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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 princilt5fita 6e5r 37vn j/lple.
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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 stas cbx bsk 9e4;-xn5 kgt2i7on-tement?

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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 at: i7il: kh0mdq/q2wcksc m7 )atributed 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 isqwtb ky2a2j0) 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 x p/f lri.gkuie.a,, 8vmg+5i 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 = 590 nm),caekou3+,* *d,r . xanrg-vka originally traveling in air, enters a 3 +-c*vkx ega,ra u*nok,d.arpiece of glass (index 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), origin2q92rw-lgle nally traveling in air, enters a piece of glass (index of refraction 1.50),rnwel9 2 lgq-2 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 rwo(pmluq24p r /9+wwspreading as it passes through a narrow sli2(m4 lu+q/ wwowp9r prt?

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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 objects6/kloq2ppj4o fd7bj 9sq2 6nl iz7hs8 such as buildings, whereas light is not noticeably diffracted. Whd2 j4/oqf9hl opzj 2qisb6p86 k 77snly 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 aojeg s+moj) 3n5g5oy0 lternating light and dark bands when light pa 0 soggo j5j)3+eom5nysses through two or more narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be coherent if wlmrl k158fr2 exusbg tk5v 65l ja()4they

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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 /k wj61p )qh0o3oh/ gbts /itz7wthz: rays striking a screen are in phase with each othj)1 / hw30htzt wtpb oh:/s7q/i oz6kger?

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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 pathsy2o2tj)ax2b/m2d dojx+ 6os8j0oy i i arriving at point P. If the maximum constructive interference is to occur at point P, the two beam8/ixao0)d ji 2t mj 2 6sd2yyoxoj2+bos 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 paty669tqp:r u nths arriving at point P. If the maximum destructive interference is to occur at point P, the two beayr:tpq ut 66n9ms 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 centralx+wwd35sb,y* h jr l)gnyc op,2y/s-j bright spot in a double-slit exper-) wl ,,yg5 yydx2n bj+wj*3psh/orcsiment, 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 central bright spot in a,vwjvr+ia ,m5 double-slit experiment, light from eachjv,5am ,vw+ri 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 douj;. mxhrx: x wysdo2: *t)b9frble-slit experiment, light fr2ft:)9wsx hy*:xrob; djm. xrom

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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 sx/k r ml1j,rc;lit experiment, if the separation between the slits decreases, what happens to the distance between the interference fringes?,mjrxc l/;1kr

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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 distance between adjacent mtgd9/6.ofkok fpc): s4a r/jd axima on a remote screen isp)/j4frgdot9skd/ .ao f 6ck: 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 lv6.xagxjf2- h ight travels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's .sdsf6qb +- mzdre zgrdu+93*double slit experiment arrives at a point on the screen one-halfme zfr 6 zsdrsb 3d+u-.g*q+9d wavelength behind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fringes .3,rgv d*k qtpin a double-slit experiment if the separation of the slits is less than the wtkr v qg*.,p3davelength 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-lzza5t iru)e,2m88i qu8h cb) slit interference pattern using monochromatiq8muezc5)tariz 2) ,u8i 8lbh c 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 explainsp3des l qo8i05(dq*ioerx,g* why a prism separates white light into different colord0 xglo*iq q3ir8 ,p (o5s*dees 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 tzpol5i0 xz 0/)mz. ub9wpcz/ 5qq/sse o 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 )waxj2n ta7+ bis 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 s:; /iy) zj.bquq q4 wjguodt:1lightly 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 undergoes the greatest refraction when passing /rhm* qsza* k:from air to grzq / hmsa:**klass?

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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 thgkg m ) 5.d:d8dzc,uvbe smallest refraction when passing from air to glas 5d du.g kd8zbmgvc:,)s?

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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 r0/ )3ncw wpatthick glass plate with parallel sides, at an angle between)3n wtrc/ p0aw $0^{\circ}$ 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 xr)d;zfvag7) now holds up two fingers, with a very small gap between them, and looks at the lightvxd )grf);az7 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 increk* 5g-j.pxgdn -,dgg0-ky s ndases, what happe,dnpj*5yddk0g .k-gg-s x-gnns to 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 hnoa axk d-7o*2as 4000 lines per cm and the other one has 6000 lia -a2kdxon o7*nes per cm. Make a statement 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 the same slt56unxx7h pq1it separation, the only difference being that one grating has 3 slits and the other 4 slits. If both grt6qn 1x5h 7uxpatings 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 and+1l f5bwtrtx 6

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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 wa asqx. -,(dp*p/e hrogves can interfere constructively or destructively, depending on their phase difference. One consequepg/- orq .e*h,asxp(d nce 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 g/9mrg:3 s7j jnc0fpxs lass, strikes an air boundary, therpx jr /0fj:3nmg 9s7cse 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 reflech k42n8qb))rpu l1twnted by a glass surface, wp4rb1q un2)htkl)n8there 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 ,hn bn1)v9 n*evta3gbr0e h8b viewed in white light. As the film becomes very much thinner than the wavb8vgea)0t h b9vb3nn n1her,* elength 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 oft(j8/ its nuv8 light 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 and 8ts(j8 /nvt iuair.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and illuvm ,3 m.yduc*kminated from above with monochromatic red light. When viewed from above, concentric bm.uk,v m*d3cyands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certat+n-k + k hg*+oxgh.tbin sunglasses can reduce glar. g+t*k+kxhnt+hbo-g e 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 fjhi6s j c:ic: t iof3a:-kh.6direction of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic material like;hh zpv(yky9+4rdh4h7 : bpva a Polarozv+44 7h pahkb(;pd h:ryy9vhid film?

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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 h,vz(n xa+- qgare perpendicular to each other, wzxaqgnv, +h- (hat is the percentage of the incident light which 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 th 2cvqi8ns3lw. e 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 g: 7k3muw 8 8ezif/uvbqreatest 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 follosl n*i7 k7im3lsq5-g lwing is 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 (overhead) gpx05y)vyn* lthan it does toward the yv l) n0*gxpy5horizon. 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 vacuum. It pas;iafj y/5pq oi6tb ((wses into glass, which has an index of refraction of 1.50. What is;f pa(i5(jot i/bwyq6 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*8xhz s4cr4u hozy+6t 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What isxt rsu y84o+c 4h*zhz6 the frequency 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 wavelengt.7 q94o/vwq )2mrhanptssrp*ilo2.x h of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What .lm9ir2 prvt7* /n) hw q4pa.ss2xqoois 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 mndt(wum 9--i yo4yayodh8;: aw 58yt nm in vacuum 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 found to tra2 xq6hvze3.58jmf qrcvel 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 55xl:9.;i-n g irwwfa. o,g/ona0 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 apart. Monochromatic light falls on tmgcq . 8-0vs6d wxx+vnhese slits, and produces a fifth order inte g xdqv-wxnc80+s6v.m rference 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*tyt; 2jj/i-kx0h m8t9yl ss m falls on a double-slit and the third order bright fringe its28xy my ls0jmi -/t*9;thj ks seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the two sl-nmhls e0tnb :,)- hwwf8v-vqits is 0.050 mm and th e,n:f)qslwtvhhb- w mv08-- ne 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 z ,aagifm.5j (separation 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 patterngf ( aiz.5ma,j 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 6t k8y/jt.9g op2:x;wont;jb r34 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fjwxtn8. tjpb t2;;:o9g/yorkringes?

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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 ( p dpgenyl/h1n-g ;ou)o6drk(*vna) 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 do1prl upna; (d ny(- )/hgvgook)e*6nduble 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 cobf )(,ihw7p4x bufe:antaining two 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 i,hexawpf )bi(f 4b:7u s 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 ble bp7yf .4f zgs.p1vi:x89nurue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick p.egp8fxb: .rui94z pv fsn17y iece 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 fallse b,k3z9-7 ka+paoz cc on a single slit of width 0.20 mm. What is the angular width of the central diffractioc3-pka,7z+ 9 bzcoeka n 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 illumibobv 0xxp mlw:b.h.q+7x8ib 1nated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maximu mi:0xx1o bb.bx+ 7pq.8hvwblm?

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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 f7)njob9yq7xj b6 v/kslit 0.75 mm wide. At what distance frykj7xjb)nobf 9/6vq7 om the slit should 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 nm is incident on a slit 0.20 mm wide gyd(6v8dvr h.and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is theh8 ry(d6v.gd v 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 sli (hoedo2x( 5cct of width 0.300 mm. An observing screen is placed 2.00 m from the slit.2c5od(oh cx e( 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 incident on a slit of width 0.300 mm.l x9 u/ ay+ 61e0lg,a*srp lej-c/:nqu .iguas An observing screen is placed 2.00 m from the slit. Find the width of the centralsi+-a :*u9,6uelaqlr gn/yxs 10uel /.cgpa j 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 l ag03jt7e,uz* m 9gh:7kl vllbines per centimeter, its second order maj blk9a07gu em3gll v:7,tz*hximum 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 line3v ty9vdmov qh 0f/5)p ul98jns per cm. The angle between the central maximum and the f3hp9vo 5uv v)qn j08dmt y9/lfourth 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 bwci59mr;oa 3that is 75 mm wide and ruled with 50 3a;bmc9 o5rwi,000 lines. The second-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of9ggag 8sw t7xct 1m/2n 600 nm wavelength 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 lian g9t 8xg/2 17wgsmtcght 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 it. d eci7tj7w1 d4 1zhf*e What is the angular separation between the second and the third orders on th4cw1*ftjedd7 z1ih7ee 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 ou, c jo3mi n21eef b4mubj;aj2b t7*+grating has 2000 lines per centimeter, at what anco4ao2 jjuem*3bbtmni 2j+,bu1fe; 7gle will 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 fi v qn-axuj6c/ wk-ob.3rst-order maximum occa-uk w/xvq 6 3bc.ojn-urs 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 grating. Ifpav7lf j5s.w: the third-order maximum of the diffraction pat .a:5f lps7wjvtern 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 inci1j+l vvmk* g+2lv,b 9rx*vm abdent normally on a grating. If the third-order maximum of the diffraction pattern is obseb m1vxl 9+lv,km*vrg2jbv +*a rved 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 separatelsdn )y hf/6bxin3 *j8d*-qt td from another glass plate at one end by a strand of some- 8h ydqin* jb tn)/tf*6xlds3one'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 inde7b-pvu, q twat*esw( 3x of refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 53 tbu,wvw*e-3t q7(sap 0 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 (io f-oesw 9(8i n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normallye 9 o-oiwf(8si 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 nonreflecting filmdi1bg y.q( k21aesh;c 1q2w uy coating (n = 1.30) on a glass lensdy11 ;k2scq geq.(21 byihauw (n = 1.50) 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 inte zwo/u-,fhga1nsity of the transmzo1 h/wfg-a, uitted light is 1. 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 itsq v9d b))wg5, djc4cxu preferred 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 ztyud+d,s4 n t0pyx1lw-52sq an angle of l wd-yputd2 4 51sn+0zxs, yqt$57.3^{\circ}$. 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 polariz;aw c 6v+hox;qer-analyzer combination. The transmission axes oxa oqhw;6vc;+ f 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 wxqx4w ru8qi 9uv3 )4bzater is completely polbu uxix9q4zv48q3wr) arized?

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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 throughdt;/k 5x ihm45j1gulg a polarizer and then an analyzer. In this process, the intensity oj;lu ig5 dkh15/m xtg4f 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 thn-aij-m*;geg 4id7 light traveling in vacuum and reflecting off a piece of glass of index of refractndig-;*g i7hjat-4m eion 1.48?

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