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习题练习:Physics Unit24: Wave Nature of Light



 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 princw;vl0 v-h*fl c e0urn7jkq-0u iple.
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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 ic2k1.lw2u h xzbh7vf3er- 7c ujpo.d1umk7w) s 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 attributed toa(4jpy. tu8eqng; pu 6

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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 is attxwt y98q8z r3j ryxr04ributed 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 og n3(qy 4vx l2ii8cqt(f 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 (we13 iwn ov3z ctlp1(*hty(l) qavelength = 590 nm), originally traveling in air, enters a pieceqc1p th3yle*lwv)((oz3 it n 1 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), originally trav6qxbasj.o2 l 9eling in air, enters a piece of glass (i 6.bsq9 xajol2ndex 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 / lt ,gu21vzf 2ao0 fanlsj-8rz4xa9kfor light spreading as it passes through a narrow sz 4n,fauf-ovk2 8z ll rxas2j/tag90 1lit?

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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 suzxt,fp: .vhiuml: 3s6 ch as buildings, whereas light is not noticeably diffracted. Why is this?h:ml,. sizp3t :6xfu v

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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 alter-shl, h:xa/ fj,(f.x ht 8h9yog+yzasnating light and dark bands when light passes through two or mox8a /hzljxs-,f s+a:o y9fyg h (h.th,re 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 sai8orzby0hv .fcbr9bq5 *i- 2 ibs)jbd2d 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 rayv +w9(zs6emny b4jb -hs striking a screen are in phase with each9ye( 4n6-zbbhv+mwsj 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 coheren8b/z;;dsqs(f )d cptycr1;(kwtz p1ut light travel different paths arriving at point P. If the maximum constrtp(( yzq ;p;cr;w sdt/kcs1b 8zf1u)ductive interference 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+wocr fdfvii-t v7h ;a 41(ry+ point P. If the maximum destructive interference is to occur at p7 fvca+(dr+w iy -h;tf4oiv1roint 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 eithtty71a8sogld/ 1 qlz py8uxw3y x6b+:er side of the central bright spot in a double-slit experiment, /1:s8tlbz y 3au1678xygdyqt lpx+owlight 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 bevmu*8ek d(zgf 6s 1b6it*5xrpa*-eeither side of the central bright spot in a double-slit experiment, light from each opening arriv *ktf is1*aprb debevx6(-u6z eg8* 5mes

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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 eit7*iir8ut lq./jemb k;her side of the central bright spot in a double-slit experiment, lighj7 uikt.8 r;e* /mlqibt 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 s9swq.hou ,f/lss tv/5) tl4 rleparation between the slits decreasesw4l v stfrlu/l)/h9,os5 qt.s, what happens to the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distance between adjacent s3un*b-gt yz7maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent must*- yb 3gnz7axima 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 lig hux-h 7wq3wox7inn*2 ht 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 agn6jtoye: b . n0amdo2l3s;;experiment arrives at a point on the screen one-half wavelength behind the wave froa2smao 0en:lg;b 3oytjd.n ;6m 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 in a double- d-(tjs0cigqxutq ; pa d/ak+q9c, w)-slit experiment if the separation of the sliq,9u;tda i- x/cg tq(p adcj+kw0sq)-ts 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 d9ano3tdh0x r8pil2-l ybe( hp:kd(5 adjacent maxima in a double-slit interference pattern using monochromatic li(ota8 p:l x5i(- r n ylddhp2eh9k0db3ght 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 wh0qd, nb2 6e,vsr 5nl-z+fskofy a prism separates white light into different co k v-ofl6rsq 5sne,db0z 2+,fnlors 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 a19b5n)tvc cciog tj18 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 h +lae*wxno-d y;.,qhshorter 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 than 750 nm is call-mde u;+j3suejex:o5 ed

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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 thqhnmc:d)m0c (e greatest refraction when passing from air to d)mh :nc0cmq(glass?

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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 undergoe n;hmnp4y6c t(jg-atze ny(9/,*lheus the smallest refraction when passing from air to glassj;n4u6 tn(ec9(zh*m nty- p,/elag yh?

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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 inrjl6 xyq8tsal+ -a35 2z /ncbhcident on a thick glass plate with parallel sides, at a zyhq5j/3x2bs+lcar6t8nla - n 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 distantsb1/19z lft ool ud45g light source. If she now holds up two fingers, with a very small gap between them, and looks at the light s/ os u1zgo54b1lfdt9l ource, 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 thx b95lieinx :7vpf1 +se width of the slit increases, what happens to the width of the central maximum on a screensi9p7ifblxe 1+ x:n5v?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines per cm and the other one est *2dxe: 5pgtmyu13 has 6000 lines per cm. Make a sdt :p*e 3y2m1xute sg5tatement 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 slit separation, the onlytnc;4e9vh pwky.lm6 / difference being that one grating ha6vkhc. 4pnml twy/9;es 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by reflecti coyi: 9bx1pndxpsr;8q e;a q6m -41uwon 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 constructivhgob ic; a0t.*ysb s;1ely or destructively, depending on their phase difference. Obyag it;10.chs*; sb 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 aisznr8g :d zlehy 8i3b (ci6;1tr boundary, there is:tz c81i63 drlzhsegn( i 8b;y

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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,v ,t8-d; yhfvj which is traveling in air, is reflected by a glass surface, tt;yvj h,fd 8v-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 the film becomes a se br1c-u/3overy much thinner than the 3re1-/ac sbuowavelength 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 is the mi5szu;dc ,5 jjtnimum thickness of magnesium fluoride coating that must be applied todu55s;,tcz jj 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.)

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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 illuminated froty -gvw+o2 yd5m above with monochromatic red light. wo-+gtd 5y v2y 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 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 sunglasse+4pupr, d,phpvje, :ss /gsoc+m e9i+ s can reduce glare from reflected surfp4sp,ir ,he u+mpsp/ o:e,g++ 9dvsjcaces?

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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, s7v,atv9ks2+2s.aj zhw d n4j the 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 pol:+:o /q-p:nkien rdkw arized light in a dichroic material like a Polaroid fi-wrq:n:/pe:i k dk+nolm?

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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 Pola*.)j8h;4 zko lnuxi e9o5bip vroid films are perpendicular to each other, what is the percentage of the incident light which wi j zk.ox9n*i5 8oiehb) uv;4lpll 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 tx -:l 3ppwrdy2he 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 sunf sug1 66b6)wwocl,k8awn0 mb light 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 diffraction NOT exhibite(hq /upe:-6ikv l/owg d?

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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 a0gx tr. 5x6iruppears to be more blue toward the zenith (overhead) than r.06ixut5 grx it does 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 vacuum. It passes into glaub ibyh -edvs1p;8wn h: ;ak-8ss, which has an index of refraction of 1.50. What is the wavelsv-hb uyeb8 hi8a1k-wpn;d;:ength 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,3olqok) j +xa7 -1k*jw.xs ayj.wpdz 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency ozw,okxd1 a*j kq -wos)y7j +.3l.jpaxf 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 wavelengtkq2r u1q px )gb6(+9m9uy f (bno5vdqih of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the ligh9 g mv5r b2ukxbd9(py+)n1qqfq 6oui(t 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 travel attt:v 7yo o8zi6 $1.96 \times 10^8 \; m/s$ 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 travejz .22gixvx (jl 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 cca 6qx ea3/1ifound 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 6vkn0104t mtv7rp uwoe0ndox/1vxu 4* .00 mm apart. Monochromatic light falls on these slits, and prodrd1wu/xek on4uv ot*0p0 mn47xt0 v v1uces a fifth 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 n/0;2pbm;c3bsitvwy the third order bright fringe is seen at am0;tp2/v bsyc wn;i 3bn 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 slh/ +-p r uyu/5qi6aicxit experiment, 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 5a rx/ucquh+py6/ii -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 two wavelengths,e(o-gfp5 ,mu z+r (mit 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the centra e- zr mmtg+(,fpi(uo5l 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 wave *+-q 65jh6suibkx)h r8sug vylength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart aru h 6vsqbu+s r-5)xykjh6g8i*e adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's doublepdnne 6hu0ohq a6; 0n1 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 bright fringe and the zeroth-order brige6n 0hnqdno a;601uhp ht fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths, 480 nm an* l+v/voku,gh1(v0v6 xlupzjd 700 nm, strikes a plain piece of glass at an angle of l+ (kjvh10zu,ovvv puxgl*/ 6incidence 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 (wa-/pst;eztr 56-pvrpy7 ba l5cvelength 480 nm) and red light (wavelength 670 nm) is incident ct 56- pplystbvr-p5re/; 7zaon 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 on4k9qj,yeo bh/ a single slit of width 0.20 mm. What is the angular width of the central diffrebq, kjy/ 94hoaction 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 .u8fk09 rkemj:a5i (.c owasxwide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the cen0o8kw9:f a k.(5sajr . ecixumtral 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 widxp gbk3lee07 4e. At what dista0 xg4ebe3lk 7pnce from 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 3k i e.n8zeq,cwide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central 8ce ken3.q,izmaximum?

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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 in wvy2bgp 39dh2vwrq d;,yh4)ccident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the sw) c3 ;4,dv9bh2r yv2qy gwhpdcreen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength f77nwe 2 gfyf6580 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from tfe7f2 6g7 fywnhe 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 illuminatu: ;dcv,w.lfe/ lnxw3es a grating with 7000 lines per centimeter, its second order max w;x.3 l:uecfw/dnvl ,imum 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. Theq1 om 8kt8wgk .r2z,ui angle between the central maximum and the fourth order mkz8u2 o. gwtmkq,1ir8aximum 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 ieb+nxi6v+3bd xd(c/*i jt 6jjs 75 mm wide and ruled with 50,000 lines. The second-order maximum ixd/j6 +d * vitbcjn6+exi3(jb s 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 wavele nn b;f*mr7lhic+j n.4ngth produces a first-order maximum 0.350 mm from the central maximum on a disinlr7 .j fb *h+nn4cm;tant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter 0o22nx5fhpgbtr 9so *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 ho go9t nx5ps0*f r2b2of 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 grating has 2 cyayd +pkj )n; t39o6fgc+gs maa2a31000 lines per centimeter, at what angle will red light (640 nm) appear in the first or3 saa)13 9akp6t+ ajoyn gd+y 2;gmfccder?

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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 thes vn6k;9 zm;d9/f 9 inpy9elgn first-order maximum vgyd9/ fls9znme ;pn99;nki6 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 5046*zr lx gla1 sci9:zk(wiix/ 0 nm is incident normally on a grating. If the third-order maximum of the diffraction9xz is*(6xii4zlac1r/l w: gk pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a ;foeu3f410bb8kr p qq shfz)2grating. If the third-order maximum of the diffraction pattbfe4 ks o0u8qbf3 ;p rfhq2)z1ern 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 a.bc+f e/ny.wsnother glass plate at one end by a str/y+sen. fwb c.and of someone'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 rpbaxvu : pr xdp* f/)z4+f3+qmefraction of 1.33. What minimum thickness of this bubble will ensure maximum refx3a/px4vp +:)frzuq fpd mb*+lectance 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 illuminates a soap tri3sa6h7m 1ek.b 0y j,pjbv (film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident e. pv 36bm,1ri t0b7 skyh(ajjnormally 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 nonrer, y:zz8ke)jdq5d+j k flecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500e,5k 8qk:jdj z+d )yrz 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 q.0zid4rv1n2pv4rcvz;a . mrlight and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred didzr z; 4imv2 4vn1q0ca.r.rvprection 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 direction rotated *y. xjl.jkwpb 576lrrr4ire3 $30^{\circ}$ 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 sxthvx2p8u e8 e/) rk+uotnu3 )trikes a flat piece of glass at an angle of )8n 2evpue/t u+rx)kuh83x to$57.3^{\circ}$. 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 ax(,bzi o zi(i-3n .ln*,qtqaa polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer are inzz .qoila, aq-xt(b, in*3( 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 c52 ic6jojy m.. qidw,zalm water is completely polarizey, idcz.o2 q .jji5mw6d?

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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 an7/tn1*biqui k i;5mmwd then an analyzer. In this process, the intensity ofi;n17/ut*k qmb5ii m w 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 light tras wl(n .b4 wekcui .qf;4v6z,uveling in vacuum and reflecting off a piecew k(.4 64fqwu u;,iscvb.nlez of glass of index of refraction 1.48?

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