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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: 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 principle78ffrqj(r8r 8 4symkg.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followingk- jy4i 3nava(45jw cz is 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 attribu u g+b).dx+ec:meze5 yted 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 at-omd*c 6(x ad ums:a) 5teis6utributed 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 different optigt:1 ijz x)oi6cal density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in air, enters tvp wq6a96m ur; u *-.5owbonqa piece of glass (index of refraction 1.5oub6w.tq*v - ;5 rma6op9 wuqn0), 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 traveling in air, enters f,ums fje ocm83ft .12a piece ffcsm8ut3mo.e f1,2j of glass (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 light spreading as h,f 4ez;.byp ait passes through a narrow s. ;pa f4zyhb,elit?

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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, wher4b-t a i/dg*8mljagw2eas light is not noticeably diffracted. Whyg at-4g/b l2a8 dwjmi* 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 cl(o +tk6nc1;tyx d) ;pcvce.and dark bands when light passes through two or more narrow slit tl)c tcvyoc+(k;n cd 6xpe1.;s?

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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 be7 bwmwm8 xx3m7 coherent 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 phase kr5d:rqym y z1 nmfujnt/,- cm/4 8ko5with each other?tocu1 zm5y/ ,5y/kq8nk-m:d 4 j mnrfr

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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 po+fxnzxo0rl 07lp34 yg int P. If the maximum constructive interference is to occur at o nfr+700x pz3gl ly4xpoint 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 arriving5g;uzjpzrzbh3+ 3 ;dr at point P. If the maximum destructive interference is to orzzrg+h jb 35uzd;3 ;pccur 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 central bright spot iiopt ;cw5 4qf8n a double-slit experii tp5c8;owq4 fment, 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 c:*53 brmgw+mdd7,or-zxx s zventral bright spot in a double-slit experiment, ligho5- ddzrg3,sb*vx rm+wxz:m 7 t 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 centr r y7ic7tah+;eal bright spot in a double-slit exh7 7 tcy+reia;periment, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the slits decreasrnz7*b-iv3 nlnhk9g2 es, what happens to the distance between the interferen i9 -*bkgzn7vl r2hn3nce 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+. - ingk6,-pdcxvzjo8cxauuse t+ ,* distance between adjacent maxc+n,ixkxg s oe6dupj, *a8-z .+tc -uvima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light tr 5nop/ nepg45fscu(,d avels 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 ar-of(t d/x9j;v(ely mw8br f.m rives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that p f vmyr;mlwt 8.f-(9e (bdoj/xoint?

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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 dou dsa( tj dc4tp0+(an0 b/cxx:bble-slit experiment if the separation of the slits is less than the wavelength of the light ua0bn04cajxpx sdd:t (t/ b c(+sed?

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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 patternzh1fy+gwv ;pja9 *od9 using monochromh 1+dfj;pvoa9 z *y9wgatic 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 sepx t (yy+yx;:bshxf(yb.+9jlm . c /msiarates white light into different colorsc sjy s. yb;(xfm9l:/y.bhxmyi (+t+x 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 dpr:. x4e+hor1*blgx n7jj7bto 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 400 nm is 8ojgp-2mr/9l.o(v ridx yq; phpyk0*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 nte2w6+yoalm( w3 jad ;m 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 greacvlx/t89( g qysex4w 6test refraction when passing from air to gl x8/ (w9syx6tel cv4gqass?

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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 refractiongq ,9ofmc5)9ts w wk9r:-uoolvu:/lu when passing from air to glassu,9ot lkwow)cv5:/u: msfru go9 lq-9?

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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 p9czmz o 73+k*s pj2rrparallel sides, at an angle betweenp2kj79r3csz * rp+omz $0^{\circ}$ 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 fpx 3rjxq* jndyl )cz3q7z 8-1now holds up two fingers, with a very small gap between them, and looks at the light source, she 3cl-*7 zdqn31 8qjxxjp) yr zfwill 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 i .dzwf2q2m( rwosvx--ncreases, what happens to the width of the central maximum on a scre. x2of zsq2mw-wdr -v(en?

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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 40004 jv+j1 z wbgn;r5+m m-tunt-l lines per cm and the other one has 6000 lines per cm. Make a statement comparing; rtnuj-wv4gbm1zj5t+ n-+ml 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, the onl jkiwh b6ua7- n;e-6o/lmcwt7y 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, wn7 ;k otbcamw-- 7j/hui 6le6make 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 reflecld+ 4usk7vrtzv,*/ lction 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 sw h)unv6ell86 y exoj,tz(- )constructively or destructivzel nl)v u6(seytw8, xh)6 o-jely, depending 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, which is traveling in glass, st,swu,ww pb9h :(ge d u7ueq0.zrikes an air boundary, ther(q w:,0 7uuhe pbuw,sg.wzd9 ee 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 gl/g amzorubi.h,urrs) n -0f6+ass surfacerino-uf+ h.)6sazurm/r 0gb, , there 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 view: fkds*gulb1 l328aahed in white light. As the film becomes very much thinner than the wavelength of blue lif d*al l81gak:sh 2ub3ght, 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 magn mzfz5 525oka v)mju(x2 sc-eqesium fluoride, what is the minimum thickness of magnesium fluoride coating that must bfa-xq 5sm5k(jez)2 2zovu5mce 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 glassr-cp7du4le, e plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one obsedc,-7eu4l p rerve 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 r.75an+ exdx, 54rgu(fl*fgmfcmzr2 for the fact that certain sunglasses can reduce glare froagm+* xf 45r2c75,frxmfgue( dr nl.zm 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 ,rnu2 3lsvry a: 6h-cwof 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 lighk1sv-x+9 ;jgc5yiw sr t in a dichroic material like a Polaroid f+59gc k-xyvsr;s wij1 ilm?

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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 per1tqzcvgag yc5bc ax0(b::03z pendicular to each other, what is the percentage of the incident light which will pass th( zy3gq: abbz0t5g1:ca v0x cce 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 sur-w;) i (cphg* tt*qzt3lz.3uyjtg/4q6 xdmf nface 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 great 47cz0dvu b6egwan2( uest 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 exhi/ /osn v5yf*eobited?

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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 zxmpio+; 6-ku tenith (overhead) than it does toward the horizon. This occurs bec6um p ;-i+okxtause

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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 i2pb(elpol2 y+ n a vacuum. It passes into glass, which has an index of refraction of 1.50. plbl22pey(o + 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. kh*upze 8 6b1zIt passes into glass, which has an index of refraction of 1.50. What is the frequency1u*ekhzp 6 zb8 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 glassz* vrt3uhph0 *, which has an index of refraction of 1.50. What is the speed of thehpzv* th3r0*u light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is w1v9ayjremu4 v8y slg;1/)p eh8 6zcxfound 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 trqc6o8m l(vqla6:qbl/avel 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 no+0ojsb lto-+ecl** hbuzy3)m in air 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. Monochromatic light falls on these slitaow sdi5k* ;/ns, and produces a ;/i*sawd k5 onfifth order 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 nm0ej+ti8rjm9f) gg: bx falls on a double-slit and the third order bright fringe is seen j9+rm t8)i0bjg:e xfg 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 h t5jpr2zol, zz01e s(between the two slits is 0.050 mm and the distance from the slits (2l50s ph1otze z,zjr to a screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, andfb:bdm;d 0xt4c p3+ld 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 coi x4b3pfl;ctbd :md0d+ncide 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 ligzw+zn rkh ,v/q +ie,qoy:q8( iht of wavelength 634 nm falls on the slits. If there isq+on h,qz : + ,qrizvi/k8(wye 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 double slit setup that has arkpof( vi3 (s,et* k(a a1v;3 uksd4zf 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 b((tor k 3;v*ifk4av (1kpufs ,e3zsadetween the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths,n ys2p (cx,m,w 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index oy( nswcpx,2 ,mf 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 (wavelenybkoy; zm;m7)a4vm,g- s d4g pg;uq3ngth 480 nm) and red light (wavelength 670 nm) is incident u7 z;mn)-qpg 4g4,s amm; ykgyd;obv 3on 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 0.20 mm. 5* bd /e(uduxb /apnfayr29) e What is the angular width of the central diffraction paea* pyb5)d u/ e/ bdx9rnfu2(eak?

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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 .hjr- n,m.g l 046*achbdexsa is 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is ta s .-d60 4,egxnraj.bhlhc* mhe angular separation between the first two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nmz+ns8p *qnrlx/g duc25 e)md; is incident 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 mzscq5dxun ;/g8) pe mld+r2*nm 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 m3 .pz 1lvzoc)e;,bqv2 lylvz;hqd /i8 m wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is1l i;el l)p832zy;ob/ qvhzczv.qd,v 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 nk2mykf s9n46h 3c dw/vm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the centf/6d 4k9y2scnwh k3mver 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 obsyb0go 7 5k1 3o e82i zyvejm6h)gh,mbferving screen is placed 2.00 m frobf, beh ooyhkg12 je08vi3)mmzg67y 5m 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 with 7000 lines per centimeter, its second orr yw a+wpu:;3tdey +p :wwtr;ua3r 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 betweer42 gy5/dy ilvuh9d-uo+(5km puka3r n the central maximum and the fuhmo+9 ua52yk(dy rd3u-/p4lkr g5 i vourth 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 ruledplh*clca+ ,l +w ) sjmh (c36np-s0ljf with 50,000 lines. The second-order maximum is seen ath )pp-s+ jslachlw0m,l+f36cl j c*(n $32.5^{\circ}$. 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 experim-vzts -jr iw9(vbc9o1 ent, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source p9s - 9ovc(jzb 1-virtwroduces 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 6 ilqxe2 +8 jtuj5,zjl.000 lines per centimeter ruled on it. What is the angular separation between the second and tlzqu.e, 2 xjlt+8j5i jhe third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. If the grati-wbl(ygbwb8obmx 3r4 lh+a 1wrdv/ - f6l.ge ,ng has 2000 lines per centimeter, at what angle will redgbl,wh yb8 a4wm-/(lrwlgfo.b361-eb x +r vd 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 first-ordeyt4b( eta mrf8i96ip jz (-(olr maximum occurs a( 6yfa- pb(ot48lrt9iimj ze (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 gratin:6sor xi5ryr.wi :y -cg. If the third-order maximum of the diffraction pattern is obswc 5r iyo6i:xr-y.:rserved 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 n(85c.qfak dv3thvlz)n ( l.dv m is incident normally on a grating. If the third-order maximum of vdnqlhcl . )(3v a.5dv k(tfz8the 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 end 85/ai)yam z/uy*mns e7 j2vatby a strand of someone's hair (diameter 0.010 mm). How far apart 5untay7yijaemvs8a/ )/*2zmare 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 9wl5,uc bmz:n thickness of this bubble will ensure maximum reflectanceb:9ncwu lm5,z 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 ic9vhizn+5d80 np7 jg/+d xtc= 1.33). What is the minimum thickness of film that will give an interferd9nv+jc+ 0c 8/5g d7itxpnihzence 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 thidsv 8* 2:/kyp+wpacm jdu9;ffckness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) y: p/;m* f vufds9cj28d+apwkfor 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 unpolarized lin .- fd:jkga9zght and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam wjfk:9d-.n ga zith its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred direction rotatedqdz6.d 82vqdchjt75 ej *eju1 $30^{\circ}$ 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 an ann uvoe7(0y a;egle of e 7y(veano;0u$57.3^{\circ}$. If the reflected beam is completely polarized, what is the index of refraction of the glass?

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88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Unpolarized light is passed through a polarizer-analyzer combination. The transm58spod mbqdo60myv)- ission axes of the polarizer and the analyzer ao8do6b pdy m5vs 0-m)qre 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 reflecteda9:5i kn35xfd r)hmk,o jiy1l in calm water is completely polar 1:jdhy kkfx53i,rm oa)ni9 l5ized?

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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. Iex p*7 xuj5yl/f/rjg7n this process, the intensity o p/jx/5y*fgjx rle77uf 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 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 vacuu 3wdxzcnn9i ) -qsz;q:k*qqo0m and reflecting off a piece of glass of index of refrasd09ozxnq*z3 qi; :q)q wc- nkction 1.48?

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