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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 princip4c2zkbua*foswr; b *;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 false statemin( wee6a vu oz.*;dd/ 7auku9ent?

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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 il *nwz 1m:fn;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 ofuk t t j6obfk 6r6;d35g*bj)m*s,mziu 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 int+iyl53llab (q 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 -zk+ajclgh9 mbsw8vdkkwx3 /uc 8)9*= 590 nm), originally traveling in air, enters a piece of glass (in)9m8hsl8 kjzgwcw+ b-3x c u/k kav*9ddex 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 traveling ic,l2 xcnh of09n air, enters a piece of glass (index of refraction 1.50), its wavelenghnlxo,c fc 209th

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is re h x,6em.kbz *2qj9kjlsponsible for light spreading as it passes through a narrow sh6ml.,k jbk9qz j2x*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 diffraadp -ny(ureyyd3j 5vtc 6f1;6z 6r8jccted by large objects such as buildings, whereas light is not noticeably diffr a6yc5(r df6 -8ty 6ndzvujc3; rey1pjacted. 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 alternat)bqr.y t a,7gning light and dark bands when light passes through two or mo,7t ganr.q) byre 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 t.qkm pd, 5)meto be 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 pq7k/1qqb 89y wyfk-xohase with xk- /9qkqoqw7y 81fybeach 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 t13yjegk 9dw96 gzw/0d,0lestfe *lo*v q6 ufdravel different paths arriving at point P. If the maximum constructive interf0kw361l,gu*fq9 lj f 9g /e*sv 0zededotwd 6yerence 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 poig3eiv 85 hqoor c mapp-j;76z-nt P. If the maximum destructive inp57geiaq-ohv-6r o mz;3jc p8terference 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 kh *adx.pe7upqz.mrj+, 3v7zon either side of the central bright spot in a double-slit experiment, light from xzq,p7ek h*r7adjpm3z+.vu.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 onol sw2zw r/nr:i.t9af;n6z :j either side of the central bright spot in a double-slit experimentarj z.f96:w2 szoril:wn/ nt;, 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 central bright spot in a double-sx -v f6(:qjj/ jysp8wvlit experiment, light fromyw (j -vjjxp/:q8 v6sf

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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 experimenful ,+bj9 muko8 nv(ke./hzm-t, if the separation between the slits decreases, what happens to the dista,/9.b-+ 8mnolv f ju hke(kzmunce 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 hnq9wl3 o+g 0yis observed that the distance between adjacent mah qglonw3+09yxima 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 travels pat i,v+7 op nzterf cofae88,)r5h $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment arrives d (lmzj. ij84 -b.7tsgx grcv2at a point on the screen one-half wavelength bec(j g.7 xrl8g tm-bis2 .dzj4vhind 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 impos2w-abln ngt d+7sos1*sible to obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of thendn-s*bl ogtw+ a 1s27 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 inte(pa .ckfyowlu )9+ueve7r 3g6rference pattern using monochromatic lighuu)r y9ag3c.vpw7 k fol6( +eet 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 explro2s wz7ch.1i ains why a prism separates white light into different colors i1sr2z chio. w7s

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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 ft.m ag0uoc*s l os5w0i:obl 43u g*m2rainbow 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 4000ef*vw ))y l;lpdirx)ewxt/( 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 wavelength5 oyxw2q3p t*m slightly longer 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 uncjw1 0)t+l 2bzrxff0e dergoes the greatest refraction when passing from air to glar lw)+zj0c1 xf02etfbss?

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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 0o93jd zjmfb6. (ule qrefraction when passing from air to gm(3fl9 6qojeuz djb0.lass?

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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 x8 vi::xi a s33ybh(qdglass plate with parallel sides, at an angle betweenha 3ixvbs x:q38(:d iy $0^{\circ}$ 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 tkpcg dh a h49amk;;y2y11rea+wo fingers, with a ver;erhk91h +;g 4ym 1c 2apkadyay small gap between them, and 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 experiment, if the width of the slit/q4gwah5 r1+ gy s ujx-ajd2 kyr08+mr increases, what happens trqsyk125/- ga y xdg8r wj0uh4+rjma+o the width of the central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines per cm and the other one uhs5bm, bhl)7has 6000 lines per cm. Make a statement comparing the dispersion of the mh 5b, 7us)blhtwo 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 w:d fxz7.so,ys;vm4yhlqy/n8ith the same slit separation, the only difference being that one grating has 3 slits and the other 4 slihs 8ms y;l oy4qznyf7:/d.,xvts. If both gratings 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 reflection aeq7 va1uyw9:vnd

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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 inscpy-m px, :(sterfere constructively or destructively, depending on their:pxp s c-(yms, 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, strike ou9:ddj( op4ps an air boundary, there is(pj o4uddpo9 :

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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, whic2/6.qopwpp.ep g0pic h is traveling in air, is reflected by a glass surface, there 6/ocpi0wppq2g.p p. e 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 v -l1fd : ab63ekznfhx0iewed in white light. As the film becomes very much thinner than the wavelength of blua-6 xfeh:fn d01kb zl3e 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 ligf// ww(srt* lkht in magnesium fluoride, what is the minimum thickness of 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(t/*wws/ rkl f 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 y3)sm 3nn1j3z4da vd bglass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What d43ny3 3vd)s1zbjanm 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 su.ls-m ek+oby .*ofxf (v7u,r cnglasses can reduce glare fr.f-o7k u+ cs(oy,evxf*.rmbl om 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 polarization is defxp:fo7; .v,nx g)+z0sqzvaz g ined 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 magg kn+2dh1g1ftt1b( u terial like a Polaroid fig 1h 1(fdnkg2 btu1+gtlm?

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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 perpenrevoq82 h ri tx2+i41pdicular to each other, what is the percentage of the incident light which will pass xotrq12 e+8 p4vhi2 rithe 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 fromjm-c- kqodu ;nl*6hnq /ahvc4.)c vspa,/o. b 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 nk4bx3.0,g *1-r8lr asjw +mig jfggzgreatest 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 exhibio0/69eld9 guutv;jx9lds*wg b sk3j-ted?

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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 too- o 0 v6icyhjvk-.;hb68xlpe be more blue toward the zenith (overhead) than it does toward the horizon. This occurs-p .6bl-c8 0k6 v;o jhieyhxvo 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 passe) fd0vgyr :3)t8j vokbcuk+t5s into glass, which has an indexr:3k 0 d8oc5 jv)bk gtty+uv)f of refraction of 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glasc1z qtrbe( //ms, which has an index of refraction of 1.50. What is the frequeetr/c/ (1mqbzncy 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 nmyvzql z.p;phl wb49yx8j 5r( v/i,x, vc; ,rkl in a vacuum. It passes into glass, which has an index of refraction of 1.5l9k /py,v58;hz,4yz;v icb l lrqrx. ,wvj( px0. 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 vacuum is founa :2*b zdx2gdmd 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*waa/w)qn *ct is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is.u: n)il.sufs 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 slits, axf z6wf3 y3ef5,ss)gind produces a fifth order interference fringe at a6 zf,3ei fws35fgy) sxn 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 double-slit v5z-1)wc;zksgo uk q2and the third order bright fringe is seen at an anglec wqkvo;2)gz1uk5-s z 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 experimen e2r/4zzd u.nbawe5,qt, if the separation between the two slits is 0.050 mmdb, zzree/ 5qwua2. n4 and the distance from the slits 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, - kcvo vlmma3),1ab 0fand two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed )c mb 1o3k0av ,lv-fam2.0 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. u/kxjbw :gt/4 Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m /xu:w 4kjg/bt 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 th, /9ojits; g8e vvqcv;at has a slit scv;gvt8, qsvei9 / oj;eparation 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 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, o*l 0dps+5d5h; eblzi480 nm and 700 nm, strikes 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. Determine dol5zl5;s i0 p*h e+bdthe 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 f6 sb,uv /waa9(wavelength 480 nm) and red light (wavelength 670 nm) is incident on wa 6v a,bus9/fa 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 z / gv8/6mwu:fga3lgt:e w g2fof width 0.20 mm. What is the angular width of the central diffraction peaate: gv g/flug3w2/z8 mgw:6f k?

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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 bg-a-/ d:g7+wah jljfxy light of 550 nm wavelength. What is the angular separation between the first :jg-g jhalf7d-a x+ /wtwo 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 0.77af ;y lgb:ow35 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 fw7fo gl3ba; y:rom 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 tg)y k u2mb wlq(:x3czfdb)wm2-,3s a dhe diffraction pattern zly2 fdm32b3 -b)(,kgm da:swx)qu wcis produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. dw8lo+8ccrz:k pue1bgpn9) 7An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fring:w9plund78k1g b)+o 8r zcecpe 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. ywp y -j ,t 7+fqlj:ylxpi.e28tjp0*cAn observing screen is placed 2.00 m f,c :0t-wyeqj +2p7lylppjt8i j.f *xyrom 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 cey bae 4aaok*77ntimeter, its second order maximum iboaay47k*a7 e s 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. ;lmxq- o*/px pgy0grq8c6c h2ayq4/pThe angle between the central maximum and the fourth oocq;apy p -rgm2pxqhx/q */ c8y0g6 l4rder 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 ruled wi4x9j 2q0rlydi th 50,000 lines. The second-order maximyljq4 d0 r2xi9um 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 pnmz/)b+9zteby k0+ l8qx i ou+roduces a first-order maximum 0.350 mm from the central maximum on a distany0 bbn/k 8 exlz+o+ )mt+q9ziut 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 ruled on e+vl8,b yeg x+cczf;3 it. What is the angular f 8e l;gy3vczb++c,xe separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of 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 specp7/gm2;.te bibfjl d(tral hues by a grating. If the grating has 2000 lines per centimeter, at what angle wil bl(ftmd 2g7i;eb/jp.l red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate a grating. If the first- wx312h.bhovc order maximum occuov .1xhw3h2cbrs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a gratwexcm2*g) gfzv /taj0t sn/0: ing. If the 2fgv/0anx0 gsmet/t * z)jw:cthird-order maximum of the diffraction 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 wavelength 500 nm is incident normally hr/3t(n)scl)eperh mia ( ds3n6;9iwon a grating. If the third-order (s)cieam63s; )tnw93dplh/ rhe(rinmaximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glass plate at one end b1vfp/f/ 5 pbx4k k9 ga1fkwrn,y a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed withxf1vn fpr941bfw /gpkkk /5,a 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 inde1:6in/6b 2pb izxi1qppmh a6n x of refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength lighmpnb/x:16i2 p nihzaqb 6i p16t?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). t 5 dn d1zqoq5jn:d9bj*9rl:*ql of,a What is the minimum thickness of film that will qndo :n9q*d zo95q:fb,jr*d1t jl5lagive 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 thicknga uiivf4aqfr/*ywq kr bx(1mmpm-4,s a 6*5.ess of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500*wu p .5ama,(vg44frs qf6xmyq -i1ibma*r/ k 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 inyxug5h heo,lv:s- k, / a beam of unpolarized light and the intensity of the transmitted light is 1 : x5l-,he,vhuk/go ys. A second ideal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its )nnc( vd:0 9eomlw6 xhpreferred direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of ttf6tkiu :yb ndqeisgmr/(7q1; .9 t. glass at an angle of 9/d :ineit;( mtgfb.7ursy t.1qtqk6 $57.3^{\circ}$. 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 pol)cnaq: wi*2as f4h5cca0b3 telct0 3 uarizer-analyzer combination. The transmission axes 0b3ac a c*2ci5 tut)hlf0w:n sqe3ca4of the polarizer 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 Moon when its image reflected in calm walh;zktm0.di+ vs5 1b-mwf3mvff+5 zbter is completely pf-m .khtm5;1bfbv m dzz+3i0l5fv+s w olarized?

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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 anhacv 3a:h l*knhba w37*l3 t5qalyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle3b3 5ahta7* *wnh q:a 3hlkclv 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 reflecting offh;2y/es pruj+22wydrr ( yp 1l a piec1/+yerd2(pryurw ;l2 p2h ysje of glass of index of refraction 1.48?

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