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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: 游客未登录  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 princ9-e1y zm 0ocak my;ga1iple.
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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 statemenx9; ij f* u1.y/jjck*vns3bzit?

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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 attribut,l xfr;h/kr y.jk hju +xvq 06iet)2;ied 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 ye*s h)45) (jojq jji o7eg5ob8znee;of 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 rfx;m n)yx8o; into 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), originally traveling 9zldb8q6,cz/(pw v)al .g a ufin air, enters a piece of glass f.68/lv wa9zb ()ga cqu,lpzd (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 (wavnd(v1zse)jkr:pbkf o)b+* crr )2ye-elength = 590 nm), originally traveling in air, enters a piece of glass (indee ejkr)*ykb- :)+ 1 vp cosrznrf2(d)bx 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 spreading as it passes thro3kx:c1mcn 1ih;k+ ujediar r10+x6 nyugh a narrow slin0kr1+:j3c6cu; 1na+ix krh md eix1yt?

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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 suz6oyamo jvw9j* ):ti( ch as buildings, whereas light is not notjojia9z)y6 m *w o(:vticeably diffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light w d7t gmv3zlp q*w+ pru4)cm56and dark bands when light passes through two or morpc4vwz76ul tmq*grp 3m+) 5 wde 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 coal5gjitj9i uqe+eg:x lf+ ..) herent 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 are p6pg1gqdc vs 8hc+*. tg16l*gtf f,y xin phase wi 61gg*fs,vt.1g*t6 fp8ldcgxcy p +hqth each 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 trav i1- tvoedk zx(acy61/el different paths arriving at point P. If the maximum constructive interference 1 6 -aik/(xvtc1zdyeo 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 arr vav8i/6j-w aqiving at point P. If the maximum destructive interference is to occur at point P, the two beaa 6/q-ji8 vwvams 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 9ml(dc j* pga4of the central bright spot in a double-slit experim(4 cp9g*mad ljent, 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 eithed3nh p0f8w,f kr side of the central bright spot in a double-slit experiment, light from each f k038dwphf,n 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 double-slit ic75g(aa +a;az 1ww lxexperim az wxa1wi ga(l+ca57;ent, 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 experiment, 0tnnh0oh2xu3 u 82l 9lfpe5kmif the separation between the slits decreases, what happens to the distance between the interferenc03 0kn xe2u8lholu2ht m5p9fn e 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 betwee 9gi/s4eu/jqm 9mr49o9udcgm n adjacent maximaujq emg/sr i9c4/og9 dmmu 949 on a remote screen is 1.0 cm. What happens 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 travelfb k8st tv.(2m tj)*gmm(-qp xs 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 slit experiment arraqpve su843c vj,i0 i9ives at a point on the screen one-half wavelength behind the wave from t308e vspq,c94 iajivuhe other slit, which is observed 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 o:wycpc ds dl4(b3:td c6c 79uhbtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelengtwb 6d slhpdy 7c9(c3c:c4d: uth 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 doub:7 4jbht,xt-3fbm z.b4f epq6d+jgxrle-slit interference pattern using mo4+zrj bx3m.ge q-f6x4 b7:tdfjb h,tpnochromatic 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 a ,unjm uxc13h4 zt5k0r15 krwlight into different cok5 jk nxu,u1a340mt5r1 hrc wzlors 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 ys3:-s0ncv m s*nsik1allows a 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 sli10x*ptfb*c h/ 7;qh5 ilts yat/tmd d.j0bu9 aghtly shorter 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 wavelengthxx)lnz ,82wh 6rdghx) slightly 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 refru) *osf*u ;b up+4yk/ zwo m;ax-wilf5action when passing from air to glai +4fwxz-; fp/lm; wo uyub *5u*sako)ss?

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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 : xwsz1etge7 1the smallest refraction when passing from air to gges1tz: xe17 wlass?

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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 sides,gfh n- fhfq3b(/v) t6f at an b t/-( 3)ffvq6fhghfn 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 very distant light source. If she now holds up two fi)ga3i b3 se)dri .lbo:0vb cj)ngers, with a very small gap between c d)b )osvaejbr bi3.30 ilg):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 diffrac -om cijfyv66*tion experiment, if the width of the slit increases, what happens *yfv- c6im j6oto 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 linesmrr0 , l, wb-*xfpq b(vsik/3s per cm and the other one has 6000 lines per cm. Make a statement comparing the dispe-mx,s lkbr(pwfv*r, q0i/ b3srsion 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 onrrnik: h1 (v29ir3m,ago bza7ly differenceiaorrv a 197hg,3ikb2 n(mrz : 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, 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 reflectionf7ti .+4e nt d .c(grzbpj,wj. 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 ligh)vc *d1 jm1x ;txobh;nt waves can interfere constructively or destructively, depending on their phase difference. One consequence of j*vdxntc bo ;;1m 1hx)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 if12fffa.du1 vz u0 e-ys traveling in glass, strikes an air boundary, there isa ffff-y1dezuv2.10u

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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/ we6 ge(wey.mydbk99, thekd.ym/e(e wwbgy 69e9re 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 en 9at++08bj70ebc h9uwbatlqm m: :rviewed in white light. As the film becomes very much thinner than the wave 0lt ujhnwact09a qb+:mb+ee7b89 m:rlength 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, wh :9poh; fzgh: :yc6ugzat is the minimum thickness of magnesium fluoride coating that u6;: 9zo:zh:hpfygcg 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 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 onjqan4e;y 7 7ugqnyo95 a flat glass plate and illuminated from above with monochromatic r ynyqu49oq7e; na7gj 5ed light. When viewed from 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 res, ,njjd;e( uu,an.a nhponsible for the fact that certain sunglasses can reduce gla(de,ujjh uaa,.;n ,nnre from 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 polariza3 vkfzl;o3-ghtion 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 materi.9c i)tf-o..sxh az/alx: pda al like a Polaroid .th: -z9a/cladxo p ..a)sifxfilm?

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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 tohl:u8ck*6 tm6n5cnig rvv1) f.ki*po each other, what is the pv1lc6o ik6k frcmv g :*t5*nhup).8niercentage 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 of a lak40(tewp6(su uxy b, l)jgf3pie

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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 gsvgxq)*2btql 05p z4breatest 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 folluzcxfp h;so(u/*ae;*n c45vy owing 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 appears to be more blue toward them w+h ;f;6qjwk zenith (overhead) than it does toward the horizon. Thiq +mww6 hkf;;js 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. 4lkp5/4uppop It passes into glass, which has an index of refraction o lpp4 k5/pu4opf 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 in a vacuum. It passes into glas ynwo)l5y6 p8rs, which has an index of refraction of 1.50. Wwp 65yy8 )rolnhat 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 passesvi u emxf(jqkvf2b+5e+ /x4s. into glass, which has an +x(e5fmj. sb4i/2qv f+vxk eu index of refraction 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 tra)s/eibw t0gd0vun9,rtm(l ll/yhi 8jq9 y/a3 vel 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 x:+(m v:hu ;tb*lm 8rwvrkg+l 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 in air is found 9bg3z1te-s r (ttv jgph;g( 5lto 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 these slit 01d v5vslaj8ed-8*s1;*clfdx pje dfs, and produces a fifth order 8edfj81 sf0**dsjl5aedp xld ;c vv1 -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-sl:ynge x ,klhp0cl5u, 1it and the third order bright fringe is seen at an angle ouny 0,1e ,lp:xk5lh gcf $6.5^{\circ}$. 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 two sldtuq t:f4o, 0gits is 0.050 mm and the distance from the slits to a st ofdtu,4g 0q:creen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, and tw99 zfsc8gsql 9y)o: lno 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 thos)9 g8 ll9fz:sn9qcye 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 lik )yc,n1k.aaf(qgd 5rght of wavelength 634 nm falls on the slit5ca(kkynrg, qaf.)d1 s. If there is 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 incie)8 9u+r v ceah-k/h7o8ihyxm dent 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 8 i+y8hvuh9c oh/emk -a x)7erthe 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 700n,q7;+r ad ;q4d,hzjsj z1jtxw1- nh f nm, strikes a plain piece of glass at an angle of incidencq x1,d,1fa dh+zh7n;twz rq;s j4jnj-e 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 bllbe-,h (.s tvc9s1i wlue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick pic1t.s( ls ev9-lhb,iwece 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 bq.sunyz.6.zy 4 o9fa0.20 mm. What is the angular width of the centrby.u .o64 f9za yqzn.sal 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 ovm4d7znitbv.2:/h rm f 550 nm wavelength. What is the angular sepa2v r7vmzimhn.4 db/t:ration between the 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 6:pkojmgr+ vlhywu b z-*1*n2 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.:hbkwlzr1uo+jvp* -m 2y gn6*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 irbbhi e6n6 v.9-gnqr.gqh*va 1l0 nd0s incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the cevr.0nq hgg .nb*d 6r0e69hlba-v1n iqntral 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 om8xe qk9b777+ zyvmq tn a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find thq zymx 7km 7qe+b8tv97e 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 am j.e3 psa- fst,sa)w, slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of thes)a.es- wspjt f,, ma3 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 centimeterkr3hjez : 7-ws, its second ordez-:7krh j3sew r 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 per cm. The angle between the central max8t7w ib7qyfnqs pd p1rv.*mj* h6w.4jimum and the fourth order maximum q6*s.h 8vnbd7wpfq wr7m.ypj4j1 i*t 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 t at 0rn:*r3j*l bu*hphqcnp63 hat is 75 mm wide and ruled with 50rq u:hbchap06*lj *nnp r 3*3t,000 lines. 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 wav 7x w) /rblib. *9gfw*:mbfb)fs ekf-velength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-ordmr *w s/ef)b.-9v kw gifx7):flbbbf* er 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 rulj-lkb5c ;.p moed on it. What is the angular sbck ;5 lpojm-.eparation 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 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 intoh02,l tcvx gn6 spectral hues by a grating. If the grating has 2000 l vh, lc60tgx2nines per centimeter, 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;oyt*uj* yhlsz,3 p;i . If the first-order maximum occurs at;;j*uop*h l it3 ,zsyy $20.5^{\circ}$, 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 normally on a grating. I(+8okpemdx 96wq y 6 ee-tgym+f the third-order maximum of the diffraction patt86 y+ -ee 6pqxg9( wtemodmy+kern 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 go: +v3ckgo7lwoy: -t 2h psjq:rating. If the thigh3pov 7:+loow 2cj:yq:skt- rd-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 longp.wvk.1z lx4 m is separated from another glass plate at one end by a strakx1.v lpm4 .wznd of someone's hair (diameter 0.010 mm). How far 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 ind0mmwk+ m+ x2h f8xwa lh5/vpvk2wx5s (ex of refraction of 1.33. What minimum thickness of this bubble will ensure m0k(5mpf+w +xm w8m/xsh kwx2 lvvh52a aximum reflectance 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 illuminates a soap film ( n = 1.33). W-.zg 5yytc *buhat is the minimum thick-zu*b.y5ctyg ness 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 thickdenkhi6p yrd u+9 k rbt6fhzbd2 ( *1kmi3r*3(ness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 nfk2e*mzd +hbdn ( rt6r 3bkhp ii3r1 yud6*9(km?

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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 inafbbd: ghj v0+qf5fy4m5q. 0s a beam of unpolarized light and the intensity of the transmitted light is 1. A second idf5sb4q0gj f q .yfh5 b0va:d+meal polarizer is placed in the 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 preferred direction+ l-xhmxzvwy n) (;n8) wye1b uj7c*l/u j6bgb 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 strd3job*e */)e1o eja e em/yjg+.2hmivikes a flat piece of glass at an angle of 1*mgbi2 o/ +ea m*d. eo3eyve)h/ejjj$57.3^{\circ}$. 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 o;fv7ewt,q9 5lg04vf;.e3czlzuk nhtransmission axes of thecl7tof40wu .;zf9 ghev 5,elv;qz 3nk 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 reflected in cxsdl a o2 5c 0tqx :wxx6tjez9:bq76c:gn9+cjalm water is oxx: s6tdjt ge6c7x: 0x: qzqc95nab9w+lc2 jcompletely polarized?

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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 ph3n dgnd af6zo.w-6sykg,6b / olarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle betwnsy fhad. 6/3 gnbg,6owk-z6deen 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 fedl ;ua0*wju6or light traveling in vacuum and reflecting off a piece of glass of index of refraction 1uuj *;6adewl 0.48?

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