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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: 游客未登录  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 principzb .is7xy gup :c1/7mole.
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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 u.bmz69zou2ep/to )u 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 attributed tou2d3*z lpqo ;; zh -zvujve(6x

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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 lioceeekqp 6( 5vu2yc0 8ght 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 mediu*h wlfcf18z 3nm 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),akx6k3r(f:n l l:.; /nqrg bu)e x-ima originally traveling in air, enters a piece of glass (index of refraction 1.50), its fre:(q -ax.krl /r:mink ulxa; 3fn6b) egquency

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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-ke;l1(c stevqw*. yw;hdo/z in air, enters a piece of glass /-oev.cwzqy1 he(*swtkl;d ;(index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as+g9e3b2c fx8aas h:s f it passes through a narrow c +2f:sxgfhsba8 93aeslit?

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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,)jz(z ue oc7f buildings, whereas light is not noticeably diffo zcef 7,ju()zracted. 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 altern.jt: -t,21ot c,4- ciuuh4okjjw bkstating light and dark bands when light passes throutco2uji,- - tkts1b4t,4c j :hwk.j ough 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, : 9+,tyra ydm(ycwmx6. dhny said to 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 rmb -v 3((e*kkupa2b -bgghxw0ays striking a screen are in phase with each otherkhvbg-b32gxbu(aek p*- w 0(m?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving * hfr6wgqj o4)at point P. If the maximum constructive interference is to o jq*fgw)h 6r4occur 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 ylzj-q;p*(l ns 0q7;d fwt8oxat point P. If the maximum destructive interference is to occur at point P, the twoqw8(;l*d0 qjp -ylo n;txf7z s 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 :jgils1p8 zv 5side of the central bright spot in a double-slit experimentsjp :z8i5gv1 l, 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 eithe8;en blgcl1t7t 7+mbq9 hz:uz r side of the central bright spot in a double-slit experiment, light from each openn+9l7t:qblb 1mcz u ez;gt 7h8ing 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 y2on6jjlz r*n2h05v t a double-slit experiment, light f lj*njv z06y5htn2o2r rom

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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 expe da4 xv/yndn75riment, if the separation between the slits decreases, what happens to the distance /4x5vd7n yandbetween 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 experie l0v4dq,w* ,qf 7ii -ap zsvgh1 b25d5t)nhcdment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima -n),lfvvw502 qp d i *hs17tedhq ,a 4dizgbc5when 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 zw eym7u-)(ccef7 qk1 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 double slit experiment arrives at a point j.ymo/wo r7sgaz*rb6 5 yv9h)on the screen one-half wavelength behind the wave from the o oybr*5s/vw7z9 jo)6hy grma. ther 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 fring2 x2r fsf(pep3es in a double-slit experiment if thef2(sf2 xrppe 3 separation 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 adn*yt9 gnu1mp*2kfk*vjacent maxima in a double-slit interference pattern usin2*np*nvgkk1myt 9*fu g monochromatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white light into difo7 8k03xkdfsg ferent colors if73kx 0d8gsko s

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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;wakf fx1n,p ( 8z26j;uj fidk 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 wavelengtb4vix43cifo ivn.b. 8h 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 (u3 qfy6hsy4n*r 8r xoslightly 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 grezs.aj qr:uq 19atest refraction when passing from air to r s.ju qa9q:z1glass?

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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 smalyrm6d eoq,,zfa(o)( j lest refraction when passing from air to (, edmo( )jryqfa6zo, glass?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass ply,-2ro8no-a tp)yn j nate with parallel sides, at an angle bnyjpa82ty)r,o on- -n etween $0^{\circ}$ 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 two fingers,nke; *tz1s7;e 0 jsmgi with a very small gap between tit1;0mekn g 7zse*js;hem, 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 increases, wha: bv e;t:;.z v qe)w1xjoknba*t happens to the width of the central:jneavbv bk:t wo*x1).ez;q; 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 diffractionlxr59vp8 i2)g2q/de4-* tb gwp o fmwd gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement compr/bi-gm)fxpovd4*pl8dw2 9e t g2 qw5aring the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the onax v9;/uf )tv+j8tv qrly difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated q xvtrujt/vv)a 89f;+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 sli( ,skm8,w/ pfjzz7cqd ck 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 monoc(p n /lp:qk oum 7cm3tw.ki9v6hromatic light waves can interfere constructively or destructively, depending on their phase difference. o3mpkk.:v7m(cliq nut 9 6/wp 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 boun+i /jf7nivuc 8c4)kve dary, there fu7nv ej /4vi+8kcc)i 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 xx 3opg 0hb45bnn1i4v air, is reflected by a glass surface54n gh4 o3nxp b01bvxi, there is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film becomes very 7-jd2rl3w ekjmuch thinner than the wavelength of bl7-kjl2rj3de w ue 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, whaddv,e20g jku9fs 4ht)t 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 gl0 ,ht4sf)jvkdgd e u92ass 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 fb*y f5-c c*sjye*ai 7glass plate and 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 anije*ysff-b5 *c y*7acd 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 sunglasses pt i.fqq,y 9(g0jzr- acan reduce glare from rq,-.jpqt f( 0g9za yrieflected 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 dix 4 6iu+ik xe:5nfcel3rection 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 lik5y /oym jxv-(te a Polaroidj-y(/5m tv oxy 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 ofmu rp-w7v 7x*j two Polaroid films are perpendicular to each other, what is the percentage of the inc r upxj7v*-7wmident 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 the ss0p2cqh.ta .+y a5pbourface 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 cf k6* n qb2g6irbt1;xis 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 diffraction j cq9pp5c7opo,m-/b bv ae g98 xc7k2eNOT 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 apux l nec(h( i:vrmbnqe-2;f 32pears to be more blue toward the zenith (overhead) than it does toward the horizon. This occursxi;3eh:( rmqenl( -2nu cbv 2f 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 into glass, which has a: q.7 giyx3xpf. lgn;xn index of3: yxli.gxxp; qf7.ng 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+k,gr 51ujc-d l;o sxe into glass, which has an index of refu l1- rckj+e g;o5xd,sraction of 1.50. What is 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 wavelength of 600 nm in a vacuum. It passes into glass, which hasa vp 1esr3bf;zpbv -1ou e.p-1/il v7s an index of refrae/ssu;eb f7op--r blz1.1 ivp 13 pvvaction of 1.50. 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 va( wxd le)7sg*vcuum 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 m4dseto yz(nzx ql- q2.(ve3+in air 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 found to tra*9 eze7enkee 0vel 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. Monochroma v)fltd1);wg7 m(qd-2 qi hzsatic light falls on these slits, and produces a fifth order interfeh7a1dq) i(gvwd) m-z;s q ltf2rence 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 fallw 6 )gtpswtjq(k/vng/0f2 b0cs on a double-slit and the third order bright fri 0kjtfw(g/v 6)wbqc sp2/tn0gnge is 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 sli slk gj:lir v(.(m7w*gt experiment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen isg:.i vklr( * mlsg(j7w 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, and thbv3dk ,*pb1 r+ ulo;; /ghbgswo 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 a bright frin lv khs/ 3;h+g*bu,rg1o;bpbd ge 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 7b x8yiv9+i09sfpfu;yw 3 rco wavelength 634 nm falls on the slits. If there is a screen 0y3fp9cr9boxf vyw7+i8 su;i6.0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident4 s zdx(qfm* c.kgom/, on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2*kmsx/oqc( ,zg.4mfd.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 contach0 z1rr0 fd.aining two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e0 f.0dzah1rcr. 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 (wavelhl:kl 7qe,mu2frnrbs57un z1 f;qb 67 ength 480 nm) and red light (wavelength 670 nm) is incident on a57s q27ruhzf:q1n, e;l7bkmblr6 uf n 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. What is thkx+7l/veu 2wn y-vsg1e angular width of the central diffractiyse -1l+gn7 xkwu /2vvon 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 wideav)* dk xibe*sq*n(7g , is illuminated by light of 550 nm wavelength. What is the angular separatio abneg7s**q *i)v x(dkn 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 qd 9dkoexy(1lgz0) j1687 nm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to dld(zjo0 9ygq1e1) kxbe 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 an :cmie0)e:,a ckktk2 rd the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of thet:2 ,eki:rmkae )c0ck 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;2(c; isrl- xfddn r4q nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the ns(dr4 frq 2d;xc;i l-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. An obs(y e-) vd9z)g :h,.dlcui xaloerving screen is p d ,9ci- )zead:y.vgl(uo)lxhlaced 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 1a- v cs )27 xnfm+ohn9v/-w7gzlldpe 7000 lines per centimeter, its second ordezfe md2 n1 x wlgc7sn7/lvaov9--ph+)r maximum is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The an3kig8 p* zv7/sryt7 dngle between the central maximum and the fo * / t7y3n7diskz8vpgrurth 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 ox xt0gy/aotss5p536q1 hq9 ngn a grating that is 75 mm wide and ruled with 50, gsga/1 y o50hsxqxq6np 3t59t000 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 of 600 nm wavelength produces a first-oroa9 y 5:ygh3r s scl7s3.k(ifoder 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 throy o yslcrs(9h 5.a3 fok7i3:sgugh 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 vg*)6em lrvht m6/ik(has 6000 lines per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the centrammgh/6)l r(v k*eiv6t l 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 gratiys mv7 6o;s0ulng has 2000 lines per centimeter, at what angle will red light (640 v7yo ;lsu6s0m 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)8 4el4)uaj mdx is used to calibrate a grating. If the first-order maximum ej u)dmx4l48aoccurs 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 s* zr.gs5ea6pincident normally on a grating. If the third-order maximum of the diffraction patterng*paez56.s r s 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 wavelengtn,th hhh rr 71y28wt+oj6o+3hk :zflkh 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is oo t h:7rorthfh2k86 yj3k lz,1++hwhnbserved 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 anfyc fjcqm z85o t:0 jj;*ql-.r(8atbh other glass plate at one end by a strand of someone's hair (diameter 08*(:l atztjcb o h yq;.-jqmfj8 5r0fc.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 -rery+bx1fn k63am s)of 1.33. What minimum thickness of this bermk r+fx63-1 s)naybubble 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 500 nm 4 f)+ n/o.x 0umkjw:h 8wnyewqx:cl;killuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an in .e ::m)w o kx;nnwkjf xy8u/04lwhcq+terference 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 non:hn.wag ;j/e-uqdd :6lnq9 z creflecting film coating (n = 1.30) on a glass lens (nj;d cwgq9q-l6hu.a zdn::e/ 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 inp y0d. qqo j:gf.durs6.u12(b b77uav)fipp z a beam of unpolarized light and the intensity of the transm0.dprpfp u7( vj2dbqs)zib:f . 1ou7u6yg.qa itted 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 its prwehn 7n;b; x9meferred 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 an angle kv.*m zmv5v la3igbw, a2k /k.of ,5izgm .2k /vk l*vavamwkb.3$57.3^{\circ}$. If the reflected beam is completely polarized, what is the index of refraction of the glass?

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88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Unpolarized light is passed through a polarizer-analyzer combinatimv 1pt(zybm 8.on. The transmission axes of the polarizz8mpvybtm(.1 er 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 wa. io-wry5eu ,kter is completely pye.io 5k,r- wuolarized?

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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 thz-:j6 zgsx cao(6+fc crough a polarizer and then an analyzer. In this process, the intensity of 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 analyzerf( -ccs6 6ca+x ozj:zg?

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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 off a 84fcs t;w7eod)d1qab piece of glass a4e8f sc1d7;tqow)d bof index of refraction 1.48?

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