwxgoqhere 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-(ma3dxu 4fnpl tdprbn -*8t6 in white light. As the film becomes very much thinner than the wavelengthx pmt 36n*-rnbl(td apd8u-4 f of blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in magnesium fluoride, whaty3v/+t k)ctp k)i o.cmr7d-dj is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflepmc7tk t-+i3kod /))d y c.rjvcting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and ll)(;w-ban zj illuminated from above with monochromatic red light. When viewed from above, concentric bands of rew)-;j l(na bzld 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 fact that certain sungla03ixzh-+s akdo 7aw:asses can reduce glare fr- ohd:7akz 0w3a+ iasxom 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 ibsjv3pr9ajz 1::zd -l s 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 tot+swaz+i:e .m.m 5y orrr+a2z obtain polarized light in a dichroic material like a Polar 2 ri+etos5+ r.mzyw +zmra:.aoid 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 v:svx1.)l ;bfstk1z deach other, what is the percentage of the incident light which will pass tbxkzs v:ldf vs)1t.;1he 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 surfac5)e:2hzo foto dz: pr; jp(f6elqvvkp-0e/)h e 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 sunlign8nb ww(rh(z3ho 7i,5ls nv;h ht 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 following is diffraction NOT y69biodbi9gdqz bw 1,k0lm5)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 appearsywz1j d x a(ee* gjp 9k(kye/ea,x( n;fu)af44 to be more blue toward the zenith (overhead) than it does toward the horizon. This occurs beca1kw)efuk zya np4/ (eea ydgx9(4 a;xje,(j*fuse

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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 vacuumyk+fd 8s(; fyx. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the s+fky( ;d8yxf 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 ih2xk c:rl f3m-n a vacuum. It passes into glass, which has an index of refra fxk2r-:cmh3l ction 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 passes into goemfct ur8 jhe u*o4,,-v+-h xlass, which has an index of ref ,8mvtu-*4xr ufhho ,-+ej oecraction 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 vacuum is foej845eq cy0xlti7o*k und to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to)g+ n m5nxkxw*x yeq8/ 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 5ww1 s7do grz((2+krjq lx(fd 550 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. Monbmpw*+i+- e eu6xzg/pochromatic light falls on these slits, and produces a fifth order interference fringg/-6 ppb+zmx+wi u*eee 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 fallsowow fzt) 7tc91r.l k; on a double-slit and the third order bright fringe is o;wokzt9r7c1wf. lt) seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the tzh;3 k1*g pwwswo slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spaw*k;sg z w3p1hcing 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 sepawtr oo6 ial:vzp;yx-2)l e-k:ration 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 with a brigo-k2lx:ot6vzl) y:e apr-w;i ht 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 +wob fk)4 +7 haesgg+zo0, fmlzc9o7ymm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent inter7b40 omw9)lh ffa+ ,g+y7cgezokso+ z ference 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 iszh7s b1pkz,:j incident on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation p 7,:bhzj1sk zbetween 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 contai379zfw dn43n59pznb l- a xqgxning two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction o9x97zz5dw 3 gqal -b4nnp 3nfxf 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;m: i); oj/e0xma cqhp of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a cx0qpom;am i:eh;)/j 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 slit of widthkbgkz bukx2 0-vz)0-r 0.20 mm. What is the angular widrkv0) zz -g0bx2 ukbk-th 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 0.05w*d0tl:l i ndcp6qd4k-0hl o ;0 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the l d0*0dh:-wl qkd4nlcot6;p i first 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 0.75 mm wi9j 1v hhozvi1hc -0hptp+*j- wde. At what distance from the slit should a screen be placed if the second dark frjjv vt 1 i1w0h+-h-h*ppzcoh9 inge in the diffraction pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mmzol xe psw67i65q5 1xbe/ywx. wide and the diffraction pattern is produy5ex p/ewq ol76 w6 1.i5xxszbced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of:r jowub z--s) 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 jor-bz ws:)u- 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 l d+z6(vdip-vb9ywb7 width 0.300 mm. An observing screen is placed 2.00 m from the slit. w vi9 z bl+(vdyp6b-7dFind the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter,hn7 ca xj-naz t*soo1k2m3 2)h its second order maa)nh2hxtoc 7 2nmsz-1a3 j*ok ximum 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 hm1i1f6s .cs hncd6yw )as 5000 lines per cm. The angle between the central maximum and the fourth order maximum 1i cnss1fc6 wy) d.mh6is $47.2^{\circ}$. 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 iu6 9qnpwh+f3pal lc/ *s incident on a grating that is 75 mm wide and ruled with 50,000 lin hfq/ap c*6 p+lw9l3unes. 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 dgo y*8q28)hle2ttk mg6j, srof 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic s8hsjq,*)gl 82oyg t6 trdk em2ource 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 per centimeter ruled on it. W5yq qi(2k*.d1bi vq kohat is the angular separation between the second and the third orders on the same side of the central ordk 2ivdoi*5bqq1 q. k(yer 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 spectral hues bvc briq r6t(ue. s7y7jn5oh,qnls - 15m-sz w:y a grating. If the grating has 2000 lines per centi rt hc .qnjywevulrsn7-z 5 1o:s, iqm-s7(5b6meter, at what 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 calibrate a grating. If the first-order m,n4/xdcm0 ty maximum occurs a ,mnx40/tdmyct $20.5^{\circ}$, 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 incident na6zyqsj;opd ;l2zgn;rck 1.osg9664vit (taormally on a grating. If the2s6 ;; (4y9jlp1 gtodckgrz; v 6staoqnia6 z. third-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 500 nm is incident normally on a grati1ue wxwsuuo4s7 vg) -9ng. If the third-order maximum xg1us4 ve)7usuo-9ww 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 lontlvng9fe,) yve ,l;x0g is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apartentfv 0, l9v;,y)ex lg 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 of4p*8hm dcz d,o refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance oc d*8zodp4, hmf 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 illuminates a soap film ( n = 1.33). What is the m fixr mf h0q:z1qp.;y/inimum thickness;.zx /mfh:fiqqp 0yr1 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 thicknes xvxukmp j531lm*v.,qs of a nonreflecting film coating (n = 1.30) on a glass lens m,xkl*5um1 q.3v jpvx (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 odyhmyisx*6 3pz5j2 (bf unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the iyx*5hb3m(6 p2zydsj beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its pres, rm0)*ipxnrq*pe6 fbu 2 yd;ferred 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 strik8zwu:kn. (h sres a flat piece of glass at an angle of h w:krn(8sz .u$57.3^{\circ}$. 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 trn1l .x,9 tnwbh-vlq7zm ndo7)ansmission axeswnl7ontb1xh,q m-dzvl9n).7 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 image refleur qcxm. e+(lh*ifs qxa.;v,(cted in calm water is completely polarilr,(q exq. (; muvf*xsihc.a+zed?

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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 anectbabp5us(x 8/ t :5sd then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% /teu:pss a xb(c58t5b 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 e qqd qk)5v96rangle for light traveling in vacuum and reflecting off a piece of glass of index ofv6d k )qre9qq5 refraction 1.48?

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