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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 princiytmtb 0j:q eru9*, 5 :xlf1ylbple.
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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 falrc9+0u hipkjw/b9yz. 4jjj ,ese 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 attributed t/t:-wdx am:zk o

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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 at1797u m w czwzc1iwl9ltributed 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 of different optis ysy *)th:pc3cal 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), originalsegebp8*o.0 o ly traveling in air, enters a piece of glass (index of refraction 1.50), its freegp8.be0 o* osquency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), origina io/4odp v(yqe5fp0 6wlly traveling in air, enters a piecqvop/0yfwi 56(4eo pde of glass (index 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 ,2/y ogcv bd pn*7equ5passes through a narrow slit?5ve q7 c/no2ydupg *,b

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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 l0cn qj j hljms,e wrq9(b2e8:+arge objects such as buildings, whereas light is not noticeably diffracted0snjc e(q whjlrq+,m e8jb2 :9. 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 divhqsb1lz -c2,xf1 ( and dark bands when light passes through two or more narrow s,ibc-h(d f2q11sx lvzlits?

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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 cohere,.i.i9twsqd( z6 m0 sprperi/ 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 strafrkz9f sxhl2 r;8y11iking a screen are in phase w fak1f9zh1rr;lx82y sith 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 l)14 tx2qlmhsp (6ccimight travel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two 6 hc m4cs)(pt2q x1mlibeams 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-rzg2;i03 kx8 ag rppj arriving at point P. If the maximum destructpji02ra; z38pk rxgg -ive 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 either side of the central ,+9v ub;xhyum;gq-dy bright spot in a double-slit experiment, light from each hu9mv,uq ;yybx; dg+-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 er-qv*7 hf4ilx ither side of the central bright spot in a double-slit erqxf i47-lv* hxperiment, light 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 wek0-mab:9u vside of the central bright spot in a double-slit experimenumwb: 9- 0eavkt, 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 experimen cr zo*4b;6dlot, if the separation between the slits decreaser odzo*lcb6;4s, 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 obsekv:l z1ck4pa2-; gos frved that the distance between adjacent maxima on a remote scrk:l 24vsf ozagp ck1;-een is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light travels2k;+wz9zmw.8bdq k du 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 ofr6e/wq5o hsp 1fqtg v (2w*qe1 a Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the o2fwp1( ht6eqsqew/rg *v o 51qther 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 fsi96 wdnur0jic8k vd9.w k0h5 ringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light usew.kr900jn5 i6vw8ikcdsdu 9h d?

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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 max3(-c avhjn1w vima in a double-slit interference pattern using monoch nc1(3hj-vvw aromatic 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 different c9ew)q x0i v er 7p;9xtwiozq+h7:u;etolors i 9)p+xi e:r7e7oqt;hix ztevquw9w0;s

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rainbow to 1 -fsrl-dz 3iaform is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than 400( v wuuj)k))kh 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 7u:0 /orftsybis 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 refractioi kp89+2gy7n opi0d c1+qi sptn when passing from air to glas yp2tnpii+9g71idcopq 0+ks8 s?

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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 jruoy(a8h; 9cundergoes the smallest refraction when passing from air to 8cj(h ury; a9oglass?

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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 g 3erir3,oo8(zgwm /q nc. / 8ta-ejagis incident on a thick glass plate with parallel sides, at an angle between /,q8teo.i rz( 3gnaeowc/ 8rgj m-a3g$0^{\circ}$ 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 hog- a 8m9cg7tror1 bpb8g-3itj) e8pxylds up two fingers,obgi8y-8)b7a xtprt cm9g-rg1 3p 8ej with a very small 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 difo d4(oha tfd. bm,(u5ffraction experiment, if the width of the slit increases, what happens to the width of thfh(ob,5m .4fa ou(tdd e 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 gratings; one has 4000 lines fiar6;q v2xg+ cpdf)+qs s(r4per cm and the other one has r6 vds x q)q 2+s+pgri4ca;ff(6000 lines per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratibx*w 1xpif;643 x v jr.calan*+mielf:gh8.f ngs with the same slit separation, the only difference being that one grating has 3 slits xf4pi l:h*am3xavj lf b*c 8f+in;61e xrwg.. 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 9ypgc ) * u2s1zkxz:9/(vphyeu-ruov0xo2xc slick 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 monochromat2uvmr kq23nwr u c07;bic light waves can interfere constructively or destructively, depending on their phasb2m0cnuq 2kwrr73vu; e 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 tr/wja4un;fi oo*29 hq aaveling in glass, strikes an air boundary, there io*iq 2oan/9; wjhf4uas

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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 bp w;2pwmp8 (icy a glass surface2 (wpwp8 pcmi;, there 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 ficr w .l/cw3jzpx s;y;0lm becomes very much thinner than the wavelength of blue light, the /ccs0lr ;wpjx.yz w ;3film

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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 g/ag /yx/c )ibmagnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass ci /b)a/yxgg/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 a 1xbg (i tyv( ph*nlk:51g) :zot/lghflat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one ob(1: 5(t k)ghzgy1i:v/ahl*lopx ng btserve 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 rem9oearpiw2/x43eln3 w5 wn 0q sponsible for the fact that certain sunglasses can reduce glare from reflected surfaceenq n2miwpeorw0a5 39 x3w4/ ls?

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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, thw hry2yh 7q2b:e direction 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 lighw:bcu-f:/ckdq l4dg 7t in a dichroic material like a Polaroid fiduw: d-bc74/:cq lgf klm?

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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 perpendicularb6xmn mp6dvzxp/ 3(jzb m:05s to each other, what is the percentage of the inc0 3(vxmz6n /bp6bmzdp:5 smjxident 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 zf72, 5sntp bvsurface 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 sunlb95 n :az03nhhk1rfel nkk7b6ight 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 NOT exhibjo wkq3bw(a58n+s:mlae8 c5 t ited?

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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 zenith (overh qkt62doczhl0hz9qd+(x(d4r +b lyh8ead) than it does towy h(c+ q6bdol(rlz2h40dk8zqtx+h d 9ard the horizon. This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passj/ky cu ep2s)8es into glass, which has an index of refraction of 1.50. sup2c/ej8)yk 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 nwbpuh2 d5wgl6k 01ws(m in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the liw (1p6gd 2blkh suw50wght 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 vacuum. It passes into glass, g4 +p b+qncw :zqecr;0+0opmlwhich has an index of refraction of 1.50. What is the speed of the light in the glagzq++l ec4co p0:qrb0 ;pnm+wss?

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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 trave0b6trf* fyzyurd t)nwn0f5 +74x r2qil 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 0, h*77jgnb kph0shph nm 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 inot 50+w e5vhxwo*om ffk8gb4.9s hv 4n 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 mihci(g,x 7 ll4m apart. Monochromatic light falls on these slits, and produces a fifth order interference fringe at (ihl4l,7cigx an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit and the third orde:/ x:bha iw ec;ip1jr+7lt3 1sykt4bgr bright fringe is seen at an ai4br;wsxc1 a+pyjt /bk1t3ig:h: l 7engle 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, iemkf9zl r7j) ,f the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, frf kjz mle,9)7ind 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, thz uug,7 igf3 19nyhxed:p z1pxc 6+s-ae slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m frgzi9 s:+ ,u e 73-gxdyfz6an1ph1pcxu om 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?

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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.,2 ,(p 4ny-bos fdz jsrhuko/4 Monochromatic light of wavelength 634 nm falls on -bu fhyr,jo/zd ,o (s24nsp4kthe 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 double slit setup that has a sdqrw0 y 51u4jt9s 9ygflit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on aw 1qgs d4 ty9fy5u9rj0 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 wavelengths, 480 nm and 700 nm, gc(b+l+ l-h8yi8xmd g strikes a plain piece of glass at an angle of incidence of 60e. The+cig+ g8-lh lxdm(8yb 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 (wavely: d-7iqga52hgo4 y 4zv1qddtength 480 nm) and red light (wavelength 670 nm) is incident on a thicvziayd25 yd1: - g4q74hgqtodk 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 0o n,y66 g-8drn2vb o +8eexxpa.20 mm. What is the angular width oogy p8n2e ,ove +d66bnar -8xxf 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 illy2vj ((y d k-:wts:fxguminated by light of 550 nm wavelength.kwfyx-:(:v (tsjy dg2 What is the angular separation 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 u lt* tqums);0mm 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 center of ;tu0u l*mts q)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 i5a*o3q mfawxe7q1 , l 8 ubfdgggyv8)vsna*(9s incident on a slit 0.20 mm wide and the diffraction pattern is proln5v(b*fea8mdv ,xf 8 )s*19q3gya7gq g ouwaduced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An oil;-:4b 6tpp a2hx djwbserving screen is placed 2.00 m fromx id-p26 ht:ja4lbw ;p 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 n t-xr7;ej ;j+a5x uh mrpm(da6m is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Findhrtrd6+-(xpj 7a; jua5m;emx 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 centimeter, ny xdiy 14r 011tq:ziuits second ordeu01 n41idy 1xirtyq:zr maximum 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 5000 lines per cm. The angle between the cent/onq+z; bn drf4 skv-5ral maximv5nk4-bd/ z fn+ o;rqsum 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 tha8*ew8 )bpbh xe0rahn8y3k: jht is 75 mm wide and ruled with 50,000 linesh8k*ax0 peh3nhb8ebr :yw )j8. 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 600 i b 4mfsha5ur,vnwdk0gh 44es v685aks 4e/o4 nm wavelength produces a first-order maxik eunm644 sg8waaf,viv /54oe hk54h0 ds sbr4mum 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 source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled on it. What is t*wfqbyv-dy38y q 5np xoj;aj 0 zr(8(bhe angular separation between the second and the third orders on the same side of the zj 3qb ap(by 0rqyvx*8dy-n;(fo5 8wjcentral order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. If the grating ;;/j wcg jfy 99s +mssa6tu8lqhas 2000 lines per centimeter, at what angle will red ligy8gtm aw;;q/+9sjjf 9sslcu6 ht (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 grating. If the first-order max*jh2ib(g6+k 6 wnh oynimum occurs b 6ky62 jn*nhg(+ho iwat $20.5^{\circ}$, 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 a grating g1cs;ahou/a ;. If the third-order maximum of the diffraction pattern is observed ;1;u a /aohscgat $32.0^{\circ}$, 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 i,1umf fujx f0x 2k8 w, amptpyxsq+8,)ncident normally on a grating. If the thi ,)8+ f0pxfut8 sf,ukq,yxw m 2mpaj1xrd-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 glasvtx2xs1hn/* c uw8j)us plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 n*)1wht x 2x uvcjsu/8nm?

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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 refra 8q *m,lkrro)wdy t)w2ction of 1.33. What minimum thickness of this bubble will ensu8 2 )w)td rmowqkr,l*yre maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). What is the 1/ 3flxr cbwo 2d(30l wkjgwx+minimum thickness of+xj(gf ckbw23/w3x1rdl0l ow film that will give an interference 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 nonreflecting film coating (n = 1.30) ok81bvi q4sqz6 ;fnhh6 n a glass lens (n = 1.50) for waveleivk1znq 6qhb 4;8f s6hngth 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 oc3ruogz:z* ;mnckeq:-b j ( )yf unpolarized light and the intensity of the transmitted light is 1. A second ideal p:)m uj;g z *-cnbcy3k :eqr(zoolarizer 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 prefh2;ncqp f6r.s erred 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 59mmyo5ky 1f+ dekuh*glass at an angle of 19y *emf y5d5k mk+uho$57.3^{\circ}$. 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 polariyb 4nwccf;60j0g 7cm hzer-analyzer combination. The transmission axes of the polarizer 7c0j4ycg n6 w0mc h;fband 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 s 4.*/ 9cx kazm4arplzthe Moon when its image reflected in calm water is completely p mzr./psz9xclaa k*4 4olarized?

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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 analyz c,pmgxm7**1chs:nbl er. In this process, the intensity of the light transmitted is reduced to 10m lxsb7:pmc *cg1 ,h*n% 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 traveling in vacuum and (6ajg2x y9pey reflecting off a piece of glass of ind6gx(j 92ye aypex of refraction 1.48?

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