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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 principl k4q6.nxe:; 7l;e1xcre zn xile.
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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 falslen j)2947i bq2zvidj e 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 attru+x:p 5brc l9tibuted 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 attributed tyn ;fw agxql:x,u733+6 fizaz o

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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 en 23,n yba bcxighl 0kkcu-mmw1h/:b9s .,3egnters 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 = 590 nm), originally traveling in wcs,q/8byn 6 hw.qfy39vw.cd ;owj :wair, enters a piece of glass (index o3:j,owbys ;qdhc. ywwc98/nqwf 6wv. f 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 (wavelengthm(p h :1a*wofcrgi0/t = 590 nm), originally traveling in air, enters a piece of glass (ind0 mgt h/wr:(oaf1p ci*ex 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 rest/p9an ya3t j)m8 -*o .sipwdkponsible for light spreading as it passes through a narrow slit?3k/i*ms.a 9djopt8tpn y) -wa

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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 l: hz 7+id 3)h (q:xu ktz hhh2fux1k.yxrd7y)large objects such as buildings, whereas light is not noticeably diffracted. Wir+1 h dx:kfk.uxhth(zh2q7yz7u )y l )hxd:3hy 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 responsible0xh; gpn;5dlu2ngm-n for alternating light and dark bands when light passes through two or moremgx0lu-;n5; 2dphgnn 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 b/xb,ur0tfl9 wgw1.y t e 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 rays striking a screen are in phase wzj9voeta/bxm v +j0 re:61dm mjx*v7 vdj)/a .ith each oth: xmdav r)mjtd+jbv jvjmv7x* e691e/z / .o0aer?

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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. 7 ))iys4dump czo30p-hq) swx If the maximum constructive interfere-c y)ph)ozmu3q sd wsipx 70)4nce 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 differc(uzx e)3n1 xrent paths arriving at point P. If the maximum destructive interference is to occur at point P, the two beams mustnxxc rz(u1 )3e

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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 se70cch.xzq n/o- sjn2 d.9itbide of the central bright spot in a double-slit experiment,d-jqb t.z9ho/ 0ce 7xinc2.ns light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spoy d.pu-j-.8 u :l, pgoeb 2uye3wy)jpwt in a double-slit experiment, light from each openi3yd wo eyp-2.ue:j y -ubpg. jlp,)wu8ng 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 ei4iyu ,guhm ra7cavd1/gmd+e +(i 38t rther side of the central bright spot in a double-slit e 7a1uh+ d(4itc /g3dmmgaur+,v8 yriexperiment, 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 theqiz y4d 1+k8p9ptd1zk separation between the slits decreasesyp1di d9z zk4qtp+18k, 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 mr2xeyd,4 9f 77q8/ epebttmff axima on a remote screen is 1.0 cm. What happens to the pmx9brqtf2 f7/7 , 48ede fteydistance 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 coherentpjw b8f,mbt.w7e0 z; b 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 Young's double slit experiment arrives ata )/(kr (fumow a point on the screen one-half waveleng w/okrm( fu)(ath 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 obtai. .a)jpu d0vaxs uto*,n interference fringes in a double-slit experimenx) apvj tuda,.s0uo *.t if 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 adjace; ganp1v o39cent maxima in a double-slit interference pattern using monochromatic o;g1aen 9vc p3light 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 separab;ueua qr ):a-tes white light into different colors is :q-;a)bera uu

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allo f1xzi(dda9a/ x 4;k;qrs a:mnws a 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 sligtj4:8ag* 96h7ydyjurswyuq. htly 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 i wg:ss)hfxk 3vz4 *kj0s 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 refracfxj8-3itg. v rtion when passing from air to glav itxjg8f. r-3ss?

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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 ,r-nsjw: wq):5qphl r the smallest refraction when passing from air to glq, w5: n -rr:ph)jlqswass?

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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 sideyjh;:trhz( u p; .y :uf/fj/ofs, at an angle byh/puhfj oz.j: u/:;tr(y; f fetween $0^{\circ}$ 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 +r7.nf- -rzmscl4nr b o4jgz 8zg5fa4;n xst+fingers, with a very small gap between them, and looks at the light source, she will xrjn4n5caz ;-8zf gztr+g 4 +sl 7f no-brms.4see

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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 n4g mcem/ 5.hbexperiment, if the width of the slit increases, what happens to the width of the central maximum on a 4 5bm.mehng c/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 habtdreo2x *s8 k47u*yfs 4000 lines per cm and the other one has 6000 lines per cm. Make abu 8*s rke* d2xo7t4yf 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 slit separation, the only differk:znrg,k61s wrjm+m 9ence being that one grating has 3 slits and the other 4 slits. If both gratings are gr1kmkmrs6wn: z +,9 jilluminated 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 reflectio 2w/7(dhxqjdve* /uten 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 construcm,m i i57nbw qhn0z;u*tively or destructively, depending on their phase difference. 5imu*w; bnih07mqn, z 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 tehy1iui +zsyp+yv 1)) raveling in glass, strikes an air boundary, ther) uyhiv+z 1)p+ise 1yye 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 reflect+fhh5j()vmd apice :q31(lq90 g wvgsed by a glass surface, thw(qvq1 dp9eh(h+5 ) gj0asmvi3fg c:l 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 vu26 gl(k (u4 cinl4tow-ngmd;iewed in white light. As the film becomes very much thinner than the wavelength of blue light, the fillg(6g2m wut(n; n u 4-dioklc4m

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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, whatu gu* rwii-c,4 is the minimum thickness of magnesium fluoride coating that must be applrwuicgu *-i4,ied 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 placed on a flat glass pzo27 f3wda)a wlate and illuminated from above with monochromatic red light. When viewed from above, cod zwaw3)7oa2fncentric 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 vhu3 3m j 8bhxo:,nb vf+d 3yuu.q5-kqsunglasses can reduce glare from reflected surfac5:hv-j8 xh.y,ub fvonmu3 k33qqudb+ es?

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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 dir4wu4i ww az1s,pg 6ahd/8ax7nection 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 li6q7j4 749tb:d o6dfxm ) ypr-gt ,(wfpxwubd pght in a dichroic material like a Polaroid fi7x7 pr wyupddd:btb m gf9o-jqf4x,64wpt) ( 6lm?

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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 w4t1h/iv9uhi two Polaroid films are perpendicular to each other, w4 tvw/ih ui1h9hat is the percentage of the incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from th hagzls (h-gn38b7 3/t7vam dde 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 sunlight is greatesv.f7 (bx oxbt+t 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 diff8/a3k8 y be i(e;n2zey3 pgnqkraction 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 toward the zenitvru o0 os)/-okh (overhead) than it does toward the horizon. Th oor-o0 /kv)suis 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, whicee1e7pm:y lm) h has an index of refraction of 1.50l)7empe :1m ey. 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 gla+h61 sgklxpd1 58 elxtss, which has an index of refraction of 1.50. What is the fre xl15dte gx61p+khsl8quency 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 673 dfi ;u:j+4qew;/tvwchd h)j oyen a vacuum. It passes into glass, which has an index of refraction of 1.50. Wha v+:tn 7;jww4dohhfye)equ c;j 6/i3dt 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 vye c2:e49aoclzx-z2 +/ iqz n)psevv;acuum 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 tro8pi9l s;7u:vpi0nv w avel 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 58/ua m+utqbg3lz6 z: b50 nm in air is found 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 a oisy;c0a i);6lc /;dznz v;wrpart. Monochromatic light falls on these slits, and produces a fifth c;/ls;;rai nd;zvco0wzi6) y 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 oudnlz laqj,nn -y :+8*n a double-slit and the third order bright fringlju8,-y l n:*n+da zqne is seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between me x )-;fvrdx:the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between t:fv;mxxr- )de he 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 0hvxvdgdo41k2.); gvuvs6 c p 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 fr60u v.xsgv1o24cv )kdgph;vd om 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. Mh:sm)f p7 o-hconochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interferefc mh:h)7so- pnce 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 h4gs3m ug67iev(5v.t m7 hw bbpas 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 pv4ugg6mm (s. 3tehb b7vw5i7between 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 nm and 700 nm, strikeej y. a9uuxp8+7 gxtg,s a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm p.u, 8xyxga7tjgu+e 9 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 ligh)+ ctz;dc6vq)g t / x bfvwzpvcg,(*a8t (wavelength 480 nm) and red light (wavelength 670 nm) is inciqdbz(,)c8v+tv/6 )g w zfgpccv; xa*tdent 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 is the angula):j wud2mad ;wr width of the central diw;u2w maddj :)ffraction 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 b chenxo2hwo kln6c8rx1v3 eob/69xnk ( 8 ws;1y light of 550 nm wavelength. What is the angular separation between the first two minima on either side of 8/r6so1 vok96h2xn;b8lc 3n1n (x oxww ek echthe 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 incwy;8/ou:zrku z g1r3iident on a single slit 0.75 mm wide. At what dugz3u:yw; 18/rik orz istance 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 inw86 5kuqtbzuza4/ j vqo lcw,ru2a78:cident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central maximumuv2u87kwju 56b/ ,w:trcqzz ol 84qaa?

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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 0.8uvi) j xq3vaa f8ns.1300 mm. An observing screen is placed 2.00 m fromafiu q8xv1js8n 3 v.a) the slit. Find the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on vv4:vpm 5+rj ;ascjt1 a slit of width 0.300 mm. An observing screen is pla ;cvjv psavr j1:t5+m4ced 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines p l 91qts4 *zouj*u5fojer centimeter, its second order maximum is at 5 uu4zj f1to *ls*q9jo$62.4^{\circ}$. 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 linestqfpgbwhq v., ,9h k2-rq7*m k per cm. The angle between the central maximum and the fourth order maximum ist2qwfh pgv,q,mkq-hk *b.9 7r $47.2^{\circ}$. 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 1eom,dt+btf)naj5k: 75 mm wide and ruled with 50,000 line+ fnbt ak tejm1o5):d,s. 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 6009 3u3vyfdqb1o 9 uj(pb nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third u(vop 3bybu3 9dfqj91-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 ruled on it. Wb402tda,jqw: o;m u xmhat is the angular separation between the second and the third orders on the same side of the central order when the grating is illum: 2dwqmm4oat ,b;jx u0inated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. If the gratin - 8/idzvpfd*/pjq wa3g has 2000 d/dw 38-v*qif/ pjp zalines per 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) is used to calibrate a 3v6s lcwha/(grkx);cmdf;k:grating. If the first-order maximrg6kdsh: ac );ckw/vl; m( 3fxum 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 500 nm is incident normally on tf ir*lu83xd;a grating. If the third-order maximum of the diffractionirx8udl* t;f3 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 normallmcgwn- :6c g0dnw988.;pr: 9ensus f/ocls noy on a grating. If the third-order maximum of the diffractunr d.c se:g ncm8sw0f 9;p6oc l /s8-ngnow9:ion 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 pf8ltu /5c;1zjva sc5dlate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are thlcdj8515/v fut; sca ze 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 oc+jx2.q; abf pf refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally inciqa2bx. pf+c;jdent 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.osf/ncw df:c *3c.9 el.by:pr 33). What is the minimum thickness of film that will give an interference when the light is incidendw:3npc 9yfs b ..co: fc/erl*t 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 thicggqkr3tu+ 2s (8qknb 6kness of a nonreflecting film coating (n = 1.30) on a glass g 3qqskn6(k2 +ub8tr glens (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 light and the intensity o + slnl:2tur9yih)nr4f the transmitted light is 1. A second ideal polarizer is placed in the beam with its referredu)n 2y :ns9rhrlit+l4 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 directit,uc+aix17o- c nbp +non 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 unpolarizedr07w cy/ad+k d light in air strikes a flat piece of glass at an angle of /kyr+a d w7c0d$57.3^{\circ}$. 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 th6icgdzw/7u *ux lr+kj :kw(c21gdj6k rough a polarizer-analyzer combination. The transmission axes of the polarizgwj l: 71iu6kkcx6u kzdc+r/g*(dj2 wer and the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its image reflected in ca1n2 ivmpl xu23 o0kaj07z,p uwlm water is completely p jupnmo0u2xazvl pi 2wk3,107 olarized?

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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 passesxbbkkg26t(5n sp.th3s yb xqd /fs -(2 through a polarizer and then an analyzer. In this process, the intensity of the ligx(k3 s(kftsdg 26t/pq2b 5-ybx.bnsh ht 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(2 1z7ss 6o petbcg4qj traveling in vacuum and reflecting off a piece of glass of index of refraqssj p(7 o1ezg4t6cb2ction 1.48?

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