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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 principleo1fu7fsmxv5m5u 5hezq ,t;-ueq :pd1.
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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 sta jadge8u871m/fehlq 7tement?

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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 attri4up j2hcx)ic6hyf/ f zrx,. x6buted 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 li 9mr wfs18zj47(bp1 lke:f nlwght 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 0gfkvowyo :a-1ewjy:)3bo h gg6f1f+a medium of different optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally trave(fboddsvx 35aoh bj(4z /2z9 oling in air, enters a piece of 5xhzv(a d4j zs(2oob/3bd fo9 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), originj0ctx m8j 6t9tally traveling in air, enters a piece of glass (index of rtm jcjtt6809xefraction 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 spq 99 j32( 4biccpkqspmreading as it passes through a narrow slipbps2c 9 mi3jqqk 4c9(t?

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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 z rsd3pn/6nq 4by large objects such as buildings, whereas light is not notice/rn3 qdnsp4 z6ably diffracted. 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 alternatingt, (auzd qhv+: light and dark bands when light passes through two or more nau,(qhz+v t d:arrow 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 coherej (n 4sv/aky)ent 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 rays striking a scre+o)uiulrx+q*j:3 f teen are in phase w + f3:e uqxolij*rut)+ith each 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 Pfj+4-dg1bm i i. If the maximum constructive interference is to occur at pj+gif1- mibd 4oint 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 dpw..ym i1 .exeifferent paths arriving at point P. If the maximum destructive inmpi. e1.xye w.terference 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 central bright spot in a double-slit e ogq5.5pygg jj -jh(8lxperiment, light jhoyjjl5.-qg5(8 gpgfrom 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 thev7h .hmt) ehxszhr-i54s1x p. central bright spot in a double-slit experiment, light from each o7s5 zmt sh..hvr4hx)-ixe1hp pening 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 sp7gs0 s)vh6h opot in a double-slit experiment, light froms0h)6vhp sg7 o

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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 separationbxbe1x(jy0 6li5fuv4+kw* aw between the slits decreases, what happens to the dista6 j wkwb0(ia5fx x1y4lb* u+vence 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,*7ll .,lq aj0iwynh4o 5chl-d v9-z65ddgdfv it is observed that the distance between adjacent maxima on a remote screen fd- layih*7d6,zq4lwv c5.ljdgh90ndo5 l-v is 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 light travels85b.2 oxebx: jxsat sn(y)8yt 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 slinu( 0+qa5f 4pqo+ vngvt of a Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, whic+04nq a pg+nvfq uov(5h 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 interferenca 1vc+)lr6 )6nki,quhbq v/dre fringes in a double-slit experiment ii6qkhb nard)l,q r )vv/1+uc6f 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 between adjacent maxima in a gvzn uk1-:v*zdouble-slit interference pattern using -1g: uzkvz nv*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 differn1*m y3e vr2vac;*avpent col; vcave13*y2rm* vnap ors 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 rainbowp2r1sqs7m/k-h axg/ f x xb+w- 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 shorter than 400 gnr(i kdq,)p6nm 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 iw7s8 n kn r w/.4/fswr)zj qkh( yw6n54k8sbcks 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 refractiondinnr-7lxz5 *ggmc m, 4m 1mu* when passing from air to glass*g1gz-4mnu, * 5xcmml mn7rdi?

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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 r)it un8) ,aeju4elgn,fd - 0bbefraction when passing from air to g b)eb, )ge ul0-i8dfun atnj,4lass?

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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 parallel /fmjtdu1*)wbfnf 4 d ,zl:t/ msides, at an angle betwee/dud1 w jb fntz4 l/*,mft:fm)n $0^{\circ}$ 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 fip 95wxjp63w2mvcc t1jm(u(kp ngers, with a very small gap bejw(59m pjwt62(kpx3c v cump 1tween them, 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 experimentcgh. *rkcl s5/, if the width of the slit increases, what happens to the width of the .s/ kgchc*5r lcentral 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 has 4000 lines p*v;irxh8 (vle 8t9i/;bvmz,cvhdu 7es0/y jder cm and the other one hatxe 0y8 h*d 7i8b dv jvhvv;l,c/es; riz9u/(ms 6000 lines 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 slitfgf6uab kh8am wn.;(6 separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminau ak(6 w8 nagfbh6.fm;ted 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 cwyy9 l00 c7qpiaused by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere consl1w13.h:kqdcl(sq b rkle*,btructively or destructively, depending on their phase difference. One consequencl 1l esdkb31 rc(klh*qwq.:b,e 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 boundary, thw-irw3f4)fmz at;9g peri-gfza9)4 f3m; wrptwe 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 4 ita yk2b*h5tin air, is reflected by a glass surface, ther* 5k4iy hbt2tae 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 wh8 :oa;jm ey)/wmka6 8h *wwwziite light. As the film becomes very much thinner than the wajwm: 6i8 wz oh/w*k)8;m aeywavelength 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 fluoom.*6wfq/k dt2 ky5gdzug;6w ride, what is the minimum thickness of magnesium fluorgq/62wz.m k; d*wot u5g fdky6ide coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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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 placj)0re6 ip:z- bjpfij 1ed on a flat glass plate and illuminated from above with monji )eif:-zp 6rj1bj0 pochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate 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 respo3gh/jsgdqw3w ii(h:-ki + w 7bapq 0z0nsible for the fact that certain sunglasses can reduce glare froq ( 0k 7hiai / zwg:qsg3w3-jidw0ph+bm reflected surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of kl7g ovv- xa o40pu++h -vyvk5polarization 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 div oqnq/z e1 2hcpr hfcju:+6(7 6n4esdchroic material like a Polar z :6d7 prs1 v6e+u2hnce oq4f(qchnj/oid 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 are perpen /ofze xj7 min8k2ewl(i6c:,epf qb1 2dicular to each other, what is the percentage of the incident light whic1p,qwf z im /k(7l6bj f2ec:8en o2exih 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 o bw jclk9oio9if(z8m 4c*6u3zf 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 iwost ike. 4+c7s 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 follo4 as8zmzd(:i ywing 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 b1w .a)aoj kd.he more blue toward the zenith (overhead) than it does toward t. .jak)w oahd1he 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 glass, ; 9+z4;ezsykb c dgijr-gt6m* which has an index of refraction ofg gz* mz+4idcbe;9 t6rk;-jys 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, ;+ 29im o7rjlkp*sbbiwhich has an index of refraction of 1.50. What is t+mipi b klrj*9s bo72;he 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 v93rvu :ql,k0lrrd h: pacuum. It passes into glass, which has an index of refrr 9d 0,r3hkv:pluqr:laction 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 g t,-0on 5vtim n5 r:lt/yla4s550 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 t s 0s3msn5x0wmravel 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 fou/xk09 w d+fe nxooy:9qnd 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. Monochromatidpt a vk )qa2qsn*5 ,)kst,5zxc light falls on these slits, and produces a fifth order intsk , q2sz)q td5 xknavt,p5)a*erference 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 ttb5jv.wu3 ,zjrjrk ;k, .; rjahe third order bright fringe is sja5,b;vr3.uzw;k.rtj kjj ,r een 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 separat axjt *1z-c0dca*8gi1 e ygmg5ion between the two slits is 0.050 mm and the distance from the slits to a screjmida- cgez18ga0xc5* y1g t*en 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 separation is 2.0 mm, a57jdjy8nii n. nd two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coinc.8nyji7i dnj5ide 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 ap aiw jz (dpno*1uk*k-en/zw58art. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m wwpek ko j1zanu(85 *z-/ni*daway, 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 double slit setup that hapl mwh /5:ekcnh)0c1b s 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 separap /):hmc0l cnhk1w5e btion 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, :4ix+f t(cf0yp)fgw to;ka;i 480 nm and 700 nm, strikes a plain piece of glass :ffy ;4fk w+g x0t(otiip;) acat 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 consistegnk8 1cwm e6.eu2ri2 ing of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incu1 2in . reekgc6m28weident 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 o y4/nt(8 1wmbpv/jcqu sx2om2n a single slit of width 0.20 mm. What is the angular widm/ut2qv(bp njxw/m2cy 4s o81th of the central 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 x nlhzb.4p6j)3ps3t9dn f t8o illuminated by light of 550 nm wavelength. What is the angular separation between the f dt. 9p l)p3fntjx8znb6oh34sirst 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 687 nm is incident on a g,x0beg x7ca5 .3 x2cl*ta cdhq:je*esingle 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 bc3 *2 a tccd 0e.gjbx 7q:g,elh5ex*axe 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 and the diffrac 5 pg5),yu1cponwh) (wjkhs. qtion pa.hn, hyg)5q)51 (pjwosuwpc k ttern is produced on a screen that 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 580 nm ni3 +klhp 2mzr4 *3phris incident 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 fringihmh*r3p+4 23pl rz nke 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 slitucdjg/ b9mxse (cm 03 k5f3is3 wcb;v5 of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find t 0vmu5wj3fg9issbc5em dk(c /cx3;3b he width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, 9y0twdh r,j(hk z39enits second order maximum is wz r,3h90j(det y khn9at $62.4^{\circ}$. 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. T-:dxrg69 nqe: jvsu2lhe angle between the central maximum aq: lx9e :2vnju g6ds-rnd 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 wbwk 5gl d)0b nymx/)f7 dob)m2ide and ruled with 50,000 lines. The second-order ma20)/) bmdbgmx kfbod5nywl) 7ximum 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 producw x8ghm 65wp(kes 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. Whatpwmgxh8 56(w k 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 ruled on it. What is the an/ -5hl k t ezjrc.g2qb9u0x9rugular separation between the second and the third orders on the same side tlrb92k u9u/e r5-jgz.0c xhqof 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 th/mc1 njs0fs hi:dtm d+oyep(0, gw*( se grating has 2000 lines per mdostim jnc0s+y se(g:d(pfh 0,w*1 / centimeter, at what angle 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; da-b mkf:gjz9-l 6-np1igj:wjalj 8) is used to calibrate a grating. If the first-order maxijjl- :wafl b86k- dmg j;ia1p:jz-9gnmum 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 5004of fqvgw9ulw5q, 0n*o5y +ib nm is incident normally on a grating. If the third-order maximum of the d94lwnuw y,vo50*+fo fqqg5bi iffraction 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 incideu50ecjoe,r2 vik 4ykz)o0 q r*nt normally on a grating. If the third-order maximum of the diffraction patter q24u)r00vie k 5roj*ykze,o cn is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glass plate ob zorem.m)+;v:y 0f bat one end by a strand of someone's hair (diameter 0.010 mm). How far apart m0 rfbm.);vze b:+oyoare 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 of 1.33. Whap .dmhwej3nly7;ip6k ( 7l*ztt minimum thickness of this bubble will enswky ;7i* jl.(el 6 pndmhp7zt3ure 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)7j0u k wa/um1) v:gymsfoj2 2j. What is the minimum thickness of film that will give an interference2 wvu:o ag1u27m )js m0ykf/jj 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 thi co/+hmb +b:awckness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50wmb:ahcob ++/ ) 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 pvjzq- x8(b.m alaced in a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed iza bqv 8m-xj.(n 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 direction rop1 6mlp78haa ztated $30^{\circ}$ 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 a)8 kua e9hb/ k5eprrg)n angle of r9 g5a)k )rpueb/kh e8$57.3^{\circ}$. 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-0pc5 p yx hhu0aho823 w.nboy3analyzer combination. The transmission axes of the polarizer an 0 xbhh5o3hy8p w.2aucon03ypd 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 water it e9k(r/9sgow7v-pqa8w y k6 us completely pg wkp(oukv 897te6 ysaq -/r9wolarized?

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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 po1 hw1h)as ff3j2 s jcqx8g3uv,larizer and then an analyzer. In this process, the intensityvj3s qfgc hsw aju 38fh12x)1, 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 analyzer?

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  What is the Brewster's angle for light traveling in vacuum and refleh mjdb4p;*7o co(g z*rcting off a piece of g*;rpzj4 hm7gd ob* (colass of index of refraction 1.48?

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