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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 principvjr; 5-z( gnep4vk zu)le.
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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 falsz6i l f52v78 a4ddkxrbe 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 attributsurcc7l 1eb8 yq+p6c;m am,y- ed 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 o,s 8tuqlbqpy, sx8*1o y4ocm4f 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 inth-n8la4ocnoj co83w )o 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), or8 khlyo )u*s3a 78delhiginally traveling in air, enters a piece of gldo sa3h7 le8kl)8* yuhass (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 (wavelengtki2/o1q e:mn oh = 590 nm), originally traveling in air, enters a piece of gl2qnio1/e mko: ass (index 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 lig fmxvw-49 zj-dht spreading as it passes through a narrow sv9wdx4j-f-mz lit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted by large objects such as buildings, whereas lighq gp3l3dg +a.)-fjz **djugyw5*y c cft is 3dgw ugl5c) d.qjc**a3+ *y pfz-gfyjnot noticeably 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 al0gym 4 0li:ftvternating light and dark bands when light passes through two or m ft :00yg4vmilore narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be coherent if m-x ssit//0fs 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 lighe av+(tzdg1-qp x/ 6oct rays striking a screen are in phase wz(cx6+e-dtqv pga1 / oith 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 2(xi:.ucai qnel different paths arriving at point P. If the maximum constructive interferei cx qaui.n(:2nce is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. If thelsb pz8s**jm1 maximum de*mbpj z1 *8lssstructive 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 cb pcbtfmmk*-4+ jz wk*e9+s6 central bright spot in a double-slit experiment, light from each opening4+f w+mtmckcb*9k- zbsp j*e 6 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 bright spot 8z h * gy*:u:rbgk,zdbin a double-slit experiment, light from eacb*g:8 ,z*gz hdkb y:ruh 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 spotlj qr30x(za b/ in a double-slit experiment, ligh0 bjl/3a (xrzqt 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 slith qr/ esb/;(qzjg )vy8 experiment, if the separation between the slits decreasee8g)zq / (j ;r/yqshvbs, what happens to the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment,+hi.3-dt rckeged a42g *lzo3o g qvpi,4rh,0 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 separt.gp d4r q0koh,i,l g3e-vdr e4z3oagh*i+ c 2ation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light travels pathx;ngfhxf5*m. 8 oida1wqqhb1u,. k;s $P_1$ 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 exper6vyc z5oay6 nb0w o8j)iment arrives at a point on the screen one-half wavelengjo5yv8ba)0n 66ow cz yth 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 interferencw77k ue5scxe1 e fringes in a double-slit experiment if the separation ok5 1x7e sew7ucf 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-slit interference pattern usiog .( 2wb2jqujng monochromatic light i2j 2gq. obu(wjs

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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 intxr3;welv:h ;n ,pgvh8u+wif 5o different colors euw;+pi 5:fgr l8h3 vvhn;x,wis

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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 rainboxb;:umld nk 587r(gu5a1ylf y w 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 tgf9c ,v 0,d+diy gw6nb )sg3nfhan 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 boz hum).7 jwo,sazw:/ rb(.0 veup: f750 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 airnw(fo ;cc6f,t 8lt +nt to gl;o86+tn,cf tc(tfw n lass?

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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 refraction when passing from air todd+, j- foavhs5k*7ud5s1f f s glaskfsdo hdvs557 f,1fas u -+*djs?

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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 incidepk 7 c;w:n8nhi k3mqy:nt on a thick glass plate with parallel sides, at an angle betwey3 78kwimknqp; :cnh :en $0^{\circ}$ 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 f-. y8 8mjdoxv8ii hh.vingers, with a very small gap between them, and looks at thoxd 8mh.v8j.vy ii-8h e 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 slit increases .taycnk1nc-m004j - nsh;g ka, what happens to the width of the central maximum on a screet.- jhc -;akn1k0 m0ysncn4gan?

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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 40m y)w07rn q/wcf5ut1g00 lines per cm and the other one has 6000 ru 7/gwnwct5y10mfq ) lines per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation/iyde cx qkf/7- +5bciy8wo1x, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromati /o+/ cqdxf k1xwyci 5-7e8biyc 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 refn147c*z /ro( dyn tndz,vbd.73:f2n k uwenrolection 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 liovaf/l/sq ; onip:b**ght waves can interfere constructively or destructively, depending on theirvb n;f*/ilqso/:a o*p phase difference. One consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes an r1bra(ns b(b.qen*wm63i jb 6 air boundary, there iasb 1b3(i.brqjb e*66r nn mw(s

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is refl0ixgc09d2ytct , ly8n ected by a glass surface, c2gcit 0tl ,ynyx0d 89there 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 film becomes very much thl 1dccc dgyv8ryk4+( (inner than the wavelength of blue light, the8d1(d+yy4rc cv (clkg 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 minimu wznpyupd;*r0f3x2 5)4lzrxtm thickness of magnesium fluoride coating that must be applied top 24fx5rr y0 z 3ltuz)pw*x;dn 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 g ;hguak*q c,z,tpdd/6lass plate and illuminated from above with 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 whert/ku,q,gdc; p *z6dha e 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 +i nvf2e z,d5pcertain sunglasses can reduce glare frofi +vzdp 5,e2nm 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, thvane(gql;7lx .6.ybboy n :)v e direction 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 a80pt; w dcgj oeuy,+w, dichroic material like a Polaroid filww e;,8+,cjd 0ogyput m?

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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 filf gy2kaa0em **ms are perpendicular to each other, what is the perce*m0*ye k2aag fntage 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 fry +7a6lo- emzpom the surface of a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is greatest6t5p-ao(,qf,np + ebn hhnv6gcg (yn2 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 follo 3 kt*6wk0b murr w/.gw45zzckwing 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 the zenith (ovai5(fg0 m44n jpwid hy h88f1zerhead) than it does toward the horizon18 i(a0dn yfhwzm4 4g5ihj8pf. 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. npf)s2 yh30eez5/cul It passes into glass, which has an index of refraction of 1.50. Whch3 eze0luf)sp2 5y/nat 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 passeno9d,)j 7 lle4zw m (khbleu3-s into glass, which has an index of refraction of 1.kne3ll-ub h9o wjl)d e4(7z ,m50. 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- i7zgl*)f q6is tfjvc4j-7qt. It passes into glass, which has an index of refraction of *jfi6q4ctg-77f -tqslj)iz v 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 vacuav9hs954 : xq kctzp.hmhe t5f 4a,lk9um 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 air is found ttk c8d/)ydta:n 1+:oy nyg.sb o 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 to tra9t4 ,a1frw xyi a09 ytss6dvz/vel 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.sd8. y aufl*;o Monochromatic light falls on these slits, and produces a fifth yo*d .u;sa l8forder 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 oruqwce;k2inxq 4)ek f)kx04 d4+t xw3 n a double-slit and the third order bright fringe is 4) kqexk f2ciru34 et4dxwn0 k ;qwx+)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 two slits i.aj5op a2 ,sqcznb76l (mc* ghs 0.050 mm and the distance from the slits to a screen is 2.5 mmozsl 25 p6chgc7j .qabn(a,*, 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, thif; hl:h w(8mde slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. l:dw8 hf(m;i hA 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 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. m5w:wm:dki *o lupu/6 Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart a6 /kd:*5w umpmoluiw: re 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 double slit setup that h52r+zns gmp+v6o m3eras 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 frigv n3zsmpo rm+25e6r+nge and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths, 480 nm and 700 nm, strikes58 t4a1+;gy cn wdjy6x7qqco9 vzfg w, a plain piece 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. Denwq gd7, f+c1zv5cy8tqoxjw946;gy a termine 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 (wavelength 480 nm) and red light (wa +)r aw95eg*6qruhyv svelength 670 nm) is incident on a thick piece of glass at egr u6)hr*+vqa9 ys5w$80^{\circ}$. 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 txvl dsk7v ;,v-dv5y nki(, 1ubeit1n1he angular width of the central diffraction xdi17,1,v1sku5 k vdt(ln-v;bivey n 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 84vl;at-t quatc 1h)zlight of 550 nm wavelength. What is the angular separation between the first two minima on either side of t)az;c1hq t v -4utla8the 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 ibm-:inz5 b(j h nqxl4-lk,k g8ncident on a single slit 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 1.7 mm from the center ofnbgl--hn (: 8jimbxz l4kq 5k, the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mm wide and ththadjh3+c idelg15 :; e diffraction pattern is produced on a scre:gc1d+3jh5h ; idatleen 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. An v.y8wj ub95dtobserving screen is placev8yw 9jt5du b.d 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width v2 n9:x;7)( dqecs*girmmj mm0.300 mm. An observing screen is placed( ;m :cm)xjq*m7m rveg 2dsi9n 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 grating wit any k)kjwm,jy 52m,g(h 7000 lines per centimeter, its second order maximum 52(, ya,jgmjykk )m nwis 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 wp1fk/5vqw/rn-wvm*n2 6 nsulines per cm. The angle between the central maximum and the foumnwfsn/2w 6-vn*/p1wu q vrk 5rth 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 mm wide and rul4.s+jr2,sj j eczz2k:9r ,f tphp0twned with 50,000 lines. The sej :tk9tn,ezpzr,p+wc r22j fh4 s0sj.cond-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 wavelength produces a first-order f4c1s8kah 0us ma0 cas1h48skfu ximum 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 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 +l/l4pt ik/iargj 2r6 ruled on it. What is the angular separation between the second and the third orders on the same side of the jk64 r lg /l/iap2tir+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 spvz8tsh7ro. c. ectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red l.hzv.o7ts8 c right (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 dog tj w2u1o38used to calibrate a grating. If the first-order maximum occurs a1ug2o 3t dwoj8t $20.5^{\circ}$, 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 50 88iaj)7 s1qqi4vywwl0 nm is incident normally on a grating. If the third-order maximum of the difl8iisj q a178yw)qv4wfraction 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 wavegp27y.:+vnm 7w wxyg7x.mulklength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction p nwym yx v .kuw2l7g+7gx7m:.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 loni es5ui ;8njmgi*r 9ct( q cw8/jv.xh:g is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?ij( c 8hwuqxegj*vs5 r:9i c8 /t;m.in

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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 midsxza *j3k: x;nimum thickness of this bubble will ensure max:az jksx3dx; *imum 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 fi1+9au2a w ;pvq okz5vrlm ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incv95 1a pkuw orav;+qz2ident 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 64 u/jeu9p5 gksaq z(ya nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengkp4g 56syz qj(u/e9a uth 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 unpos t1.k:gz ,.uo,sibu qfiq:bm )m t((nlarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred directi:i:s1 uiqbttus,o,)fm(kb .gmn(q. z on 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 rotatm(wcq7 mj3 bf,ed $30^{\circ}$ 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 as94 l64u:f 3jds vls q8 hnt)1sjga8jct an angle of c49j:uht)14 6ls sv jd 83lsnas8gqfj$57.3^{\circ}$. 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 combinatiobywwc4u3m *m2y uli -:h5xb; qn. The transmission axes of the polariiw5 3bu: m;2 x-4 muqhc*wlbyyzer 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 Mo s29z, 9z -p.brbenetxon when its image reflected in calm water is complettzbe n2zxb.,se-99pr ely 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 passesa(w)y wf3b+xx*hkrwxkun 13w0p1so 8d x) l ;u through a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of then)rwuwb a1)p sx;ou3klx yfww8x0*( dkhx +13 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 reflect/tnypn(h294z dsk - xcing off a piece of glass of index of refraction y t(px/n 429z- ndkcsh1.48?

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