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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 principln(ry5 j;ztu, wiwt, .fe.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followingo;.v7-gm rv t 1iwijg, 65dicm is 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 attribut4wbgy .g3ei 2ted 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 attribuld,at0qb m i;u;(u;coted 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 intyn;7+sw, jph jn 6zc7so 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 (wavelength = 590 nm), origik5z.v-lh6)zuh) /8 2mcd gm cycabh:rnally traveling in air, enters a piece of ghc zzkru/)-5l8hcbm ch) vd. ygm:2 6alass (index of 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 (wave 3v:cttq+5;clnk;ovbk ijjj km0 a,,*length = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wc3jjk;0 *nlq 5bc vk,omt,:;j t +akviavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsibl f :k ,itii;tnx1d+1u-s*loaie for light spreading as it passes through a narrow slit:*,+nxkutf1 ii-i1 il;t d sao?

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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 isrv8 ,taumv jc5+c;y4g guj0h7 not noticeably diffra j7v084vc+,amhy jcugr 5 g;tucted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and dar umy,tvfy3 k*)k bands when light passes through two or more nar)tuv ,ymk*y3f row 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 tog5jut han p5q2v37g(rc* ,rnr/)xd gc/ hh)gf 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 screen akjwbhem0na5)) uk q (xw;/fi uhe7) *cre in phase with eb;7 xfiae/5) k) u*w(huw)mek qncjh0ach other?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. If 26ju1r mt,35q zguxfhguq n8/ the maximum constructive ij6m5zq h2u8fg rx uq3g/n,1tunterference 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 differen/s yimv cap o+a9068yut paths arriving at point P. If the maximum destructivyv p6/9io0 s+8ayamcue 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 dm5 qf7 fdpbe+95my 84hcj xk6louble-slit experiment, light from each opening aejf8c5 bm+p d9l6f7 54qkymxhrrives

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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 thet rmet3 7v4*nvxusf3 f 2*mhi*2azi1j central bright spot in a double-slit experimeiu1j*vhttn fi2 exf*z3 4m 3m*av2s7rnt, light from each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central u g,onqqmv+7)mn y7kz g339 rmbright spot in a double-slit experiment, light froqm3)mmrg +, 9onqz gv773nyukm

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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 the slits decreg2*+qyx mpwr;a 8mr:bases, what happens to a8+:x*grrm;w qy2mb pthe 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 experimebh wo.jl))o9 ent, 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 c hjo wb.)9le)out 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 travv/: zkx*3:soa upknh 5td 1(soels 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 ofh vjk+ )tch ,(aalq;-d a Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed athc+ dq)(j lk; vaa-ht, 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 in a t*zr4b v tu(a.;7c g*n1hlqd udouble-slit experiment if the separation of the slits is less than the wavelength of 4 tuv(n*7grtz dal.ub q *;1chthe 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-slp,jzsbw45baz v1cd-m4upf9 ( it interference pattern using monochrof5z(4cs4wjzp, vm-a1p ubd9b matic 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 light into x.:m 2pws (y.sq 6axhgdifferent colq 6xgh2(m.psx .:ways ors 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 r7d i-hy8 t89h2phfc:*jnfgcc3l rneq6or/1z ainbow 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 than 4 kpr(roz;d/ 6acaqule, ph,/,00 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 sli;e )lh9 ubk0:vq.ogdc ghtly 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 passin29ql rjn v *cgs6y(l0ng from air to glas0nys9ln2gjq (c6rl*v s?

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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 v 4ywvs(jhny *gfd *vj)9s8 su d03.mve.jlg2undergoes the smallest refraction when passing from air to glasw2j *sdy. hsm vjj48fv0ye*3 .(dus)ngvglv9 s?

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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 *tqx y7wsxt 1r.l+k2s sides, at an angq*x kyrt lw x+712st.sle 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 verybskz(. wx vjg 5(ki;(d distant light source. If she now holds up two fingers, with a very small gap between the5v.w di jkk(( sgb(z;xm, 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 experiment, if the width of the sl / zooui*1;glx)tz k0qit increases, what happens to the width of the central maximum on i q zu;/)koxol*zgt01 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 one3g x3 dyiz+ x;eh4h0eru+ dl*qg5pfo+ cjtv+ 1 has 6000 lines per cm. Make a statement comparing the dispersion of the two gratinpc1 d *3x rifhhg ez5;3+x4+jqd0t+yovulge+gs.

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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 wit0n oy0i;50euuoq 4 majh the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of theq;ou0m5an io yjeu04 0 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 fgdu,, 6x)qnne 4*vqk 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 constructive56 woxe9jjk 1bipl8i0ly or destructively, depending on their phase dif9lp xejwbkii08 oj5 61ference. One consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes an air boundary, theu7inm+ hv 2fl ulk:3z)ruklv+f)z2:3 n7 lhium 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 in air, is re, 18y gg4t8:h5;vh xwr9ltlb l(dnu03n fmogdflected by a glass surface, there i80l ytg1,95gudfm4 r b xn(w3;ht lhn:dov8lgs

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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 becomes very much tmq sb+ci2; 9av (ncon1*ex9f zhinner 1qn*9o2 v(cabe+mz9n i s; cxfthan the wavelength 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, what is the minimum f2/idzm8tm h + 39zqmhthickness of magnesium fluoride coating that must be applied to a glass le9m /t+8ihf q23mzhmzdns to make it non-reflecting 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 flav fk0glvt; +p6t glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What dof glv6t0kv+;p es 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 sunglasses can reducogd eb8 il;bj*kl,27ze glare from ref z,;bblo8e2* 7lidjkglected 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 direct.)w()gv+ lj10utm o*hfzare4 f1nlo wion 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 dichroic material like a Polf 1,gicj)bcr l. v,f.qaroid film?jl)r g q,fc.vi,1.cbf

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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 oj oz- 9kw:j8lzs9u4cf f two Polaroid films are perpendicular to each other, what is t:fcusl4k9zj98wz o j -he 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 surface op :47.jgtv vbwgsa g9;k6dop3f 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 greawqvxqkgr- 0 54bx qc15test 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 *,vxll5w . mi ja11 t2:wp(,jpzgfspbis 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 appears to bei1. p1jx ;9n;jvby1qym0br +bya.ouh more blue toward the zenith (overhead) than it does; a01y1bi ux q..jvjyph1mr;+b9byon toward 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, which has a9*alz5 lkg(msn index of refrala5(m9k sg* zlction of 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm i02xv4vz fx- uvch1p;dn a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequ10xcfd4;2 vpvu vx- zhency 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 pgaf7 1z:uuc 2a c:j+k+ubfh 7casses into glass, which has an index of ref+ z a:juhc7b:f 7guuf+1ack2craction 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 found to trav2+r8s )xg gkhch;- utckdd- 0iel 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 fk5*m2kw)v:n:ca8 0j xertxlin air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm )sg :/+k o1p2cmxr0uc0g yfkwin 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. Monochromatic light falls on therz pw q e::73d6edme/xi /.pxose slits, and produces a fifth order interference:/re:e3d6pxwo7qpidm .z xe / 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 tj wi4*(lv-5lf 2yyeroc6n9rdhird order bright fringe is seenor62 l v(c4j*rd w yfney9i-5l 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 sepz ow4ryq )-cs,;h z 2moz:yu+taration between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find t,:+t yqhcm2) yz4s-w rzo;uozhe 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 sep9l* 9i 6dl6e7hr1um 5mcsojtparation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 27s r1 uiptmd956*clh ljo m96e.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 y)b zjfo bbxp / x3;3(je37qzfapart. Monochromatic light of wavelength 634 nm falls on the slits. If there isfqefzb;z3p33) o x (ybbxj7j/ a screen 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 Young's d,q5 e 1ddf:togh89z ryouble slit setup that has a slit separation of 30.0 mm. The resultant brig:or qd58yfe dzh9 g,t1ht fringe 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)vtyy7fp+ba;235feduby)v w)x x j)j nm and 700 nm, strikes a plain pix)3ye ))djbp;w )2+yfa7xuvvt f 5byjece 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. 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 bl ef,y,a svn:j4ue light (wavelength 480 nm) and red light (wavelv s:je,4,fa nyength 670 nm) is incident on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of width 0.20 mm. What is the angular 4gw2rqlbx,p 5nd,td1 width of the central dx5,qwr,l214d t ndpb giffraction 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 lightpd./(gokgp)abs c*p : of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maximbpg(dack:)s pp g/ .*oum?

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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 wide. At what uvty0q.r19 ens+pm3zdistance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the screm 9q ev30ny1.+u sptrzen?

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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 the diou/otxfda: 9r s+5ag -;br z1qffraction pattern is produced on t/5xorfq-d1s gz+oaba 9ur : ;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 width 0.a. fc ;wpgk6lf6z/hx*300 mm. An observing screen is placed 2.00 m from the slit. Find the pos.k zl6ff pg*ac/h 6;wxition 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 (cj5b hhds 5,zwph(a7 gqo7 yiz3p2l 8a slit of width 0.300 mm. An observing screen izhhq ywjglo zi(77pd sp bc,3(82h5 5as placed 2.00 m from 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 gh2ct.qn;ww 0,vvc 3i:f nyvvhy 77f+qrating with 7000 lines per centimeter, its second order qwtv7y3v c+ h vin,.;w ffyc7hnv2: q0maximum is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The angle between thkwy53b y vyy2cba 5(w)b-mv0be central maximum and they bwk) y05y-cvw3mvby ba 25b( 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 incid*e o;2 rqn5cfsent on a grating that is 75 mm wide and ruled with 50,000 lines. The secr5qfc *;2seon ond-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 experimenbg*skdcc(* 1av+ z3ov t, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a div* * (+1cbs 3ckadvzgostant screen. A second monochromatic 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 per centimeter ruled on it. What is th h2xkwol3 )dlq; k*um3e angular separation between the second and the third orders on the same sd;u*)3lwk3hmxo k q2lide 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 6 8uoivs8 ir7gspectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) ig6 87vuisr8 oappear 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. i:*7be i aek1cIf the first-order maximum occurs7ica1e e *b:ik 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 incident norulz jh84gp/z 8(rf x;jmally on a grating. If the third-order maximum of the diffraction patternuj(8gjhf;xzp /z4l r8 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 7()6 aaaos q(nc*9m+ qil6l q)dvyt nenormally on a grating. If the third-order maximum of the diffractionsnn)aav*lqa6mq9e c6d l)7qo+ty (i( 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 plate at one :vzszz8wa)y: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 wavelen8a:vzzyw z:) sgth 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 qa2vwlx0 h8a2e* v7fvof this bubble will ensure maximum reflectance of normally inciden v8vhw2lva0e*qf72 a xt 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 illumiw 4kro- -lnqbsc. qqq2w/t;i9nates a soap film ( n = 1.33). What is the minimum twq -is. rwo cq; ktnq4-l29/qbhickness 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 thickness of a nonreflecting film coating (n = 1.30) on a glf f0/03temxct0 zbmbsi4r* n.ass lens (n = 1.50) for wavelength 500 nm?m c*r 0e.fbsfzmb i 4t0n/t30x

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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 li hnapaqn6+aq:6 +bab5 ght and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beaabna 5 h+qn6b pa6q:+am 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 pref pywu dle7.:z4erred 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 of k:pt.5b(cu qw/0k xoaswm007 .gcjngglass at an angle of wag.xo:0u( qn7k5 pc/c .0gjtkm bws0$57.3^{\circ}$. 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 combinatio8hv:o6qa(scp0s 2c b*8mug 4ik)y mhrn. The transmission axes of the polarizer and the analyzer aremu 46vs (8c2hpbcroqs* a:m0gik8 yh) at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its image reflected in calm watertwdl8g i 0v.3u:uc4 *c:igj ks*lk f8m is completely polarck4*:lg i.uvl8u wmgsd jk*:f c3ti08ized?

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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 anq:qn wwjy, jj )5o1*wb analyzer. In this process, the intensity of the light tranwjq*:jq w n oby5,)jw1smitted 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 vacuum and reflecting off a 0ky 4.qsc3 w1ppnz3qmpiece of glass of index of refraction.0m 1q3w4 ps3cqkn zyp 1.48?

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