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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 principle.cj0egqot 5qy): ( lhg2
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followingy2v cu;r3co 0o is 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 attri zcj o+cxn+q22fu7z -dbuted 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 lighn)r x -znjei (e;p/u1zt is attributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of diffe 5qreek js-54 9q4.ss4xkc ht3nb.nf zrent 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), originally traveling in air, en/in)lfazb( ,k dx+m3bls( 6gar:+ ldsters a piece ofbbl(+ 3d +:x(m i/ak)zfngsl6rd a,sl 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 zt4pei (-lw7rbnkb-n2v(qf f1;pb c+ (wavelength = 590 nm), originally traveling in air, enters a piecw2vlbbn7kcz4fptp -+ f e q-(1ri( b;ne of glass (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 responsi,wklj bn0iycnvkstrr0x7q 5 x:;; 3*tble for light spreading as it passes through a narrow slititr; wbq ,0;* 5:tl730s cnyx nkvrxkj?

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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 v8,ku 3n1frgwb 6cu5m -2 kypqas buildings, whereas light is not noticeably diffracted.g 58ypk13 n,w-mr q6cbufv2uk 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 and7*;zrcor2v:aq1fu hv g (vbf +3ttzq 4 dark bands when light pasvoz uc2 t r4fgha;(7vrz*qvt3+f1q b:ses 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 ark6f9sqb2; 88aq ledkae 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 ;vuqjb3ho42h44 r(zw :dbj9n4npr fdwe say that two light rays striking a screen are in phase with eafv uqodr24j4 j ;bd93r4w4 nzbh:(hpnch 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 different paths arriving at point P. If th/8pu a ;x4a1kvyxo* mce maximum constructive interference is to occur at point P, the two b8 1xa4cu/ ;mk xvypao*eams 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 d/iopy sqy* , qs rm+nl+gh*) erl,x+c9ifferent paths arriving at point P. If the man +),som,sig *pqlqy9 *+hx cy+l/rreximum destructive interference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the centra3ea0o8, h- .6roeapo4pww jt; cs8fuil bright spot in a double-slit experiment, light3 uairo6swp88ea-o 40. , wpehtf;oj c 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 eithe igj0f k5y(w 7qjp(e6fr side of the central bright spot in a double-slit experiment, light from each (g6eyfj0 kw5q7ji (pf 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 brightmdz0e 7u5utk 2 spot in a double-slit experimeneu z t0d52mu7kt, 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 between the slits uo8jc p-nshr s/8s6nsll.r(5decreases, what happens to the dup-j/sr 5s8( so.n rclh s6n8listance 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 obsrdi( jzwa3zwk x 1:.tr)5j5iperved that the distance between adjacent maxima on a remote screen is 1.0 cm:waid(t5. 3i rp jj1zk)z5wrx. 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 ieec u:)5 o2sx embgi dx(.8e7light 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; 5c3sr.qt i 7yhekx7r's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is oi kerx sq7h.y7;r5ct3bserved 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 5 r 4s)pf3w 5qohgxx(k8uz8z ydouble-slit experiment if yx5rg s )kx zf5wq4z8p8 hu3o(the 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 betweeneu/ov5d 4a 2p4c-ad ss adjacent maxima in a double-slit interference pattern using monoch2eo pss5 4udaa/-c4 dvromatic 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 exgpj ob+ vydvz 6:oj(1+ur 1x(g9trvu2plains why a prism separates white light into different colors 1j +6:djug(o vx zvrbt py2 o(+vgu19ris

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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 to form i gk,-7e q ,bnzhv pn7gl:5tjn8s

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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 40mym,x-v0(6jynr( t sh0 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 longe.qi 8 ui w/3obfjmsc2+:*doe zr 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 whjdl e4360yjhoc)md /men passing from air to glasdhd) j m063lyc 4oe/jms?

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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 passing fe*acl2 ( (k7fcmat fc6rom air to glam c(2clafk( 7c*e fat6ss?

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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 plate with parv v4quu8d ) 3pipz85xballel sides, at an angle betp5vzxi8u3 u)vd p84bqween $0^{\circ}$ 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 sou np yygqe1a).,rce. If she now holds up two fingers, with a very small gap between them, and loep.a ygq1 )n,yoks 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 increasei d8x00xa-jbp/ u1lgnqr b*s9s, what happens to the0ji80p qg9 dx*barb/ sn x-ul1 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 ;zss 4hkw3n+6q ape;6tz 3ubdhas 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing theeht46z z;kdbs33uw 6n+sq;ap 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 separapr(sxminzkm i/26h2 4tion, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the ordrin2 m(6s 2hi4m/kp zxers.

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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 an;ddkz (o .oy)mlp i7l0d

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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 con,k; exxv +ci/ vgn0qz3structively or destructively, depending on their phase difference. One ezc +,v;g/vnqx30 ikx 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 isz ,fo)fk6( bka hhgz+- traveling in glass, strikes an air boundary, therhkzog( b-+hfa z,f6k)e 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 ik62- jzg lnf+, oqjn*xs traveling in air, is reflected by a glass surface, 2lqjn+6 g*zn f xkjo,-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 ligh6x/fhs1 ;rs 0ftcke 6syo5,j jt. As the film becomes very much thinner than the wavelength of blue light, the fix6; r0ts/s56 fj1j yfc,oeskhlm

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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 minimu0st sc tus/7c)m 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 m tc0 /7susc)tsagnesium 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 f/+x/tdl7 je1 p4afkoylat glass plate and illuminated from above with monochromatic rea1xk/t+dfe74j o p/ly d 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 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 respons7i(6kn ts hr7uible for the fact that certain sunglasses can reduce glare from reflected sur r76s7 in(utkhfaces?

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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 ps4q uf4lrri5o -:d3ojolarization 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 p+dwl hr4bg:o)olarized light in a dichroic material like a Polaroid film?gl4dwr:bo )h +

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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 perpenbvbdhh:c5 kl n-;e:c0i70 g hrdicular to each other, what is the percentage of the incident light whgb:h7l -h:redb5 k0h0cvi;nc ich 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 surface of a / kvq3x gx,-n8sh3 xx6iotnq7lake

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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 iifefc+uw jrc:-3 ()qe1+g ypis 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 followingt0dghpr s(v 4- 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 towar+lbd8r-by2lie4j w k.d the zenith (overhead) than it does toward the horizon. This occurs because e+-jrb2l4 d b8.ilkwy

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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 6z,.(e ag-p4s6 zkuxn j: fsot100 nm in a vacuum. It passes into glass, which has an index of refract.xzj gn1-e4pok, u:z6st fas (ion 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 into glass, which h z9tos,w 5pc6ro7:sjqas an index of refraction of 1.50. What is the frequency of the light inside the gl,zcp t:sj 9os 67wqo5rass?

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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 9:byt --b i -)4rfcgthxniy r- 9)anvlglass, which has an index of re lt)yx9 vy-ira:-9 hnn-bt -g)rf4cbifraction 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 vacuum is fouo ir 9zmop*a8 dt3w.9vnd 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 travel at pv aub56i:x dz (k/3pk$1.96 \times 10^8 \; m/s$ 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 travg+;jc/4, jtid4 jnfcm el 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 ex )a su vz8rh28wkq4;on these slits, and produces a fifth order interference fringe at an angqw 2szru8ev;h8x )4ak le 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 doubt v62 0,z e7ackyr*cblle-slit and the third order bright fringe is seen at an an*r t6c,la7c vy e2z0bkgle 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 2mnkcm.j8e y5experiment, 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 betweenm. 5m8nc2eyjk 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 tw+o fac5 d*.mkbu: 3:sesli9x4v 6lrtbo wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distanc*x oaisb+l5c3ble 4fdr:u6t : 9mvks. e from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light of wavelength 634 yw8;nrfr c4 r6iu8t6 cf te)7rnm falls on the slits. If there is a screen 6.0 m away6ntw7r ;it)6c fy8f4er 8rucr, 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 incident on a Young's doublu dos/d6 5sv30za )ldfe slit setup that has a slit separation of 30.0 mm. The res)fs0 dl6/ud z5v3 aodsultant 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 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 wavelengths, 480 nmqzbo zq9j7s i-z/wbp8:/ wju1 and 700 nm, strikes a plainjb1/wzp qj :iozb 7u/wq zs-98 piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 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 consistin /r3hgtd( rhk/g of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is ind t/r3ghrh k/(cident on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of width 0.20 mm. What isv7g d0 a(kixj4gh(c t9 the angular width of the centd kc7(g4ig( 9axhtvj0ral diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by light :4qqow5ld,sh js d;q8 of 550 nm wavelength. What is the angular separation between the first two minima on eith8:5qq4 wld qohs;jds,er 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 m9psp 1: 7lq0t2p gircmm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm fr 20p9cg1ltprpi7:m sqom 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 0.20f)g pv;vs; 0u2,jjc js mm wide and the diffraction pattern is produced on a screen that;;jgsfp)ju 2 j0cs, vv is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 5k, /t;nrfz:qpr t 3jxy ,t95jf80 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the posif39 rznt tj, xp,r:5jfyt;/qktion 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 (i abvfs 7( /ttyh5y;cobserving screen is placed 2.00 m from the slit. Find the width of the central maximum.yt t7(h sbia 5;/c(yvf

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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 p ht3 7+--:v wzdoynpdcentimeter, its second order maxi p-vn:p-d+tzowd 7y3hmum 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 angle between fyb sa+adxish30xk1+ r 6p*nt 30* zqpthe central maximum ands+x pai3qkbt3 s*nhx +00pz*ry da61f the fourth 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 c q(b4htij/6 yqcwb1 7ruled with 50wy761cq ih(q t/jb bc4,000 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 of 600 nm wavelength produces a first-order m6uhgc l6oar- t g. r0+w7dmmsjo) n),zaximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order sg )h+owo ac6ndu).rg-l m7rt m,6 0jzmaximum 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 ce-6i4cunkevvqs 1o s+;ntimeter ruled on it. What is the angu sk- u4con;qve+6 vi1slar 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 hues byp8cnityop)w66+ co u + a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first orderopc6u now+ 8 yt6i+cp)?

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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. qp,oo2a fn+ ;sIf the first-order maximum occuro,fpsa2 on q;+s 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 incid5 m 4wbau s*1y-wq5hhaent normally on a grating. If the third-order maximum of the diffraction patte b541w *ay-hhumaq sw5rn 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 normal24a0l (d/n3qrt0j dmtsv,uk r ly on a grating. If the third-order maximum of the diffraction pattern is observek02 rdlvu dta4st(0nqjr 3m/,d 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 i/uxn9f9eb vm,uo3(j is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed3/nfvuo ubji 99x(,me 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 refractionoa5at+ k8u pu0 of 1.33. What minimum thickness of this bubble wila8 ouau 5+ktp0l 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 illuminates a soap film ( n = 1.33). What is the mi./yo7w6ev cu3pxqx 1enimum thickness of film that 3xcvx.oq/ewu1p7 6y ewill 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 nonreflecting film coating 5*: mye(hi8cfzs h gx+(n = 1.30) on a glass h(cgx*+si: 8 yhmez5flens (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 lightaso,f .b;).f4n hin o+ wr9nxq and the intensity of the transmitted light isqioonn , xf)swa+..9 fnb4;rh 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 preferred dia8e .gvgk8vo8 rection 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 angk5rcz m-i8 uh-le of mrc -kh-8z5ui$57.3^{\circ}$. 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 polarif-+ 4 7jcs hwkixo/w;9zz9 mnuzer-analyzer combination. The transmission axes of the polarizhi 7zfmw -9csnkzj;4/ w u9+oxer 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 hot6sz *ga1qh(qrizon is the Moon when its image reflected in calm water is completely poa*qgz1 s 6ht(qlarized?

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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 thenuq4-csc tu.15 o+ guem an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of -stu+q g5.cu4 ucme o1the 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 traveling in vawq+;q3:vzdwk,eulxrf7 bu(x uuat.6v .0ns2 cuum and reflecting off a piece of glass of inl7w uta 3(fv en+xuqkrvx2;,. qu6zbs0 dw:u.dex of refraction 1.48?

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