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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 principu:l2; . dteocv*( ikvile.
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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 : f*/cof +wbvh1cx wd+t8o3xttement?

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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 a q*v-l*t r+w jh9ighc0dyi(svc6 h/k/ttributed 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 ligyvdk v;u -bz0*ht 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 a3 qhr xkv,y+y3 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),-:h7ano 5,ndmfo bl ;cu*0s cf originally traveling in air, enters a piece of glass (index u,7fn f s*hbn-c5dc0l;o: amoof 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 (wavele a 2 optut0e3x,,iv3jmngth = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its ,iv0moett2xu3 pja 3 ,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 respoi2dlhrsfct e,s4 4l. )nsible for light spreading as it passes through a narrow d lle.,c)ss thr4i 42fslit?

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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 buildingsrw0 z7 x2tque;, whereas light is not noticeably diffractex ;0qwrt zue27d. 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 darksr ac5ui5 qf83c )wv*ad 82fsn bands when light passes through two or more narrow s5d3fa*58 ccr8iu )nfwssqa2 vlits?

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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 coheretn- cr: f.dsqz c(7xl:nt 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 arxlwqj :b+ 7z.2z hih0je in phase wit0i:jhzz2 jlxq7 b.w+h h 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 p wiitzumg n2 8nw;0n lbrd( b8a/j:w76aths arriving at point P. If the maximum constructive interference is toa6d;w(brn /b w 8t u0lgi:2zwimjn n87 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 different path-ge*s t)b rl;5fbfhn+lu)ks 3s arriving at point P. If the maximum destru-3)5) ;kfebblhnsgf rt *ul s+ctive interference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on le.pcyot7mjyj u62-j) n c) t1either side of the central bright spot in a double-slit experim6tu)ymp )-te jc.1j yjoc7l2n ent, 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 ofv u h*ypc6z6rbx8m (myw.e 3s3:(fnsy9lk n z+ the central bright spot in a double-slit experiment, lighfnzr m k ( 8el6z36sy.x9:wmnpsyyhv*uc(3+ bt from 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 side of the centr k ufnmcyj/mgpzz ;/9ksf+-86al bright spot in a double-slit f+ /jknc/8;ku-fys gmz pmz69experiment, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the slmy ajq3q sy;w 8feb74rf*oz :1its decreases, what happens to the distance between the infyzmo4e q7*:wf3y8 r bjas 1;qterference 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(x n 01zic7 tdy;jxoy5 maxima on a remote screen is 1.0 cm. What happens to the distance between0jyyox t(ixn 7zcd;5 1 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 tr f85k48qunfy5 rs-d9+ku bo *htpe:tp avels 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 Yol( 6nzr :o(lgi;zrp* aung's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the othera (g:lr(z6 o* pi;nlzr 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 interference fringe8 n)k5) cnkbcks in a double-slit experiment if the separation of the slits is less than the wavelength of the libk)8kc cn 5kn)ght used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation betweenag w0aa;dz cn,v-s; x* adjacent maxima in a double-slit interference pattern using monochromatic light d ;saxa,vn *0c-zagw;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 diffeq marcs. w eh60)b7c*xrent colm ).c r60qa *x7wbeshcors 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 c nq:ix,wm(k: r cej-2allows 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 wavelengthe ;:e8xs+ xauj;e cren (n3zo9v fu;w- 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 ,xx.hp hih 8e:83t abuthan 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refraction when passing from air txnok:37b yf z5nk4m kv)gq9; co glasszq) onx yng9 f4:c vm5kkbk;73?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refraction when passing from air - yye*;l v9aap9:vlqkto glask*p: 9yel a-;y9v avqls?

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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 o*v(i24 5vsms bp -fntqn a thick glass plate with parallel sides, at ap iq2n v*(5ftbs-mv4 sn angle 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 4d 19ozhm*nxetwo fingers, with a very small gap betm4x odz9h* n1eween 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 the width of the slit i qqzy3)x:) 371mrnwxg fu t/izncreases, what happens to the width of the ce n:w )/zgyq7rzimfqx ut13x 3)ntral 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 diffracti73vwr)n7k 11d qj en +duc;ix6b3toxfon gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two gra;okub +3rdxqjwn)1nc6e7t3div 1f7 xtings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction grrex*uuy:p ce5 1+i; ihatings with the same slit separation, 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 monorhcepey;ux 1* :i+ui 5chromatic 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 s thb ; b.d0i:dn+i;isklick are caused 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 wave1ndqu5x6ju/ 2v1z9lr/ 8ugaeo gwkym .( n 2kws can interfere constructively or destructively, depending on their phase difference. One consequence of this oy1r6x1qu5 n/k gdlw2k8e( m92zu au.n /gvwjphenomenon 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 btxinn08v6y;k 2mb8k9f gie-moundary, there mnii 9ye;fk8b 2ng6 kvtm-0x8is

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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 reflected byltgno+n71lzkyhe;q 4skv9+f kg+2w. a glass surface, theln w;yoknk4z t7h21v+.qs+lgegf 9k+re 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 viewewfn)f t qvt,wh:(r7 6ld in white light. As the film becomes very much thinner than the wavelength of blue light, the fiq7vw:tn(6) fht rw, lflm

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in magnesium fluoride, what is the minimum z, br8kn.y7ojr9dd,rfi ig7 /thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refra7,8 f jrbngk o.dzi9ry7di/r,ction 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 above0trzz )n0 hp83gz:fef 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 fzpzz08t nf ):h3r0 gethe 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 sunglasses4 py8o(;s/rzk qa 6kdz can reduce glare from reflected surf aokd(4/6s;z zqyp k8races?

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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 polarization is ls(g5lxw z2;tdefined 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 lieh vh- 8iik0-oox3r.cght in a dichroic material like a Polarocoihvhoei.-3 -8k0xr id 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+m x*snx4nklxwiam8 9+0:zlka) p( mmdicular to each other, what is the percentage of the incident light which will pass the am(mx+ )x0:a*pm9k zskwxnn+l l4m i8two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected fra) k zs/ 13 j)09zyhftgehl*ngwb-j*kom the 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 greatest a pi*z-zbb-sb.k 2 :jalt

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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 diffractionbfsb70t9f aat)d 2:f n02wj3ewgyu) a 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 appea8v( 7)pzi91yur:e,s qu *p oin; zpghi)tci8 frs to be more blue toward the zenith (overhead) than it does toward tc)8hif 9t7yz,i8zvu*s uog)p q ;1n:eri (ppi he 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 va;p+4r fwxmtx 2cuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelmp+ x 24;xfwrtength 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 passm )jb 7xmn )g i.t5gyx)*a+dyjes into glass, which has an index of refraction of 1.50. Whatb g yt)jdm5x gyijm.))x7na*+ 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 600 nm in a var*gxv16d1 iaq cuum. It passes into glass, which has an index of refraction of 1ia1g6x dr*vq1.50. 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 vacuumhm4-77ml:mm8n;nujye/ f tnp 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 foundlmx/qv5eqy0g;pgj. - 0 ssdh 2 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 travel at(fkgz8 qhz r, po).id2 $1.96 \times 10^8 \; m/s$ 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 lu+ j5spk.faod/9d k6x ight falls on these slits, and produces a fifth order interference fringe at .opk 59 f dj+x/sd6kuaan 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 the thil, nvncrz7h*j* .p5lhn) l ,ugrd order bright fringe is seen at an angj * g)pl lnlhzhc*n,5u. rn7v,le 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 71wakecdi( zt3 g xh:w9lo0u 7separation between the two slits is 0.050 mm and the distance from the slits to a screen istiuw0 a(x7wk 3z:hld17ec go9 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 experimen we;x/ f4(uvoot, the slit 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 a bright fringe from the other xeu /(4woovf;?

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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 nm fan-a3e)b f b1.q*gfkn dl.b*ngekbdf nfaq3 1)-ls on the 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 lightwj3xn2uh 9oy2a8tu9 b is incident on a Young's double slit 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 between the third-order bright fringe and the zeroth-order bright fri 98axuhb tw2o 9n3uy2jnge?

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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 nkxoxtgh--l/ :zj 7hha2b// r im and 700 nm, strikes a plain piecehxg-a-l:i /hhk 2 /or/zjtxb 7 of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue pqa l, ufdc4okjd 9/3ty(8* adlight (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick,utjl8(f*o3aap4 dk9dd/y q c 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 w vsebj)z/4dr6 idth 0.20 mm. What is the angular width of the cent4jdz) bs6v/reral 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 myqs2t6 g meips68+4exs7d) 9suiqs+pm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the9e6 ys+mus 2dpg)t q+i7xssq6si 8p4e 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 singghby.m.qt/q rd(9 qy.le 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 be h q/.qy. rdtm(q9yg.b1.7 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 widkzp20ya1gyf l68 xy.be and the diffraction pattern is produced on a screen that1yyx0k.lfp28gab y z6 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 is incident on a slit of widthe/wqj0n m9 3 opn1/*khfcu ;kl 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of thf ;q0 j/me c9kwlkup/1ho3n* ne first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mmad lk*(;;r nit. An observing screen is placed 2.00 m frtda*rl; ;k (inom 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 lirrfg1ez4hm7) nes per centimeter, its second order max hrfg4m 1r)7zeimum is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 500fz-3w,2z g a(t kcmg7x0 lines per cm. The angle between the central maximu ck2fg-xwz7,zm(3 t gam and the fourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating that is 75 mm wide and ruled wip,w1u0rud g p(i8p9zjth 50,000 zw9u dpu jpi 0gr(18,plines. 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 6006arn gd1l9okg9 kio( 0 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-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grati90k9kido1l g(roga 6nng. 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. What iqq eu21is7a/o s the angular separatioqsaq 12ouei7/n between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. *z(:(0n.n1bnkhvuj t-n zrx(hcm r3b If the grating has 2000 lines per centimeter, at what angle will red light -v1rbu( jh30:hn(m* tzrx n bzkn.n(c (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 gratin x v9aslgdn/ ;rwn*u09g. If the first-order maximum occur9/ rn;* gdlv0 n9sxwuas 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 inciru bwyq34*k bbis2,6ydent normally on a grating. If the tq b,bi*sbyy4uk 236wrhird-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 normalj f;xpc1oat7 hlm87flbx0z :-7 i vs:tly on a grating. If the third-order maxht- ; zx7lfa f:iv 0tsxbm7lc8pjo7:1imum 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 at onoo,fg;m4hi f /a mo/)a a--fsus7 vfe:e end by a strand of someone's hair (diamsa moim:f uof7og;4,// - a-)vefshafeter 0.010 mm). How far 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 minimum thi;9v,c4 gxduxr ckness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength light?gxrcvx9d,4 u;

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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 = y . l,)4e qn3f .thwa8lvp4drj1.33). What is the minimum thickness of film that will give an interference when the light is incident normalll8f,yt vj .al)3 qpw h.4enr4dy 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 c)rj1ywjo ; y *5z vt+msfn8c: ct/jdz4oating (n = 1.30) on a glass lens (n = 1.50) for wave)8 j+oc y4/f1zjmd n5r;s vt*w cyjt:zlength 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 t38 1 hc rqddsu.i tx1mca- cx*ln05a*mhe intensity of the transmitted light is 1. A second ideal polarizer i- asmc0xtxci 35umc rn*1dld*18.hqa s 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 direction rotated +3mfg 9ieikx8 $30^{\circ}$ 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 aal, *n/k r+jldir strikes a flat piece of glass at an angle of d/jln, l+rk*a $57.3^{\circ}$. 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 comj voym49)g z5wbination. The transmission axes of the polarizer and tz9yojg 5)4mwvhe 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 cad3(9z.k l7y.pmtq v ceq3ya4rlm water is comt3 4kyqqpy7 cld3r9mz( .av e.pletely 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 polarize;ggnn innfx5 k1.:-zts l0k3b r 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 thebn10: ;tg3fxnz5-.ksnk ngi l 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 vacu qh)ke.3ju9nb7reqv3um and reflecting off a piece of gl3e9 n kqhuer)7j3 vb.qass of index of refraction 1.48?

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