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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 princi1lyb q2)egd4v(de:t d ple.
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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 stx 2mc279tw jmxx.u(pu atement?

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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 attribu).hk ;fcn.ph89b5 tbs kr1iqtted to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is attributc(u3 r0 pwiil:ft4q5n ed 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 ent :z jbrv:orb)09;jg0o +mn wzrers into 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 = 59fgm1edmc4u 5 17p r/*omnxk -y0 nm), originally traveling in air, enters a piece okg dpe /-cmm*nry 5f11o4x7 umf 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 (wavetw 5qlv8,pl1; . zx vwlku.g5elength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wavelengthl.w;5v z5el.u,1 vq8l xkpwg t

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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 it passes thwvz 06dqb,:n(c yvy 2yrough a narrow slcy2 (yzy 0 qwvb6dn,:vit?

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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 buildings, whereas lyl u+iktz24zd4( y, jp;al:v fight is not noticeably diffracte ujyd2fl( l,v+i py4az;: t4kzd. 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 and dark banhsk8m3 fn2nz h7g /3meds when light passes th/ e7gsmm 32k3zhnh 8fnrough two or more narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be coherev0p( c(ei b -7t)qlrtcnt 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 waho7e- bhol) -25nqfge say that two light rays striking a screen are in phase weo2)hgl-5a hoqf7 bn-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 P.l.*f s doa;49ayc kru- If the maximum constructive interference is t9-l4uys dfckr. oa;*ao 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 diff .tlo yi,ul7wbbw+7 lj6:dc+k(8 zry cerent paths arriving at point P. If the maximum destructive interference is to objc ,iyl .7wy lb8 (zrod kc+6:w+lt7uccur 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 okqo rbx54rgdd60ewhq92g 0v 2 f the central bright spot in a double-slit experiment, light from each opening q kgo2r6e qr90 4gdd5b0hxvw2arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in a double ,vn08hqq x8vq-slit experiment, light fr88vqvh q qx0,nom each 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 sifih:u1mdp(y( qgt+; f de of the central bright spot in a double-slit experiment, lightd(;gyh 1 f +f(tp:imuq 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 tht 4l0:csr*o1y 3cf psue separation between the slits decreases, what happens to ts*fl:pus1c y0t34cro he 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 thee76 i )enj.tgr distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance be7.eg)n6e rijt tween 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 coherentes,trf0ir ,: xqof* o1 light 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 rba8fz (tay+)Young's double slit experiment arrives at a point on the screen one-half wavel(ba+ yz)r 8ftaength behind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interfwo2ioa16h3b st n f9x1(ifm,yerence fringes in a double-slit experiment if the hbn 3 1wt( ix,9so1fifa6mo2y 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 double-sjamwus34r 0 x.kk3lm-x73 vcclit interference pattern using monochromatum3m-30wkjrva 4xk3xls c.7cic 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 differenxc*4 dgp hljuh .h t:xkh70)5gt colortjdx7xgh ) *ghk uhl5.h0c:4ps 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 j p ngo)7 secvub//() hks:;vna 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 slip to2f7btrgj +,*4nfjp 2aj1 /suq j5htj1m* sghtly 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 slightly longer than 750 nm is calle8av s;s t zourly/e.(fmb,-k )d

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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 dwe+ai l +wtl)ld8-q.(mi wj45o meu8when passing from air to w 8ldu)ie5 etm .8+(lio jadw+4qml-wglass?

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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 theaq 3r/a2 q/vvl smallest refraction when passing from air to gla // v3v2qqalarss?

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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 th2 z +esaf9u17w6vzxb 9pwgem3ick glass plate with parallel sides, at an + p u9ae7w9e612 vz3xmwfgzb sangle 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 distant light source. If she now holds up two 5k tz7dy (deb9i1c j4vfingers, with a very smalliy 7j kd5ez4db( 1tc9v gap between 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 experiment, if theb,/ y6oo .nwpo width of the slit increases, what happens to the widtwo pb, /ony6o.h 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 gralu. ;k2 xy(faoo hj2c 9p uwihs4b5(p(tings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statemsu4xhpwj.2h( k5pio yub(ca fl ( ;9o2ent 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 seph/ ssnb 0p+;rtbjew3r(o vy+*-s:sodmw/:l aaration, 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 coovsm+r: jsd3+ owp0//y-;ahsnl(e bst *rb:w ncerning 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/2x x5 xshdi:1 izdz+gon 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 tw3o y0d q6 xprekbvl:g(v 8;bz0o monochromatic light waves can interfere constructively or dest6 ko(0 zy qbbldp8:xe;g0rv3 vructively, depending on their phase difference. 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 boundatn3i1 x(me5m0)d xf mary, therd(efa1timm nm )x3 5x0e is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is r6m :z 2h,tf-lqhneb2s s.(sdqd 8qwhsxk.+k3eflected by a glass surface, thszhkd2s hdfs8 ks+e.n6mhtb(-l:q3xw.,qq 2 ere 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 whitel9 g(am/3sn jj light. As the film becomes very much thinner than the wavelength of blue j/(3 as9gjmnllight, 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, wg*:rd d.evow g2j j/i5hat is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (Thgjrd. *vog2d/:jie5w e 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 from aboduk7g:r z4 d1 , unuo;ie2bm.xve with monochromatic red light. When viewed from above, concentric bands of r2ud: 1in ,eg udr4k ;b7.zxmoued 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 sunglasse4r+qfhan *hmjq1i at( l:z5m,s can reduce glare from ri,a4h*rl+ qmh(aq:tzf15 j nmeflected 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 directi70 qewlf j6:e3g+q ajcon 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 mat:*iy5whzb/rx; ixr j *erial like a Polaroiirxzwxjhy; /i * rb:5*d 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 per/t5* dwqr spm+;1gci upendicular to each other, what is the percentage of the incident light wh5;cp* dti ugws/+1qrm 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 +x6h8typ )1 rd/ypvtm 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 suknht0* ; :1jdhv f(vj5aok za.nlight 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 diffractio 1ap azsx..0izn 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 tw rwdi9ce25. so be more blue toward the zenith (overhead) than it does toward the horizon. Thd5wie2 w.scr 9is 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. Itxt;qu) pu;,4 giu7b vq passes into glass, which has an index of refraction of 1.50. What is the wavelenu;pvut7 g q,ibu)q;4 xgth 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 60rk if s)7v6t uh2rxv9tn ;tl)30 nm in a vacuum. It passes into glass, which has an index of refraction ot 7; 6hl9nsf xit2) rvkt)rv3uf 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 605myw.::r qr(mnyf4 r v0 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed o ry (mmw:4y5nqr:vr. ff 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 vacuufmp 4;x,pfoc 0snoj(s )ysg27m 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 2.4ew(rcbweh 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 tr1lwidsz ro jfjg +z56;fq);c-)v1 fzyavel 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 falha15ml4g- bwu*9 nhjr6bjvf/ls on these slits, and prod61mhf- ng rbjhwa*/l v4 u5bj9uces 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 fal0j2i7pm ,/o4petot h dls on a double-slit and the third order bright fringe is seen at an angle d74ethj o /p0oiptm 2,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 th 7 6;iyl.wrfkse separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spy.k;lfr6w i 7sacing 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 slpby2los96eh 0 0;5cqp upbwy(it separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with l2;p q0yp9wesb 6obyhcu(5p0 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 3wj:co mvgo(rm0n8:- c3pcj qnm falls on j3-(co8c0co:m : mnrwqjg v3 pthe slits. If there is a screen 6.0 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 incident on a Young's pyn0/4w 0xc2ose /)zvnt0ynyo7 w dk7 double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm onn07)p0 2xzyndyo t4/svne/ow wky 70c 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 wavelengt3hs5c-gh- ngx9rn6b/: nkotukzob ,4hs, 480 nm and 700 nm, strikes a plain piece of glas khxnrbubh63 co/o4gn g: z,5- k9nts-s 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 consisting of blue light (wavelength 480 nm) and red if0ktx1 cn2 /-yj7dm ; dietj*light (wavelength 670 nm) is incident on a thick piece of glass at k1 cn-d27/myf* eit;d0xi jtj$80^{\circ}$. 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 the anr.sy7xgo -b e-ib..vdgular width of the central diffraction peakvgeb- i.. 7xsb-r y.od?

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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 m /v,0i/hlp doj)9 ci isvs/lx-m wide, is illuminated by light of 550 nm wavelength. What is the angular separatip/v)j-/hi o/divslxc, i0 ls9on 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 687 nm is incident on a single slit 0.75 mm wide. v7vr, ;fh)cwp At what distance from the slit should a screen be cw7;rhvfv,p) 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 wi4sku t4dk c)o4de and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the wicdk4 s44ok tu)dth of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An obseikx-j w79m uze8 xg)3srving screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screenew7s3g8jmz u xk)9xi-.

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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 isiwv+kj (g hntgxb 5qn9sijpst (/ ,,)8 incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the hsp/tig gi,8(q(9jjn,v wbs) xknt5 +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 pexwg 8j6v)/c;5ppffjkvqu u6i: m*6 8 e0rkqn lr centimeter, its second order maximum :k xj6ep gu8v0uvi qf) qf5pr w;k6*8jc/m6nlis 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 b;s;2gz7jxs/x k s m+xzz)8m kper cm. The angle between the central maximum and the jm;xkm;+k8 szzb2x7zss)x / gfourth 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 a :.nhez,ooov -nd ruled with 50,000 lines. The second-order ma. zoo -vh,on:eximum 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 experi n.gbr+r2ac m5ment, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monng+52a mcr rb.ochromatic 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 60xe zb;9i1 aidrz;q0f +00 lines per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the centrald90iz f e; ib1zqax+;r 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(bruk 945dgdg by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first r(b4gkd 5d 9guorder?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate a grating. If the first-ordersjazs6++dd k o;b jn02 maximum occurs os0;z 6j++j nas d2dkbat $20.5^{\circ}$, 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 e lcm 82l )lbz*+pb3nfof wavelength 500 nm is incident normally on a grating. If the third-order maximum ofb mlb3)e*npz8+fl cl2 the diffraction 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 ovoa3*5 aazy.kify; e mb-p+f;f wavelength 500 nm is incident normally on a grating. If th.pf5afv+i; beao ym ;z-*yk3ae third-order maximum of the diffraction pattern 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*v 5djofn/v3o nob l5. at one end by a strand of someone's hair (diameter 0.010 mm). How farvv35o.fo *d olnjn/b5 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 of 1.33. What d l8cm*jerp+/jgny k6 8e v;8wminimum thickness of this bub mce8+/ne;*gw8d lk6 8 jyrvpjble 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 illk73 q wy3(xxa* r*inxeuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interfe*xkxq *ew373aryn(xi rence 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 nonreflectixd ;v4p+d.wi* fl;ila aq6 nf;ng film coating (n = 1.30) on a glass lens (n = 1.50) fora fa;wilvf; +dd.n xi6 ;p*l4q wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized light and the inte;3+g 1lsa;sz3d(qtrufg jirna386j1 cu4 anq nsity of the transmitted light is 1. A second ideal polari j +rr33(8ft1;4i3gqsua1anjsc ld; ug z6aqnzer 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 pr dp7-j5x9x*7vavim:: f fg jgxeferred 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 angleckh*+*q6l9p p pd:j qn of npd+*9l* qp k6hqcp j:$57.3^{\circ}$. 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-analnaz(4 v3w uu6i n;6tvbyzer combination. The transmission axes of the polarizer (b z6vu6nwu; 4v3 anitand 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 hor lqa8aan a):e,,kmgd 4izon is the Moon when its image reflected in calm water is coaa) 84,: amqd eakgnl,mpletely polarized?

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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 passe3eio0r 9k 82 xfzo+wvr9.jfefs through 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 axesoofx wjv90 .ei92rr kf3 zf+8e 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 anafzlf+h;1l ,8 yo.ns 1cfmm4o gle for light traveling in vacuum and reflecting off a piece of glass of index of ro8cnm+l;1y.4h,l fzomf 1fasefraction 1.48?

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