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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 princi)qx rg,:e2 lkr qi*e7yix 8+wqzu0s i,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 ad5 rf,gfq e18gwu)w ,(x+( 7ah wowams 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 ligh3+p )nvh7tve yn2tj b+t is attributed 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 attrib e dj.l( +5oal1,cuthxqwq*l9 uted 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 mt b1b(su5v2du 0k3p31 cfrx iof 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 traveli :2:eem0gxfcsng in air, enters a piece of glass (index of refracmx:ce:20gf s etion 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 lights(u )yr(miau u- t7ubxi5,q9i (wavelength = 590 nm), originally traveling in air, enters a piece of glass ((yq(iu u5ix b t)u9am sr7-u,iindex of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes through a na;dfi q:lhi5d- o)i2vbrrow ilb-ihdo)q d:;f i52vslit?

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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 buil eb0yw3vzz1f)* m)n )66kc pgzn8 b)-kmbif uadings, whereas light is not n*fyv ek)z0g)mkf6c1)6 b iun pw 8z)mabnbz3-oticeably 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 alternating light and dark bands when light*j qhc *gw z,rt.11gco passes through jg1 * rgz.,ho*w1tcq ctwo 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 coherent if thez)26jsijjy8n4 k5kq3 f vgn v2y

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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 zf(agk,exirb+ 1n /11a 89wvzg ;ndantwo light rays striking a screen are in phase wiiag1 xbdzz+/nnv8g1k1aa;w n( r9f ,e th 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 trave4msp;ce jg. q-*lx6eq q t4-nml different paths arriving at point P. If the maximum constructive interference is to occur at poig4q;m n.- *m-x jcq 4el6seqptnt P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P aupi3 lzqf.k .7jxk9,. If the maximum destructive interference is to occur at point P, thek x. ,jl.qi3p 7kafuz9 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 q i,ay60: esr*syk.djin a double-slit experiment, light from each j. 6ksyqir:eys0ad * ,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 o)yj 0c s5qex) zcj6( fvag0ckx(,a;z the central bright spot in a double-slit experiment, light fromj( azgsx60cycqfzk,o (x5j;)va e c0) 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 eithet ue2g aapadk(x) (052)t pytlr side of the central bright spot in a double-slit experiment, y2( dpl aux)pa(k2 5at)tg0telight 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 exper u )a qcc;kkv9wb3/rkz5ot3x4e ina 28iment, if the separation between the slits decreases, what happens to the distance between the interference fr)x3r u neaio8/k49tkzw5cv;a kb 32qc inges?

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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 di*,lkk.rt; ay a+idxl: stance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in hl;r.d+kxt, kai*a l y:alf?

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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 travels pa z89 +g no+ywkkdl7xn8th $P_1$ 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 experime:dnwh cqu.ic7x y54(j h*qhg+nt arrives at a point on the screen one-half wavelength behind the wave from the other slitwd:(.hxqcj5 h4 n+u7iycgh*q , 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 06y97; wv31o /jxkrjrnc v2ahtsk3prto obtain interference fringes in a double-slit experimecxr6rw; y 20vvkjjp13sk3n a h/ tr9o7nt 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 adjacentpfz*skzvr ,9 ;,y3;dzp oj1 li maxima in a double-slit interference pattern using monochromazi* ; ykfzp1ov pd9j,sl,r3z;tic 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 wh1p8i/ eg k won.o9sq2hite light into different colog .okqe 2soi w9h/1p8nrs 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 aq q5 b2iqr-y1ula)l( wllows 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 wavelengthb b0-badqkm34gg5gy2 slightly 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 79 imk7) m8yjgb;)2gw2jkslu w50 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 r 6kn ;bwhwlu+t)bgbe;os,(+jefraction when passing from air to glewbtb+h(oj)u;n 6b wk,;+g slass?

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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 4*gf88 pn6kpybw8mz drefraction when passing from air to glawk4 z8ym 8f *6bgdpnp8ss?

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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 witd19b*hp/ jhm9)h t awsh parallel sides, at an angle between hsh 9dw/t p1 a9)bm*hj$0^{\circ}$ 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(o- x:x10aufl7c, e hp,nbyra she now holds up two fingers, with a very small gap between them, and looks at the light source,rlp x,e:(nh xb7aaou1fc0 y -, 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 tu; yi;5*g ysbvhe slit increases, what happens to the wyb v;;us* gyi5idth 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 ou.tlba 430b4 a6 7cfivjd:zvgratings; one has 4000 lines per cm and the other one has 6000 lines pe v63abv: l.fcd4ot7 b4ji0uzar 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 slit separation, the only e 3-x: mm*kt(+qeok;s g6twdo,py6tndifference being that one grating has kntdx6:mp- g o* m+sykq 6wt3 o(ete,;3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by r/ l:-txbia1dxrt -x1a eflection 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 constr -lcwvedynuo- 8x oqle) ;4)m/uctively or destructively, depending on their phase difference. One consequence of this phenome -o8y )qod e4 -wmve)nxlc;/ulnon 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, si.:lr7ly r cw8trikes an air boundary, there 8l7: yr iwlcr.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, igru/jqz c55rn - /bu2yi-vhw3s reflected by a glass surface, tbny53/ ijwcv quug5 2zrh-r /-here is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film becomes very ml n2, x)yow7guuch thinner than the wavelength of blue light, w y,on7xgul2)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 magnesizx+iu-/ v,v bwum fluoride, what is the minimum thickness of magnesium flw-i+ u/zxv vb,uoride 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 placed on a flat glass l0pcv61un8 f:ztijd* plate and illuminated from above with monochromatic 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 zltv j8:*ifc10 p dnu6direct 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,r6gp )kzj(l0t shn,i fact that certain sunglasses can reduce glare frz(g),ljt,pi6rshn 0kom 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 polarizy-w i2;l4 su a;3yjgmz1kc*zmation 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 material like a P ;odgst svii6bvfvc8w( 2h3(tx9;j t *olaroid filmi9vxhit(g jd(3; w28ctsf;v tos v *6b?

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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 ap,h) h+79 favnklfot;+pgt v(re perpendicular to each other, what is the percentage of the incidefvoth + t;hl+gn)afvkpp (9, 7nt 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 the surface ob4 dgvot xi0(9( blql3;1nfary) 1vyr f 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 suf+9;e8se s-vds5f fbc 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 diffraction NOgzy; ab u2b k3w1(cmc0T 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 apprvmpjbbuzv.5) dilct(6 rou9(5)*w dears to be more blue toward the zenith (overhead) than it does toward the horizon. This occurs buld(j5(p trv) b.zodim*) 5b9vrcw 6u ecause

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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 6yb9wto)8 7r x+zi7uj e00 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wyj z)9rw b7u+ix7e8otavelength 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 nmwm bwfiv9f51 tc3)ls 55jx-ld in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the fre3dxl 5 jic9w mbf-wf5)l1ts5vquency 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 v ec o +k*l5akxj,p:1rzx/6gqoacuum. It passes into glass, which has an index of ref/r oojk6lx:x5g1+e a qkz,pc*raction 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 found to travsy q0i)6fyg.tel 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 dx+ttkn3amet4a1( h5$1.96 \times 10^8 \; m/s$ 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 travelj q 7bvb2pd8a0n0f am3 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 on these slits,hgkl( 8qb4 -il and produces a fifth order interference fringe at an angle ohi84bg(l kl-q f $32.3^{\circ}$. 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 d qhb 6y.z(spw)n hdj1yt9 3 ))vmyskc,ouble-slit and the third order bright fringe is seen at an 9ycm w)1(znhty y,p.) q3sj s 6dhvbk)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 experimendosmp3l)n4 1 /uhgrbv *31vszt, if the separation between the two slits is 0.050 mm and the distance from the slits to 3sb1mog1d3u h/4vl v *zpsrn) a screen 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, and two wavo, x+3ivfsc )aelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distanc fi+xcs3 a)o,ve 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 wb8;q uzn 1e*** hfjptfavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent ez1 *hjp; n fbqft*8*uinterference 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 sligd leg/+j e00pt setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation betweg0gpel/j0 d+een 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 an6zc uy(3ys 4ned 700 nm, strikes 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 and 1.4760 at 700 nm. Determine the angle between the two u4 s6n3(z yyecbeams 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 redqox 4s83 xfq7b light (wavelength 670 nm) is incident on aq 3fbqo sx8x74 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 rn1vzm:1 yq pu5pt /2jis the angular width of tvy1 zm jp1/5 r2pnuq: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 illuminated by light of 550 nmzba ox*1t x3)2fqoowv v:;3ap wavelength. What is the angular separation between the first two minv;3w*fp:x q3t2zabv 1 ao)x ooima 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 8ee5, i*q39sen)j uohuml2v z 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 from the cent3zheqseo l8)2m*ni 95juue, v er 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 wid -xuafs/*uj . s9ltlt6e and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central maxi9*ax6tl/fss u tl.ju-mum?

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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. /e(liqs 1 wnhu4t1ah: An observing sc(haus weq/11hn:4ti lreen is placed 2.00 m from 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 a slit of wid+orjp3g cj. *hdb1zm ;th 0.300 mm. An observing screen is placed 2.00 m frombo 1m.dgjz+jp*c; r3h 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 per cencr5e+seiq ;) k;pa-94wvi e0gm:sedhi zc.z1 timeter, its second order maxieq-v;am ;d z9re 5zc.)chs4pg si:1ii e0 +kwemum 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 hasorao0* t)q( wk 5000 lines per cm. The angle between the central maximum and the fourth order maximu*a0o)q (ktwrom 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 that4,kadg6-j :sdi6uaev is 75 mm wide and ruled with 50,000 lines. The second-o6adgk: 4e-6u js idv,arder 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 waveley 880z eplwh6dngth produces 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. What is the wavelength of the light from the second sourcew8p 6e8ldzy0 h?

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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 bcqfuh(td+rm0 524bntkwl1+ lines per centimeter ruled on it. What is the angular separation betwqlr5+wm4bfb h+(1ntc02k t du een 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 hg+ v6 nw.4izpv8tj*ru ues by a grating. If the grating has 2000 lines per *6.+v jrp 84ivz gnwutcentimeter, 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 calibrateke)c cg 93hql,kvbm8; a grating. If the first-order maxi kvcchke3 l,8gq;b 9m)mum 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 oup:g :,oq-7omr c3yes.v1w4+ysgr e bn a grating. If the th, 4.gm: 7 y bwerq1+:ge-povsy r3ocusird-order maximum of 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 of wavelength 500 nm is incident normally on a grating. If z/06-w i:ljyd rbyi.uthe th.0zy/ b -dury6iiwl: jird-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 sep :vi0g(mm( svmarated 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 bv :svmg(mm0i (ands 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 io0d(skv ; b:jrc -oc:sndex of refraction of 1.33. What minimum thickness of this bubble will:d jbs-c:r0(c vosk;o 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 = 1.33wr xrv i537pz3). What is the minimum thickness of film that will give an interference when the light is incident normally iz w7vx353prr 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 cwbo3on7 j**m r5s cc 2:p5kmsuoating (n = 1.30) on a glass len k p:ubcwjo5mss c*5 r2*on3m7s (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 unpolari h p68a w;tzczr3u5l:xzed light and the intensity of the transmitted light is 1. A second ideal polarizeru p5 ;:3hcatlzrw x86z 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 dire kqmcujzn07p(wy* 8d* ction 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 sp p*a.(8q zwkif l+p2xt/gng1trikes a flat piece of glass at an angle of (p 1*k pi.8q flng+ z2/pxatwg$57.3^{\circ}$. 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-analyzer combination. The tr;5 wrp(b jk)muw7 m4nxansmissionj uk 4m)mwwbx75;p (rn axes of the polarizer 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 reflectm6pv)/78uszsj, lj mred in calm water is coj/7p z ums68 l)jv,msrmpletely 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 passes through a polarizer and then an analyzer. In this procesqd-w ao)q0p+ys, the intensity of the light transmitted is reduced to 10% of the intensity incident on the ano )a-yq0pq+wdalyzer. 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 y7dktvkc:,r q 5; ahn,vacuum and reflecting off a piece of glass of index of refrac,hk qncd :ky5ra7,t v;tion 1.48?

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