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习题练习:Physics Unit24: Wave Nature of Light

 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 principl7a/os.bt:7c 7 mbcmtqe.
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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 isfc8(o lbs+1ss 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 istcrws( -3n+jo(fd d)e attributed to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is attrj8s)vfw70 1ajybtb9p ibuted 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 diff, 1az/g ,dbyqcerent 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), wg+qh4 )h7 mc cyek))foriginally traveling in air, enters a piece of glass (index of refrac4ygh cc)) +efk)7wqhmtion 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength =/bxg7f + mvi;m6 xj;cjuz, uh4 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), izim 46+bjxv guuj;c/ xm7h;,f ts 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 a n*c.u99d 0n6g zi3unmapmbt-; pu lg3uarrow slinplz3u*9 ;igg0p ba3 d-9 m .unmtu6cut?

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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 objesq4kdb1h(n* vcts such as buildings, whereas light is not noticeably dif4 qn1h*b (vskdfracted. 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 dark bands when light pa j/b6 xy2ux6wfsses 26bu/wxjyf6x through two 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 cox xs;itp.e:j +p z*nesvt. z03herent 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 rq / a)3e4 iq48fayuvvwe say that two light rays striking a screen are in phase with each v 4v3 qyu) farie/8qa4other?

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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 5qkpk3h tor)ry3/s4c point P. If the maximum constructive inte34t h sk)rrqykp5/o3crference 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 arvjpp+j f kuoh4vs) qfy2,p,8jq)0 -lvriving at point P. If the maximum destructive interference is to occur at point P, the two beam,p2 pf-p4) jh )ylj,okqvqv0uvjs8f+s 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 side5 :r7jcm+cghq h2 yyg( of the central bright spot in a double-slit experime( ym7 g 5ychjr+:hq2cgnt, 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 bright spot in a doubl12stx -i5 wv4q-l,.i fnx; qj,zdplqhe-slit experiment, light from eacill4x,dqvnq.t iqw;- z j125px,s-fh h 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(;s *e . (ooufs /vi*2nnxwgsk bright spot in a double-slit experiment, light fr fvs ( /usgoo;swin* .kn2(ex*om

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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 betwe;9oaj t2u,s,zpd6 3d2zkc el5a(hxh j en the slits decreases,s oazxe,(; l jh96dd atc3pkh2u2zj 5, 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, it is observed that the 3 s; sd3p9zvcidistance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separati v3ssizdc;39pon 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 l 1pk0xfr 3p-oe, abg8gight 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 doublexf+1ogs h1qi: (jhx* m slit experiment arrives at a point on the screen one-half wavelength behind the wave from tihj1*mhgxs:+(o x fq1he 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 obtairhbvu2 xjdq*6/z m ,ff9,dw4qu+m;ok n interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light ,/6fwjfq+u xddo;9,2mbm z4 *vrhuqk 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 int7vp.gzea00xxd 6rjv 5erference pattern using monochroma6jpz.7v0x dv5x 0rage tic 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 separatem+s:xuscx-v8),ddag 2 d fgx,s white light into different co:sx,xgd,)d8a-u d fg v+xms c2lors 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 allm pf; xoo..;1 9z wza7e.tytzgows 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 slightly shorter than 4qj: o+ uz6 ,msg2i.wly00 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 longe;7a 85sgu uc0gj(zc u6e jbka+ 7ojt+dr 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 g)fvy5* /iqpp uez +kil,tl :*vreatest refraction when passing from air to glass?)+ l,*pzu :fiq5 ie/vyk v*tlp

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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 th +a*2wothh5vd6+o atwe smallest refraction when passing from air to glwva2tw+t*h6o ao5d+ hass?

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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 1x5;kzfatnb pil1r(m6a54 ik gt.*cr sides, at an angle between k5xmn i a4tk * r1lzg.6p1fc(ia;rtb5$0^{\circ}$ 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 diq4hg )z *7ia34l.uh 6fy1/uvvnqlekd stant light source. If she now holds up two fingers, with a very small gap between them, and looksvvu7fuqh4q )ln lge*1yak i.z36/4h d 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, ifczm6ncb,,pdwshgq 66 +wc,6 s the width of the slit increases, what happens to the width of the cent+, m ns666h,cb6wsgdwqzc ,pcral 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 lines05y9 ,jxtvr+pimk+ by per cm and the other one has 6000 lines per cm. Make a statementyx0iy rb,9 5t+jkp+vm 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 slivt j:udv*g,4k t 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 the same monochromatic light, make a statement concet:juv4vk* g, drning 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 a t; q;6-fip pyl88lajzje18mh re caused by 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 monochromatf a*h wz3f7kcm lb73g/ic light waves can interfere constructively or destructively, depef w/7 m7*z3kba3lcghf nding on their 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, whiceo jt -.6noef.h is traveling in glass, strikes an air boundary, there .ntjoe -f 6o.eis

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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 surfzt8 jk,43h))n /g vtdsxchu4aace, therek4/ns)t4d x8hgtv a chu)z ,3j 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 lig5h/h 4ga /z4mil,wl etht. As the film becomes very much thinner than the 5m44t/iwhz/ lae hlg,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 magnesiuc bf 6me0,,bgnz:i nzsd1qf9 9e;oxk (m fluoride, what is the minimum thickness of magnesium fluoride coating that mus,c(1 0,:;6bzdisemf9gkn qo 9f enxbzt 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 illuminatedxb:0 eijovhe0e.9 g2yrt r,0 y 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 ce r:y02, yreh9oxg0 .e 0vitebjnter 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 reducem bw op0o +z/(yrdz.v( glare f.(dvpzr 0wb/+moo z(y rom 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 polarizatbo2les6gq.m m+ mi7j5ion 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 ligh9 kmxfj2;o g(rp3d m1zt in a dichroic material like a Polaroid fizx rp 3kmfo( d1jmg;29lm?

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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*je-+mnhzt8j perpendicular to each other, what is tht jz j-mhe+8n*e 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 oflfj 6h4wfw+hpvp.(0*swyia a i8g++b5;vo ke 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 sunliu.f.j1npj1c -gy:cqi ght 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 diffrac-j9r/)qduxc ztion 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 apyl7lst 9roj98,hkz nt m7 on87sv 9m-vpears to be more blue toward the zenith (overhead) than it does toward the horizon. This occvk7 j7t s7nl,-98oz8oyntmr9sl hv 9murs 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 wi0t+ 53qha,z(x okts glass, which has an index of refraction of 1.50. What is the wavelength of the light in h3( 5qwttkz+ o0xa ,isthe 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, which havdr6nopc/ y /nx1og5li 1wz;9 s an index of refraction of 1.50. Whatv ;i15/zo ownp/x g9ry6ldcn1 is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, which h3/n4jrgq bxxstzd r;7 cm-h9/ as an index of refraction of 1.50. What is the speed ofjr/ s9mx/- 3hnxqg 4 rcbdz7;t 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 ned1dq8dk(6 fxq fnal*5y- m.xi3oc3is 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 to travel at nxs h s3j63rgp;gqdi1vu fo4j3 .4xt; $1.96 \times 10^8 \; m/s$ 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 travel atqrrb3png*oo-e3gf05i wn4 * x $1.96 \times 10^8 \; m/s$ 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 apa.q8dj)tco k7grt. Monochromatic light falls on these slits, and produces a fifth order interference fringe at an anglokqgdc j7t. )8e 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 dnn4 6c3ag+w pd8 f5 wfrb ezw9z:1jq.zouble-slit and the third order bright fringe is seen at an aezgdq6.+pcz nwwwz9br4 j1fan35f8 :ngle 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 thec6dnoa0i1 c4 m separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spaci 1i06m cn4cdaong 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 s ib-pr 8t6s b:u0he(rflit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from on6i-:r8f tbrhe0 bpsu (e 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 light of wavelengtgz/ ml48xe7fz h 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference frixfm/8lgz47e z nges?

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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 sli qei;3 8b; 8s+ fyduww3oy*gzut 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 thf s ud*yi8g8bqye;w+wz33uo;e 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, shi )qontt9x c+f qn+.(trikes a plain piece of glass at an angle of incidence of 60e. The indoin)+xqc (hq9+ ttn f.ex 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 ligy:z4iczljdm3, t *zd 3ht (wavelength 480 nm) and red light (wavelength 670 nm) is incident l zd,m3i*td cy4zjz:3 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 +q-awzw 5pn:h 0.20 mm. What is the angular width of th w5zwq-:hp na+e central diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is ib hym5p.jmb z6f: :kb/lluminated by light of 550 nm wavelength. What is the angular separation between the first two minima on efj6: /z bp:m mh5.ybkbither side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a single slit 0.75 mm wide. At what dal ifmj8(s0vse+n; z * o:auc4istance 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 cvisj(;+z*a4:sfmalce o 0n 8uenter of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mm wide andx)4k nw 5o)z-vx qutx7 the diffraction pattern is produced on a scree)wxqoxn tv75 - 4zxku)n 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 iny s9e h7ys2p+e- stwvka+5)bj cident on a slit of width 0.300 mm. An observing screen is placed 2a y)pst-2 +j s+ y97hese5kwbv.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 nh,fi537uiw n rm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the sli3i5u if 7w,hrnt. 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 illuminatesz88;r5h :u d tv3uo (n*hfrdyu a grating with 7000 lines per centimeter, its second order maximu35o hv hru:fd 8dt8zu;*( yrnum 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 tnf9z,td1- sxifsbcn *o.( j5o he central maximum and the fourth order maximutf(d-jn ox.s,*1szbin9 o c5fm 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 i qkzj td)x:1h0ncident on a grating that is 75 mm wide and ruled with 50,000 lines. T1 kqz:)xtj0hdhe 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 waveleng* /g dedd1ar(yth produces a first-order maximum 0.350 mmdga* r yd/e1d( 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 600 y i1rf)/k4lqu* nn)gi0 lines per centimeter 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 i1n4f*g) uy klinq r/)of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. If the grating has .d :b2wbu)z9 nnz7uzb2000 lines per centimeter, at what angle will red liznz2d7 zw.bnu: ub 9)bght (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 th67ro,s;3a( bb. koieimlhw + re first-order maxi.h3ikm6l swi;(b eo+rbo 7,armum occurs 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 in-s 2gc3gv*n m7pyic7gcident normally on a grating. If the third-order maximum of the diffraction pattern is observed at 37g ms-pci*2c gnyvg7$32.0^{\circ}$, 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 ymor1tp n-bi,l) wj;e-lyj7 v,xdqm ; w:c6c4nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is o)vljq:mb n otwc;4,7jeywr- -dympc,16 lx; ibserved 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 3den6gvwc-p5e:zx f5yj e3cr g7:qj7end by a strand of someone's ha7 5d c:g 6yq:e33wegvr jec-nx7j5p zfir (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 refrap;ks9 rlo.u6y aq0;eau tv e+ong.8b0ction of 1.33. What minimum thickness of this bubble will ensure maximum r 9; t q.suo6+a8el rp0k yebvgua.0o;neflectance 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 som pr zt;rl +.xeyj)o* w 7.l-zr*e5vdjap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is inc*lw;z.ve+pm rxzojr.ryj*5-t e d 7 )lident 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 (nga.p ld 18clh+qs5/xmfwq *ku.7.n xn = 1.30) on a glass lens (n = 1d 7w kng/m+laq f.q sx.pl.nx1 8u5hc*.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 uj 31 lmm-2gxdof unpolarized light and the intensity of the transmitted light is 1. A second ideal polarg1m-2d mlj u3xizer 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 directiw.+ifyi1 b yhtz4*7xwhnf5pwaf7; h r g2:sm;on 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 pikb e*i,l;2f5h7 srozcece of glass at an angle of *7rboi5zfs;h 2k ,el c$57.3^{\circ}$. 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. 7: l 6shlfb5v.-ewhd p ;y5lud)3a,o+zlgg kn The transmission axes of the polarizer and theg5h h.7:-lkvl,n fzy;g) be3l5od slu d a6pw+ 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 refl)pv7jm2luk ir 2*v/ljected in calm water is completely polv rjvju)/lk lp227im*arized?

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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 b 9w -qwyl7/dhw9y,4pw ql6; wyknpp 9then an analyzer. In this process, the intensity of the light transmitted is reduced to /lp9wq-lw;wq4d9pww ,ybp6h 79ny yk 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 r/vfjv tkwnn2l4tk a 0wo.1n49eflecting off a piece of glass of index of refraction tvkfj.nv9kant/o l4 nw 402w1 1.48?

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