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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 princi:8n im 8hprm; f(13)q1n)le umvljohjple.
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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 pb)dc. h 34cclis 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 attribuwno a2l +1p 9zy1vlt:zted 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 xksjr2ye4t*iyx8 c+(y vg4l7 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 differe6s/wn7atx, mf4c5/ 9) glm;rmlof1 brl cfln)nt 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 t l) 4o*icx-wp;gnnyv4kgp. d-raveling in air, enters a piece of glass (index of refraction 1.50), its frequen 4kwdl)n. y;co 4vigpxg-p-*ncy

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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), origqpjg0p y 1irr;. rug)+inally traveling in air, enters a piece of glass (index oj +1yr;u) .iggprq pr0f 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 through g*- *jof 7annga narrow slitng-* ajog7*fn ?

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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 l vjbcpo)gd/ecst0np;q1 l.dj x.(b, .arge objects such as buildings, whereas light is not noticeably diffracted.ns;ppj dbc.j) evtq1l c .,/0og.b(dx 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 altern-ie j9ju ;q*msating light and dark bands when light passes through t9sjimq;-ue j *wo 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 coherelz lnafhm: a1mv-v.kes( ac mm(u6:(-nt 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 in phkxocb i *r:psi)75.vuase with each otk:cixu)5*rip7 o. sbvher?

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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 arriviwuv5zob 4*,fxr:b5 p+qpal 6ang at point P. If the maximum constructive interference is to occur at point P, the aa qwz*,p+v5 46:pbrxuo5b lftwo 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 trz m,s1)djw w,ravel different paths arriving at point P. If the maximum destructiv, sw,rm)dzj w1e 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 centww5) 60h uzj1ao nd3ymral bright spot in a double-slit experiy5o3)m6duw1nzj h0w ament, 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 central brig*ly2/h dxm; keht spot in a double-slit experiment, light from each opening arriyx/*kdeh;2lm ves

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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 centralg o4; p 8ynble,ew h6ucc6gbww4: bj7*:g9yr v bright spot in a double-slit exper b4vbepljog;bwn6 u4h,gg w y6 8c y:c:wr79*eiment, 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 experizg yh2ik6,c(b ment, if the separation between the slits decreases, what happens to the distance between the ,gcbiz2y(6 kh 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 v60is fe7qz;:fbsat1that the distance between adjacent maxima on a remote screen is 1.0 e7zb fq6 1itavss0f;: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 q4irz* wn6on 5light travels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment arrives at a poi 9p dop(6xoyx9 1gmc1nnt on the screen one-dmc9xoo(96g y 11pxnp half wavelength behind the wave from the 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 obtain interfkhxx 3 h89a-xcdk + hhw*-og.lerence fringes in a double-slit experiment if the3xhx8-g*.-ah dx kkl +9hwcho separation of the slits 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-slih5vpgs4 -mx( ft 5o5mft interference pattern using monochrs fvpox (t5 mf-5gh54momatic 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 lightxcktv pi06izbf277lg m s (el2fpv+38 into different col28vzb27 3kv7s+6mll(e 0 gtpcf iifp xors is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rainbow to7 6rhwyz*c4gryr .bya -8b0jvkh ;eh5 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 t2bs 2oape9 dl;sm tt5e0/* sbxhan 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 longer than 750 nm is calle ;3sen(o g r-:nxchgp+d

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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 undergog:tmwt /nm el8;2b2t c swc+9yes the greatest refraction when passing from air to glasgmnwc+2met :8scy;2tl wb 9t /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 lightgz5b x9xk hm5;fyj+x*j.ru:n undergoes the smallest refraction when passing from air to glassy+;x.b mhkf9 *j:xu ng5zjx5r?

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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 ligh7 hl5-ojz9icko/4bsnx xzqto*: ey;) t is incident on a thick glass plate with parallel sides, at an *nz7y5 4eoxb /txckhz osl:)o;q-j 9 iangle 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 s5y76ody y 5gw wn0(pkxource. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she will sewnxy6(kdw7o 0 yy55pge

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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 eo:34 eccda.g1 i.((s4lnl j, yqdkkeslit increases, what happenn 3.cl c4d lejks a,o: 1eykg(ed4(i.qs 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 ; d/akl+pt6hbo,jk 0r has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the disperdbpjkk06lt+/ o har,; sion 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 only differzby ;7u ugqjw7uk93q (ence 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 concernig7yw7u ;q 9q 3(zbujukng 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 reflectio nh za)yzye,tof9b2/- n 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 constructiv ,r4b w(aye,skely or destructively, depending on their phase difference. One consequence of this phen,,4 ya(es bwkromenon 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 a:+eqqtyof2k a py) )6b hp/d2yn air boundary, ther +d2y: h/pq)ytq fpb26o)keyae is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is reflected by a glasp*mi21304icpxc ck be s surface, t cmx2*0c1 b3p4pieickhere is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the filj 6v4kh ngdz0l:ym6*mm becomes very much thinner than the wavelength of blue light, the fnkmlyh6j*g460dv z m: ilm

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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, whu4v(3jk 4rh afat is the minimum thickness of magnesium fluoridevk fr3auj4h4( 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 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 illuminated from above withyt,s9 jl.v8v kim*6 xe monochromatic red 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 dire9jvymi*68ts.ev lxk , ct 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 respons+r8b)09 snpbiah m kyvvgk3z/ 8z0spm1s+:j yible for the fact that certain sunglasses can reduce glare from reflected +3 +jb9pvz smpynmks srh1k v:a/g z08)i8y0bsurfaces?

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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 is3k ;m k0fbebd7i 92hgx 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 k.jc +(cts.1k qk a7ooto obtain polarized light in a dichroic material like a Polaroid 7+s. 1ktcq(ok.koa c jfilm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axe-dw xcl.mm tm+ r;/v7xm7x8ge s of two Polaroid films are perpendicular to each other, what is the percentage of the incident mg 8m+m7tx-;xl/ecxr m 7 wdv.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 surfai y.-seld*vq ms5,3 toce 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 suph 9k3.st n2rzh2dblb b1 33qrnlight 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 exhi08v. . fonbil*iku-txbited?

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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 blue3s brg gq5 bi61g1ku: qo35yb qm-p j.evzs5r+ toward the zenith (overhead) than it does toward the horizon. 513:vg5 5gsqmij.ze b3+rbpybr q qk6s-gou 1 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 7cj*na i szz.3in a vacuum. It passes into glass, which has an index of refraction of 1.50. z*s7acz.i n3j 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 glass, whic)l n j,zjmrb*m;4t8ambp1v7a h has an index of refraction of 1.50. What is the frequency o)mbp7bramz n1vm; t8a*jlj4, f 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. q 6y3ezlchqovlut5 ( j y8b:-85gja3 q(t5quq It passes into glass, which has an index of refraction of 1.50. What is the speed ofg58 luca6 o(y qj uhetjt:qq3bq 8(3vl z-qy55 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 vacuumh * 25f*rflcbu is found 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 airwp9pddf+(xbn -vs :r ./u9:kau1xlsi 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 in air is found w cae* ,(vwa0kh6)f fa ,yd+qqto 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./;molslmt-df,87phdg2 f/ li Monochromatic light falls on these slits, and produces a fifth order interference fringe at an a l8 ,fm7dlhm-dgo2if;/p l s/tngle 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 g h ets or ,e-lz-y1lv(af 5g 50tip1av2):djwdouble-slit and the third order bright fringe j gdit5 ,-v5gv:y( 1s 0aret fl2wpole- a)hz1is 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, ifdfk r6b/y 6b5tcxtt(eb : .5rg the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-order andxbr5/ 6tdt(bt. kc :5eyb6grf
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, aro9,l5hp4 bhk nd 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 bright fringe from theorl 495bphk,h 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. Monochromatipfo+t r:g4 +oic light of wavelength 634 nm falls on the 4gfi p+oor :t+slits. 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 incident on a Young's dou q dyh: b7, vwv6leg0)r qt5bf4eavm-8ble 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 between the third-order bright fringe and t5yrwt qe8b0qv:,h7) gefld6bvvm -a4he 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 wavelen9o43c 9e l-2 z0csfeuwqht ,gzja8, vzgths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The indscl vzz3uj -8w za,e,9gf9 co2et h4q0ex 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 (wavelengthja6p(r pj 1q)a 480 nm) and red light (wavelengtj16j)arqpap (h 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 wke 7nu)ddg)zqn xc6 4x6, oa+on a single slit of width 0.20 mm. What is the angular width of the cent)6o n)dxkzce nwagq4x,u +7d6ral 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 b0p5lwd4d* *wfgo6i+*ldo7 c npkl9 qis 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of thelbokc qp4* i g6d +9np*l7*l0fwd5dwo 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 wide. At whatgm ; k/zfibi., d /if.gi;kmzb, istance 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 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 d0puie( ukq,y1i35xm uu9r) pslit 0.20 mm wide and the diffraction pattern is ,iu5e py )m u3d10kuruqi9x(pproduced 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 width 0.300 mm. z(la 1o40sd6t.ls uxp An observing screen is placed 2.00 m from the slit. Find the positi l1l0oa6x4spzd.st ( uon 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)2lwf. vcn2v v on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the wf )v2vc.nvl 2central 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 centimet.yu0epc0b uk,er, its second order mak.u0epby,u0c 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 has 5000 lines per cm. The angle between the 44+y: hb(hrbek2cmwjcentral maximum and the 4hryekhm4b+ 2(:bj cwfourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating that is 75 u aws o+snv4+5mm wide and ruled with 50,000 lines. +wosa4 n5uv +sThe 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 nmcs1 h0*urrd2j wavelength 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 central maximumjr*10dcrh u 2s 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 centivk:v:bdv.lf zy 5;tt;meter 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 kd:v .y5lzvt :;;t vbflight 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 spect ja nk(felcx620r t*g(ral hues by a grating. If the grating has 2000 lines per centimeter, 26ctjra fg e(0xk*(nl 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 firs-wq:f s4:) mtdagk3i0uu 2nzot-order maximum occur :3zm24-0 k)g:tia wunuoqfdss 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 normally o2 t u+4 2ptnekdz1t6l9.ampg fn a grating. If the third-order maximum of the diffraction pattern is observed me1lp4t9+fn.k2tud 6tpg za2at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating. If x 1uppg16)x 3szr1nayao;xdzoo8e ) 0the third-order mgoy11r ) dz8x o s oz01u);epa3x6naxpaximum 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 is separated from another glass plate at one k56xl*d7 anwdend by a strand of someone's hair * 7dldawxkn56 (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 index of refraction of 1.33. What minimum thickness6-dw p1uv9pji of this bubble will ensure maximum refivwpup 1 6j9-dlectance 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). What is the m* q3slc poy0p.inimum thickness of film that will give an interference when c*.qso y3pp0l 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 = 1.3033 twadd zme( lqygj 1d8*r:c*) on a glass j8alddtc3gzqwry13md * :*e( lens (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 of 1 e8ycz2vhfg)1 6 rmba57msqjunpolarized light and the intensity of the transmitted light is 1.8 5cme62 1mys a7vhqzb1 jg)rf A second ideal 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 pre .v a(6rv2p17rsz ijnrferred 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 glass at a afv0 ehc1:enby50u d+ty66lwn angle of tbecwu+v605l0h ny:y 6ad e1f $57.3^{\circ}$. 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 yxvs28b e(3qz a polarizer-analyzer combination. The transmission axes of the polari2xsve b yq3(8zzer 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 horizb1k i ;n/8affvon is the Moon when its image reflected in calm water is completely / inf vk;f81bapolarized?

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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. dthjki rvsdq3ru9qs 1w0r /5for.; 1 *In this process, the 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 ther0ru qvi hwdk srf1rd; .o9q5/13*tjs 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 vac9a82x gm1s+(lmez+eu6jhmq xv 2l r,suum and reflecting off a pi8+ 1ve6l+9gzmxa, slre (juhxm2q2ms ece of glass of index of refraction 1.48?

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