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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 princicn. 5zbqm.+(4zl7 qrf)z mlxpple.
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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 1tvh ijhodwo1c)a+b ; w 4p)3gis 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 a4dr.smot:, svqwz2i3 l un8p)ttributed 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/8l6;qa xavt:riqw*z 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 ente225gi e 6rsg8a6jmlfrrs into 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 = 5.k2f, vage9hrwd gv,jha/0d e 0.l:xp 90 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its f9wpravh0f0:eh /x ejd,l..ka2d,vg g requency

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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, . ,eg+yv7blknenters a piece of glass (index of refraction 1.50), itsng,e v by+k7.l wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes n2kjgf,gx taj,w3;fk--l nqxtw+h 3y*,a t4hthrough a narrow slitw,- w,yxa f3t -nkftt2kxhga4gn jj;h 3 ,l*+q?

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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 ajn1nq4qw6u o 6s buildings, whereas light is not noticeably diffract6j qq6u1w n4oned. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and dark bands when light s:7wr/dxbf 7m passes through two or more narrow s7sf/b w7:xmdrlits?

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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 theqe-5 ummue*c1xxw;7 a(zjv 6dy

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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 5rf+mw c59xfcare in phase with each5m+5f c9wfxr c 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 travel dicjv9ra3* pi9 i./ ilmm3te5cvfferent paths arriving at point P. If the maximum constructive interference m rm/i9vvc3ita53il 9pj e.*c 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 point P. Ikn1/ rsy l6;pbf the maximum destructive interference is to occur at sp ;rk16nyl b/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 in a double-slit;.p0fac1oiisui uf+ w)d19bs experiment, light from each ifupw1)+ .u;s aicdsob 9fi10opening 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 eit cptf9gulyk * wvl.y)i96 7ypwbu,/g5her side of the central bright spot in a double-slit expercf6/9wb 9yv gl7,uwypyp)t*lgi5k . uiment, 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 cenn). iu t1p/v0vb0wbqrtral bright spot in a double-slit expenv0.)tuw1vq 0 prbb/i riment, 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 bety rfcl. u*dy*2ween the slits decreases, what happens to the distance bd2u.**fy lyrcetween 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 observe8a j 8ith80ksc/il)z pd that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima 8l/hzp 0k8)jsc8ai it 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 path g:gxo(g 36t2jb2pwm rdhj-o /$P_1$ 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 se+ k ttk6jka;)lit experiment arrives at a point o)t;kkae+j6 t kn 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 fringoouf sqp)snu 30.8key 28ccpd 9kz88xes in a double-slit experiment if the separation of th eqs8 3)okp 9 yuu2co8 x.dkn0szpf88ce 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 adjacent maxima in a double-slit igxq 7lfmp:t my;n/: z-nterference pattern using monochromat;pl: :mnx-gqt/ymz f 7ic 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 prisdije1 7tc5pri0b) h/im separates white light into different colors i5)hr ci1/j bi7dptei 0s

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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 rainbpiw3 ct z,w:8f*s rv3tow 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;it n tfcpk d(z,y;f7 uz3xu618j,nyj slightly 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 tjf m-qdt7)74 x+zy:jld9-t7 p bmbkbchan 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 greajn8rz , hxqbia6*4pya3(q;b ,:ze zmqky7y,rtest refraction when passing from air to gab:zrzy arjh,m*k y;q4zp8,iy 7ne q, bqx6(3lass?

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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 refraction when g e xpez0g. .3nrn0pv)9fzf(gpassing from air to glasp9vxne(0.f .re gg3z 0gnz) fps?

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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 thick18u, h,m(zked zmsm5dp6za+a glass plate with parallel sides, at an angle between hz,za( s +pm5u1z m,6kde8mad$0^{\circ}$ 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 nop(sy,bw)tybm8c:iw (e dj w(:ekg b-9w holds up two fingers, with a very small gap between them, andbeg:-b )dipy (bj (ywts98cw:,em(w k 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 increases, w mi)q2v;e)r ewhat happens to the width of the central iqw;))mr2e evmaximum 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 diffract j1v+s- oos;bqion gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statemen; jso+1vo b-sqt comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with t 8u)276zghxi h7*i+ jfjd;6ptvnq hiohe 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 hhvhu 8jdo27zp 7if*iqn)i6xt+ 6j;g 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 slickuhcmc h- tal8c- 62 a;+po4nybmhh,4k 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 interferr2b gyphb ub 2)b8voql714)ale constructively or destructively, depend)yq2bl7a2bgl8p1o b)vb ru4 hing 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, strikes an air (rp 0)u/6p5wbir jzxy boundary, therezrw5iujy0r( b/)xpp6 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, y7bnbz wuh24n2h+e t (zr b0b*is reflected by a glass surface, there n(z0b zb4eh+7 ru2hb bt*2nywis

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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 the film becomes very much th1y n+cj l*tjk4inner than the wavel1*tyn jk+cj 4length of blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in magnesium fluoride, what fdsv;i)+nkzhu3,m5 b 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 and air.) m i vsudh5f,3)b+k;zn

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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 owoszq83t - hr v383pnand illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate ar sqwpr3ov3 zt838o-h ne 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 responsibl ,u*l 8wrxbxxp3g rc47s:: hyxe for the fact that certain sunglasses can reduce glach,xpb3x* wl8y 7ux:xsrg:r4 re 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, the direction of polarization is definz8g f r76 +f3cqsw5dkqed 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 tjfz k c4kmed;..v6:fdo obtain polarized light in a dichroic material like a Polaroid filme.j. d:kmcvd kz4;6 ff?

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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 perpenjbej7z -*)nv ddicular to each other, what is the percentage of the incident light which will pass the two films?-njb*)7 zedvj

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from - 1fcvtkxz59 ;btp go nxq0:uv*;jj g8the 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 grea)uj*48gk99.b mt4ztn hi yrgq test 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 32y uc,s jks4/awhmu4is diffraction 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 blue toward the zenith (overh-jlu1:/xs up8i rng3 head) than it does toward the horizon. Thu/u3nr-sp1x: 8 hlgjiis 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 vacuum. It passes intot iu8ti k36a9zcpqe(- glass, which has an index of refraction of 1.50. What is the wavelength of the light in theztk 3(aiecp iu98q-t6 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 ni.jn u6t arv7+m in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside the glass.ria6jn +7tu v?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, whichhs) zqm/l b v)lu2un*1 has an index of refraction of 1.50. What is the speed of the lihsn*) mlu q/1vubz)l2ght 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 found to tral4ql/w2bf)7txj(jl f2j 0tggvel 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 t ;mbr0 vkbn*fsu/6l3so 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 5503)i0s zeunoo* nm 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 apanq jx;6tc/:.;e t u-rgoy /isvrt. Monochromatic light falls on these slits, and produces a f;/y o- s ri6cng;ju vtq.e:xt/ifth 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 nm falls on a double-slit and the ztwlh1 5s/m- jthird order bright fringe is seen at a5t1l-/zsjw hm n 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 ex5a:/w/hie9 vz+3zd.jmsteg ucw4s 9wperiment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-order and5we/ a9s. mgjuzz : 9+s4 icewdw/htv3
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 sc)-vm ph.0ib5 l8 l4haqoy3fs eparation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with f5y3.i4v )8aps0ocl hbmqhl- 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 634 j,qoa4mz1 /yr xu.,doak6xw da+2o 2unm falls on the slits. If there is a screen 6.0 m away, how far apart are ar4wdu qa1zodoaj2yux m2 .ao, ,xk+/6 djacent 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 gvhs13ulz(b5chz*3pdbkw +z64vc0r 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 bc zc+wr54bv*sgdv3zz6p lhu(h3 10kbright 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 wavelengqowd,m)fls2/s3 vw-x ths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of o3/ls ,dxsmw -)2wvqfincidence of 60e. 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 blue light (wavelength 480 nm) and redb1.l5nbl i *;gybow u3 light (wavelength 670 nm) is incident on a thick piece of glass at ol;uybnwg1.l 5*bi 3 b$80^{\circ}$. 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 mgkd/3it;m2g; yg) mll m. What is the angular width of the central diffraction peak?); 2limltdyg;m3 g/g 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 g2n ub0ci ,95o;54 mogxd ssmoby light of 550 nm wavelength. What is the angular separation between the first two micogsu;s, mmd5 o 95b0gox4 in2nima 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 widgu9;wsh3g.h ye. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pahs9h3u;. ygwg ttern 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 2f /bjpla2mp9 a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the sl9laj2mp2/ bpf it. 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. An obser9d8ptksae2r:uz (v +g ving screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the pa:z9 k8stgeu (+v 2rdscreen.

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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 m3s4r -drv ej7fxxnq 0-m. An observing screenx7v-0sdx qf4j- en 3rr is placed 2.00 m from 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 ordeqf kqjgr,.yogy;z 13 *r maxi og j*,1zygfr;y3q kq.mum 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. Tz8ky*+fct qzm( -2s rdhe angle between the central maximum and the fourtd yzr+mzq kt-f*cs 8(2h 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 ruled with 5 j*rhvpvh(1 ;wk*eeh 30,000 lines. The second-orde;vvpk1** e h(w r3jhehr 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 pl 5d (5ajf6m+wx .*vulr2lj hwavelength 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 diffraction grating. What is the wavelength of the light from the seco mjf *rd6.w lxjupvll25( +a5hnd source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating9zbc5d9 j,ngx has 6000 lines per centimeter ruled on it. What is the angg xzbn c95j9,dular 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 spectral hv/+ny.5 8rub npvo9ot har;2dues by a grating. If the grating has 2000 lines per centimeter, at what angle will r8 hu d;.rovya ov+n59b/p2rn ted 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 calibratet )9(u dtz(lpx8lp s-f5q4zm j a grating. If the first-order maximum occurs a-xt)j l4t(l pdpz8m5z(q 9s fut $20.5^{\circ}$, 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 noray5y eehx4ub (s 4+ blh;q)a5bmally on a grating. If thexyb5bua4h);he+y q(lb e5s4 a third-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 ou luu9cyqjstc 5tz5;( pui9k a*29s i6f wavelength 500 nm is incident normally on a grating. If the third-order maximum of thc y;5ua lz 929tsju*kui 69ptiscqu5( e 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 plzoit r40 xj2rll4l7vtgx -+9 6p ov8g,dc6xaaate at one end by a strand of someone's hair (diameter 0 v76ix 940jxov , 2plg- gtratxl 4ar6o8cld+z.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 omi9uh k qjd*.)f 1.33. What minimum thickness of this bubble will ensure maximum reflectance of no.9uqmh k *d)ijrmally 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 35ch d: gizi xv30a9-y8ixclk srq,o+film ( n = 1.33). What is the minimum thickne+3zc:0hdyq car98xos i5i,x i-g lv 3kss of film that will 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 thickness of a nonreflecting6y z leip+mm;q( 5t j(dsfi+k5 film coating (n = 1.30) on a glass lens (n = 1. 5y+ 65qe tf(ki l(impsmz;jd+50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized light and the intensity o71ts 6uhz(sul f the transmitted light is 1. A second ideal z ulssuht6(71 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 preferred 8fvexxh3h1r. 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 fla ares+1t+*mtnt piece of glass at an angle of tn++armtse * 1$57.3^{\circ}$. 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-a0 h.o4wz o4ydknalyzer combination. The transmiss4ho 4okywdz.0 ion axes of 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 calqpv ow2ywy3 x976jt4em water is 4wyt67wqey 3 9j vo2xpcompletely 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 through a polarizer and then )qnbin)wwm ,/ an analyzer. In this process, the intensity of the light transmittew)w/i nnbq, )md 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 0;e2bu: bugsglight traveling in vacuum and reflecting off a piece 0gb s2b:;ue guof glass of index of refraction 1.48?

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