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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 princth9,ub9 bi j0 :qt4cqmiple.
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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 f.*cnzlu7 v *vsalse 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 a-a )c0 s2e8ir)os:+z,wwwggzvlyl- is 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 .hbg:s z1/se pdg 52bqa 0maw;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 into a medium of 466kycxy 9yvon1 pow8 different optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm),: e:37 blb+yfz. zquir originally traveling in air, enters a piece of glass (index of refraction 1.50),q. e3bib zrzu::+lyf7 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 =g*m 1 knp*m- hwcrue. lr(+i(p 590 nm), originally traveling in air, enters a piece of glulrmcg*e *1n phi pmk.(( w+r-ass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsibl7/p;2ki/lpddh j s+ g,b xetn2e for light spreading as it passes through a narrow sli ig/ pd,t2dhbpxkn7 2l;/sje+t?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted by large objects such as buildings, whereas light is 79j1wm. y1*oqp -tls xsx2c a9h6zuxw not noticeabw l1wyxop7-usmah9t q 6*2zx . xjc91sly 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 alternatin l .bbnnnc s5boox43*qi 4jx)5g light and dark bands when light passes through t b4sn5b 3i5x.xl)bc*nj oq4 nowo 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 coherent if th:,g e mim3+n3x;h prqpey

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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 scree (9t8y +a uefvqcg de,0qpiq:8n are in phase with each otheig dq8q:p9yee vcqu af(,0t 8+r?

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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 t9w5 h cp/ivp6ch0qcwae rb))4ravel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the4hv /c6 pac)e c50biqw9h rwp) two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. If the zkq((n6-aw mj ma7urm bs )9h3maximum destructive interference 7z)mu jm (r6aan9mw-k (qhbs3 is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central brv ooq:xp,0i s/nvn;u /ight spot in a double-slit experiment, light from each open/xnonp0v ,v:q/ s;uoiing 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 i; g ;k k*ogztl7i+t d7z0nyo4a double-slit experiment, light frt*gl;dotizky;7n 0+z74 ik ogom 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 g wdju//w )jv1central bright spot in a double-slit experiment,wuj gjv)dw //1 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 slit5obk.(cdpr0;8uto tr experiment, if the separation between the slits decreases, what happens to the distance between the intertro5du rtk;.(o0bcp8 ference 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 experimenl s (zo5*ui k3pwbddm4 2ks6j)t, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance*pdms k l5bij42u z6 kowd3s)( 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 pag8ny6 ymzt2;s5t- /cb /qbbjath $P_1$ 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 experimdh mx jibqe,2.wb3ly.jgre.)o0cs l 0/8o ef 7ent arrives at a point on the screen one-half wavelenqc2 d/.bl .joge3yh0bse)rlij wxeo m07 8f,.gth 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 inulf9sk d+ -8lno gs3u(kntm7 .terference fringes in a double-slit experiment if the separatiokusl d +-gn l(o.73sm9k8 nutfn of the slits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacentxajn.n5z(*qtgor /d+ - vd s,r maxima in a double-slit interference pattern using monochromatic lighar.(n/5 vsqdo* j, rx tdz-ng+t 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 wr.*-q4 uawk)o* *yrsct6 ) 7( o prqhygruf9djhy a prism separates white light into different colorsp*ky*q*4rd7 hr yj rurfw aug-.(o9tcs)6 q)o 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 allkxyt2fe2 khnilc,v xyw -k8:,,i7 xl )ows 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 400 nm is cal17).fx)x qyv;we ztshled

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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 lonl,mgy bh-,fds4is8m3f5 dg3vger 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 greatest refraction when passipe 4ym (bw4 i+v/dz.dpzqz8 1kng from air to gla/i(481qbz p4kzmp + evwdzd.yss?

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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 refru6mv2wkfj8a8egot2q g h1., taction when passing from air to glassqte 81 26tfgw.m8 a,gu2 jkvho?

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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 ingy iz,6 h u-ado(a2fj,cident on a thick glass plate with parallel sides, at,jaa izfdg(-2yo,6hu an angle between $0^{\circ}$ 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.s l +ao;y b29uroe82)2zsqo cs If she now holds up two fingers, with a very small gap between them, and looks at the light sources2ebrqa2 ulo +czs9so28;y)o , 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 diffractioxc hc 8v.mtl2yyj: 3/b 1 mjx8x 2(fwp3a0fzpun experiment, if the width of the slit increases, what happens to the width of the central maximum on a scre wb2c3f/j pcvyz(h2f38ym0 a1xjltpx m:xu. 8 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 4000 lin4445 sciqwx.3gk xbdfes per cm and the other one has 6000 lines per cm. Make a statemen 4sf5kbg wi3x4.dqx 4ct 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 diffractrx5.- wxd6fa aion gratings with the same slit 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 samedxfrx-a5a .w6 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 s p6/78 e,hgi tuob./ bx/wmizdlick are 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 monochromatic light waves can interfere constehel 7)c+wjh/ +o8jn,rf(u onructively or destructively, depending on their phase difference. One consequence of this ju8 ejhwo h)7lne+,fr on+(c /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 air boundary, ta d( -ylw9lb -hiu/gjg x*s0j)z14puxher1p9(j -xzg-d0 /4bs i wjg* )laluuxyhe 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 reflectewrn)f xp x,:m3obwm0 n5v,d8e d by a glass surface, t3xm,wn w80xfv)r,op5de nm b:here is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As thetog.zr78d hdg0 bk-2v film becomes very much thinner than the wavelength of blue li0dtkh8zd.o7vbrg 2 g-ght, 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 mfz*t8fy 7gg1pfyn**i6da9hnj 3l7 pdinimum thickness of magnesium fluoride coating that must be applied to a glass lens to makedl7 hz *gn9ntyf18gp3ja7 6ipfyf**d 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 prz k amit54op55 ;;sq+mokd8 and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. 5p kop;4maqor5 t 5szkdm;8i+ 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 sunglas8ig..b a5xcp gvb7 lfpj1f m6:ses can reduce glare. vmpgfla j:875gi6b.fpx1bc from 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, t1k* stonrw2dglr8 n6,he direction of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichropk4j2fe ,3xbr v51 3 j5gftrdlic material like a Polaroid f34b, rg3 dpx tf lr5vj51jk2efilm?

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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 - mmtggvk5g3k gq*4g2Polaroid films are perpendicular to each other, what is the percentage of the incident light w2 5gv kgm4qg*mg3ktg-hich 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,blc+bbmpon , h3; qm9 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 su3w dnm*)h-:jkz 9y9 myddikc,;dx 4rk1 fg) zsnlight 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 difz* pht*wx5i f6nzq8v1 fraction 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 ap8 jn gx)2k mgu)f92spzpears to be more blue toward the zenith (overhead) than it 282unzgfsp)9 jgx )kmdoes toward the horizon. This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacu /tm3u 2b)8zc0pr0fvznf azp5um. It passes into glass, which has an index of refraction of 1.50. 00r8bmupa z23t/z5 pfz)nfv c 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 glass, which has an ind67oqpap iy*im1*xog ;ex of refraction of 1.50. What is the frequency of the ligh7o6 apyqi o*1x;g*impt 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 nme8j4 jzhrl6b9 hrn,xk7r.pp ( in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light in thjzb r (.xp 68hh,94n 7prjrleke 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 vacu/j 0zw0,gx1)d6opjhjh wl 4)i3eyvqd um is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is pkkw0b*+ji1+/ fas r. .w sgnufound 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 found to 60dpxzxtdl 2*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, andj 0l pelu+u 7d5ns0x0k produces a fifth order interference fringe 7n0 5ul0d js0 kp+eulxat 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 double-sli9f 0)aubgx qixu) 7jidc0f6 h5t and the third order bright fringe is s 5gx6ia)fqux7 j0b0i fdc h9u)een 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 separatiod4bh:s1i0 ((f dkxjq mn between the two slits is 0.050 mm and jd0m(b(qi1xkf4dhs: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 separatiorr-c ex)a:q87 f9v vmzn 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 m:a z)x87qevv 9rfrc -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 634nl/w7 beo(w/ k:*zqld .yet- m nm falls on the slits. If there is a screen 6.ly-wqk teb:w l7dm.e( // o*zn0 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 isw*),; dav okpr incident on a Young's double 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 o)a* wkrvd; ,pbright 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 t2yn;6acn bl5f wo wavelengths, 480 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 700y;f5 bcnl62na 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 (wavelength 480 nm) awxq(pauut:2s,, g j8 znd red light (wavelength 6asu,q82wu(,x jz g tp:70 nm) is incident 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 0.20 mm. p*kl2e1w o td.bjhk:1 What is the angular width of the central dife1l.b: po jwdh1k2 *ktfraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by lit3-em(l(g oqs dw(h:i.tfz4nght of 550 nm wavelength. What is the angulazsh(int(: m.o g43-(wldfetqr 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 nm i.lutqr),+ex 435qodyda o d:q s incident on a single slit 0.75 mm wide. At what distance from the slit shouqd3to)y4 e5daqrq : +dlxo,.uld a screen be placed 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 nqt kucqw:9w 8*,-ekf nm is incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5q8w :k*n, cwkt uefq9- 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 bk/ g b*2ke3jr( (e-5vscjgh zslit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. j(* /2kebkjezgvhgcb3r- (5s Find the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is ict; ibjs ce970o*5lj nx1 *lnqncident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the cenx e7ln1*c n;jq ti5cjos*lb90tral 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 ordey.+/sb d/ irvdr maximum is avb /sird/+y d.t $62.4^{\circ}$. 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 betw+m )n8vmw;ytueen the central maximum and the fourth order maximum n8my;tu m wv+)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 onl*o5 ivd+ 3wim a grating that is 75 mm wide and ruled with 50,000 lines. The second-order 3*5wd im li+vomaximum 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 wavelcgr6/(fc4*vl k g 3dxsength produces 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 diff3 l6fs(/x gdkv4cgr*craction 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 ling eij lj,xe,; xhhd bxd:nu)0uc:u7:9es 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 of light of i hud:9 ,gx xju bj)ld:ee70ncx:;hu,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 hu lta 9(-8z idjpioa4d3bc3:bies by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in th4o9i 8( :3azpi3jbbi tda- clde 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. If2wx e bl3sjv -k1: 8rqv,q9qhz the first-order maxiwk12q3vj-,e qbzvxh :8qrls 9 mum 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 incident norm,enrzyuq2 i9xnwi9 m g+;e2q+ally on a grating. If the third-order maximum of the diffraction pattern is observed a,y+xurg wq n; n9e+2eq zi2im9t $32.0^{\circ}$, 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 on a gratingyjrx.wwpfsp52 .o -4ey1ze8j . If j .xyf. 2rpzjeye81 owpw-s45the third-order maximum 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 fruc, g5*fu 5x o : fuucefe0vf yk5s3j5uh(6)tdom another glass plate at one end by a strand of somes5d 3yj0(u f)okeh56,gu v:f 5u* xucucf tf5eone's hair (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 refraction of 1.33. Wl .- g5/orwgnbhat minimum thickness of this bub/g5wgb.l- no rble will ensure maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 5xvsol7f ccg w 24/7)w7; zfgnrd-fr(ll hi 0o,00 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will )cfsi -o7;wfgll07/hv f4 g cworznl7 2x(,rdgive 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 t 8/ag:1*7cibu.v;ml v ebkwgchickness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 501kg /lb*v c:i7bcw gve mu;8a.0 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 unpi.fi a*8qfsj )xrt7r 1olarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam w*.sr1tiax qi8f 7f) rjith 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 prefer+n7ljyal a8p3)wl8 ewred 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 glass at anccs++k vyhlx 4no p)ws 9q ne.;++q8ti angle of xw pe+9qoy sci);hvn. 4l+n8+ c+kstq$57.3^{\circ}$. 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-analyzerd 5vfqtm3t(0dcp a fc 4h0x fd8z:,x:y combination. The transmission axes of thet d(yzt:4 x ffpqcdf0, 5mha3dx8cv:0 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 imag2b b;*p1f 2rwd*kyjc-*y pusae reflected in calm water is complete-; sayk y* 1rbf pcubpj22wd**ly polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes thro icwh e1q/33tigq3cym joe4 /v:y7 ot,ugh a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the i/gw3i/qj1eeytch 3y 7im3: t o4, covqntensity 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 a+)9 t) s+pj4gz :rsglw7e vvhmnd reflecting off a piece of glass of index of refraction 1.48?+s s)rwt+ lz4g9mehv) pj7:gv

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