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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 principlvr)qjyjkh g/1k.0 g; * bfv;s,x:apfie.
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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 statempc5.tw 73qc igo8)im2i+ruv (i*ltpag;dlk; ent?

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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 1neo6kl+q cl, 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 attributed s, sgpga6k3/jto

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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 med6r8)je3bbipln d-- tk ium 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 tv v hyor);-mg5ld:k;(wavelength = 590 nm), originally traveling in air, enters a piece of glass (inoy)k:-d ;vht;mlg vr5 dex 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 (wavelength = 590 nm), originally+xit*ljub+t db ul-g2 o5n4 2i traveling in air, enters a piece of glass (index of refraction 1.50), its wavelx 5 gbtui4u-++jloib2d2n l*tength

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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 itqen.ya uvi v73cr 2*aw05;l yq passes through a narrow slyy ;*n0.7uv2 i3rvqwa a5ec qlit?

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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 buildimc304 11sd.c br dvu7e3 ehnazj s,tm9ngs, whereas light is n0u hc1cdd4m a37e s. rj3e,v19bmntszot 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 altern6gk cva x yy/jal oh0/6/4-bwwating light and dark bands when light passesb4hyjx /c0aw o - k6wva//lg6y 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 cofml )8kib9.g m. ,yt9b -zkgy8u,nqbpherent 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 str9m l80z6pa n hjxg/xu0iking a screen are in phase with each otua j gh09/68nplxzx0mher?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of cohereny bvhgvxz ;41h .kk*/xt light travel different paths arriving at point P. If the maximum constructive intek4xxhb ;/v* h g.ky1zvrference 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 poi w ja 60qr0kn.cuy1onj+r j0y5nt P. If the maximum destructive interference is to occur at point P, the two beams my j.ycqrr0j1u0ak wn 6njo5+0ust

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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 eithtkdln) b, j)nfw;u7 u.er side of the central bright spot in a double-slit experiment, light from each opening arriv f);njb u n)l.td,ku7wes

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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 double-slo*ft *ie;8fspzi4ru l 2w:-unit experime uw2 el 4*t oifzn;p*iu-8sr:fnt, light from each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the cen* 3 lh88rpfm05 kee7*zttlmeh tral bright spot in a double-slit experiment, lk87*e th0e *er 5 pzf3hl8ltmmight 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-d)bihoa ubkfo ,xtpr8;9d(*zz. x* g experiment, if the separation between the slits decreases, what happens to the distance d f9obr*uk bxad.z)*; 8o( pzhx-i,tgbetween 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 y9b9gy i(hqh89i3n ez2fxz7 f5 dveh, that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to thy e9q5 z2v g9z,nff d7byheh(8i9x3 ihe 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 lighy ; z)wou::qezt 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 slita01w p) khv)lm experiment arrives at a point on)l w1hpak0v)m the screen one-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 interference fringes in a d-x*t uj+xp0u,lu kw3youble-slit experiment if the separation of the slits is less th * upw+l-ky,j3uut0 xxan 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 d*2j rft5i lm/maxima in a double-slit interference pattern using monochromatic lt5*rifmj/2d 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 *);-yrc f2 5 pilgskg9 8tbnhaprism separates white light into different colors isbs8hnrc2-)g 5 ;g*y aktlpif9

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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 rainbow54 ,o gyfm5wx5tuu .md 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 slightlq;., ;qunmj3*uvb2w tvsku d *y 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 wavelength slightly longer thanm+ 2lde w m*9w87rfzuj 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 r 0c5whu;.)8hyrs pjyo efraction when passing from air to glass)u hp.5c0sh ;yory8wj?

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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 refractio8.ea 2kg(yan btp2m;si b o7;qn when passing from air to glasbk(2 .a8boi; ;tngsqpy m2ea 7s?

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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 i )cz6/xwcv,*6jc ylu(xo zr;os incident on a thick glass plate with parallel sides, at an angle zc 6)juz;(*wlxcyx,/c6v oorbetween $0^{\circ}$ 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. If3u t1qnbs*-8kaz nx4 i she now holds up two fingers, with a very small gap between them, a- *38nqk 1tx zsnabui4nd looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction ex,afi 9(v/-jxtbtg/ swperiment, if the width of the slit increases, what happens to the width of the central maximum on a bj /-t9viws(at,x/gf 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 l68qq4 +u5f5ukwb eysdines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two grat uys48q5 k6+f5 dequwbings.

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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 slitk0 nj1gejk/e 0 separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratingskj1gek e0/j 0n 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 reflecti-+9 ( a mxpbwrte8 ,vhwog.mi0on 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 co4pba-m*hb-: ch( jzq 7unt (jrnstructively or destructively, depending on their phase difference. One consequence of thim7 bu(*thp: q-4 jzbcr-j(nahs 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 ahv;l p87iqfiv80 bvs1ir boundary, there s; ipfihl87 v1vv 0bq8is

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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 ia,o)k4cn v9 bqn air, is reflected by a glass surface, th4vbk ,qnoc9)a ere 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.7m-4n *ql ejndez 9r4l As the film becomes very much thinner than the wavelength of bllmlj*e-z9n n7e4 q4 rdue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in magnesium fluoride, what is the minz;by4k-3m.sj fz n-b *ddapt.imum thickness of jfz3y*-t;k4 s.dazp .bnbdm -magnesium fluoride 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 illumii.)xzsi6a3mj nated from above with monochromatic red light. When viewed from above, co36xsi mjz ai).ncentric 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 responsible for the fact that certain sunglasses can redu. e3- gp jgl;trjznrr1c.3a+dce glare from redrj3t1rje3;. -a.grzcglpn + flected 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 direction0s f xk6thea*b-4t w4d of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic jvs )-)hyfevk)f c7 a,material like a Polaroid filf)ve)jy-v7)f sck a ,hm?

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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 to each othem1 npmun8zir0 )-0-/bd fpq adr, what is the percentage of the incident light which will pass the two films? fdz0mbpn8n-uir0a qpm/d1 -)

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from b 7q1c3n wjv6zthe 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 ;fswa rv/-myc 62 pqdj a:aq1j)um2-i 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 diff+pfny3h1r; ( 7gvyi* fapka(uraction 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 bluei)mv:qn:xzjdy: / i-p toward the zenith (overhead) than it does toward the horizon. This occun: v-d /ijmp )iqyz::xrs 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 6jmj6 x+l2 (jng;zjz. :)dgnpw00 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in t:pnj nj2)x+jg;ljg6zwzd.( mhe 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 /xh e+pa2 );ct4cyrw l r6-- khrk7wqiglass, which has an index of refraction of 1.50. What is the frequency of the light inside th wcwr l72ci;ktr-/+hx)qyapke h r64-e 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 pass8kfesps4:p 1s7n rh r3es into glass, which has an index of refraction of 1.50. What is the speed of the light in the glass? 3shsnf4rpsr7k1pe: 8

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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 nh3 p gwirk l*/g3ggx- tk;3;ofound 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 4ghu9 1qpf2e 8/y(nov nxo)kpat $1.96 \times 10^8 \; m/s$ 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 akp8b l -6tpae bo.x+2bir is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart. Monochromat, qaxuuktc7x wo-m,4 ,w(jzm; ,l)cjo ic light falls on these slits, and produces a fifth order inomc, juwu, 4j7(o lqk,;tzam -w)xc,xterference 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 doubw6:6l h6 jfnzsle-slit and the third order bright fringe is see6hlnswz : 6j6fn 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 tp / zc- fvl:627csfhduc6:c iuwo slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between tfifzch c/c uusv6c l-:27pd 6:he 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 separg, y,3htb9f*5u(qcg l*l+bv q2f xel cation 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 distanc(blgcl*gcetf2 5,q *vby3h uxf,q9l+e 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. Monochromatic light of wavelength 6orz cmcy9mdz0cdy- ( f,v1)1ovh i:3q34 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjac-oohqd)z:cc v9 vymimf 1,yc1d(0 rz3ent 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 3 y .hcnqw*f,zdouble 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 brigh. z3,qn w*fcyht 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 clyi m k 24o/w :xvaiz71fy)u-rontaining two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e.a i lxuwirv7yy)12f4mo-:k /z 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 blue0fjl gy4 b0/wo light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glass at 0g 4 yfwb0lj/o$80^{\circ}$. 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.jup,;s 93 -69qxy fn,unmduwi20 mm. What is the angular width of the central diffraction peak?3 w9-6 iu; spudujn,mq xn9fy,

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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 i-at(v) oh sb-ylluminated by light of 550 nm wavelength. What is the angular separation between the first oa-sb(- y)thv 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 0.75 mm wide. At whuj;6c866 y nzvuv xx,fk5skuu6i/ s+lat distance from the slit should a screen be pla66s+nfy6zk8;vu icku xju us5/ ,x6vlced 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 slit 0.20 mm wide and tms,z. hdyw7;c he diffraction pattern is produced on a screen that is 1.5 m from tcs .w;mdz,7hyhe 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 0.3vouk+ 7yl) y5svg4. peob-j -n00 mm. An observing screen is placed 2.00 m from the slit. Find the position of the g ysv7lb y4nuepj+-koo). v-5first 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 0.300 mm. An ogpu1j :.:b.p5n 5v2foe bnusabserving screen is placed 2.00 m from the slit. Find the width of the centrapof5au np.:ug:e2v5sj .bn 1b l 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 lisixo 12l*zj pq y4k1kj5h6b3unes per centimeter, its second ordersjzu5qx p1 6 bj3ol*y41i2kh k 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 betw1q 03,exw3ug5gpy tnmeen the central maximum and the fourth order maximuq t3 15,y3xnmeugg0wpm 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 /o,jdu e2mrg1z0uwn 2mm wide and ruled with 50,000 lines. The secon dz2e0jr1/u n,2o wmugd-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 produy cpolf.hu ,*1ces 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 maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second su.oy h,c *flp1ource?

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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 rulo+c dqiyd;w*itipy 9i2 ( e+q:ed on it. What is the angular separation between the second and the third orders on the 2cy;iw * qtiyipi9d o++:d(e qsame 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 into spectral hues by a grating. If the grating hasqsb ,v0yzp. e/fs37jg 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first orfe3pvq bz gj.7ss0y ,/der?

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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 first-order maxixx cdg06qn/ 4lmum occurs alcxg0x4dnq6 /t $20.5^{\circ}$, 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.dk/ltkg3zl +w-ty-m / If the third-order maximum of the diffraction pattern is obmyk k+t- zltl/g/3wd-served 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 norfiif(9l 1 vwuv2 (sos9mally on a grating. If the third-order maximum of the diffr1v9wfo9 i( lifsu( v2saction 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 end by a as m)rij l*0hir::a :ostrand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 60:h0r:oij)raiml s *a:0 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. ; h 1a4bny6147fkhtpjivu1 rq What minimum thickness of this bubble will ensure maximum reflectance of nov7h1 rqtfi46k4 bn;apyuh1 1jrmally 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 illuminatee8 e p5fro y-yb;05cets a soap film ( n = 1.33). What is the minimum thickness of film that wyy peebf rc-0o;58e5 till 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 thickne s2slty435- j8gvhoc sss of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for-tl3 5s4vs cg ohjs28y 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 uwnlr99 n(,pyanpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer i9,ypr(wl9 ann s 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 directili20isl :kd+a6ywqgx 23j5yx 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 piece of p2 4xksxdl/*vyd 22qpglass at an angle of dlskqx2/dxpp4*yv22 $57.3^{\circ}$. 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 pf :et9ohs u(n3olarizer-analyzer combination. The transmission axes of the polarizn h :9f(utso3eer 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 Moonnqrx4/)* ;3 guxcr bcn when its image reflected in calm water is completely polarizu)/ 3xb rn;*crqcgx 4ned?

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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 andupa (oj:tv/v8 9i4zxs then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What j(izo98s:upxv4at/ vis 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 reflecti8 z9(i8d fsujnng off a piece of z8 8i9sn (udfjglass of index of refraction 1.48?

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