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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 11ha+zausc6h e.
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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 statq h:8gvqu *3ruement?

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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 atu kr5bdnm1n *.c.l.kxg8ij l7eeq8 3ktributed 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 attrac z j nez.hs;,m*+91hy3r xpvibuted 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 mediumpn p;) 2uzaqf r79y)ig 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 tr w4+-d ztgx:rdjr4made9 l4y9aveling in air, enters a piece of glass (inj m4d:tg+axw4r4l 9 d9dz -reydex of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 59f5 ,jgb-jp oe90 nm), originally traveling in air, enters a piece of glass (index j59oj, g-fepbof 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 passe g dj*h7apmb u72uh*9ps through a narrow slit7bdmap7p h*u29j*uh g ?

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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 laxfy- (emkfe j9:kht2hi6*m ( irge objects such as buildings, whereas light is not e:2f(h*y met-ifk(hj i k6x9mnoticeably 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 ligh, *,*gbo4m+sz*vuz iltofx2 p t passes through two or more narrooz,+x,t*s mlb ovpf *i4*z2guw 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 oj-1y.)icgb . z )mmh l*k7r7p 1ossrkto be 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 gny9)q: i *bj32qtymrscreen are in phase with each oty9q 3n:j yim2*bqr)gther?

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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 kxy.;q8 s 2aiogu 9n)sknh *i-different paths arriving at point P. If the maximum constructive int iysk hu9n8.2i xaso* k;)n-qgerference 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 travexfq:xyff-1 92wxp2ybe9 9 y gnl different paths arriving at point P. If the maximum destructive interference ix9pn fwyy:91bg-2x qx fe2yf 9s 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 sidumsjm k u/j*9x1+kuk(e of the central bright spot in a double-slit experiment, light from each opening arrive+/km(1s9jkkmju xu u* s

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in a double-sli mo- 1ewtz44v 3y3oxnvt experiment, light fn zytve3o4ox-v13 4 mwrom 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 central bright spot in a double-slit our:9+qvpu 7l4ve9ea m xyc0.experiment, light 0:vcy9merov49 p axeulqu 7+ .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 slits decvplb f 99g.)dcavpe9) reases, what happens to the distance between the interfere9 a). gdevv9bfp9c)l pnce 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 to 2yk v9)wsdp 85qj9gthe distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when 9)q vk9p5 wy2 gsojtd8the 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 travels pathc,i5bdwv.t40z ea yc oolm,(3 $P_1$ 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 sli pxik(he71sg nfwut/ p8 9e++it of a Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that point?9w+ti (x18gn ukpihf7e +/pse

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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 tobehjfppg1 idgoh4s 5/8fz)-4 obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light us/1gpsfofi hd 8-zeg4 hj 5p)4bed?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-sli,b8breh- p85tmm5laeml2) wl. fec*it interference pattern using mon)t i5p -8bbr52wa .lm*,8hlcmefle emochromatic 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 ex qh(e1ukc )dmwl;q3 7dplains why a prism separates white light into different colors i)m7;q 1qkud3c lde w(hs

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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 form f50 4jleob:vifoe3ptp8 a823ju ;jplis

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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 nm is f fir7zo71xg,xjl* .mcalled

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm is 6 b7oksds/sb0 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 gri ni*cm9 om9q:eatest refraction when passing from air to mmici *n 9oq9:glass?

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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 airmb0ef. jnb/hzr+m.0i to glas0bejhmmr 0 i.b.f/+nzs?

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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 o95e4ad )ekmyby) 9-8sxx+ mld tenpt- n a thick glass plate with parallel sides, at m - b)n a95y984yd-lstpeme)xkd+ txean 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 two f :g ej8xm.ym0t fnpm-2bm1y/*jac)wr ingers, with a verc )1e r myfp/tgmm. :najjb-y8* 02mxwy 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 diff lk5cr8;- qo0c .vjwwiraction experiment, if the width of the slit increases, what happens to the width of the central maximum on c lk wcrwo0j5;q8-v.i 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 byob 2j8:8pwj0q7 xhwgratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispers 7jw82bxq 0bj8y hpo:wion 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 dix 3eg q;kk2 tm*.bx-8v vhbgh+fference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separatione;.km8 2g*v-hbkgqv tb+ x h3x 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 aruw)n gz 9oi5v50i28nzuaqzz *e 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 waves can interfere constru n7vrkxqg k1*j8+byc *ctively or destructively, depending on their phase difference. One consequence of this phen q nvg +j7ckx1by*8kr*omenon 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 twffgb4q+7zf s :h0xi5+*wnkx)o z1p oraveling in glass, strikes an air boundary, there g1+n0wsxi7wof5 k4*b:)+zhq xof fpzis

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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, wh/; gzd2)q lfq m) *6vhprl1yqvich is traveling in air, is reflected by a glass surface, th1;v zg*p vl )hm/r2qdq)l6fqyere 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 iv..6 qjfpu g4en white light. As the film becomes very much thinner than the wafu4vpg . jqe.6velength of blue light, 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 magzn3l 1b3, ,f9p5 *wxyeghovtk nesium fluoride, what is the minimum thickness of magnesium fluor eb wtg,95,zfv 1 33oxlnhpky*ide 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 plac lki.msh;wt3as8f )d ; *vvq/wed on a flat glass plate and illuminated from above with monochromatic rw ;d*imwh) s;ksf ta/.l3 qvv8ed 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 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 fact0t0 mgis68pwqmxm. v: that certain sunglasses can reduce glare from reflected surfaces0ipg.mw6vs8qx m m:0t?

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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 dir-fi x6 .,yty,dtk www0ection 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 polarizero3 0)xc-f 0p wo+toups5ijw 6; lk3hkd light in a dichroic material like a Polaroid filw3 pwoc)okl j5oki fr+ pu0t0s63;-h xm?

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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 filmsrr0 3oc(oolm9c,an*k are perpendicular to each other, what isn 0ocmr *ac(,lk3or9o 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 the surfac(sonb+-4 4elmhax0yssvp+ +je 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 ggv6g i f5l7 cw i+n h5ie/rv20qgwt9 ,uryq6n5reatest 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 exr +p )3ay: 1y1ajqoytthibited?

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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 zen( 90 a+ wb*dhsg)ba14 0ao5agw bsyqhnith (overhead) than it does toward the horizon.agbh+ oa00(gq5by4s 1bw)h*naa 9 dws 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.m0guj)6n qhmi:fbi5 6( etui. It passes into glass, which has an index of refraction of nuqi b. i6t56em0 :um(i)jhgf 1.50. 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 glass, which has an id/xo7f-s*eji fp, ( )1xg4tp boez* itndex of refraction of 1.50. t7xf ip t*-p fzdio,j4g1oex s()*e/bWhat 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 vacuum. It passes171wwuy- cwb.. b3gg;+bf *sml dbaqb into glass, which has an index of refraction of 1.50. Whub.wl;b1gbs.wc gqwb df7 b+ -*3a1myat 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 vacuuqx0 j s,cuf ep3btz*);m 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 travel at2yus:b(o,vyh $1.96 \times 10^8 \; m/s$ 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 if6s81 f*2 yyt)snbse 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 apart. Monochromatic light falls on theseox w6vf1j;3 +plxq(odh2qt( w slits, and produces a jwpv2hxfo6ow qq13dxl+ (;t( fifth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm fa gk*bg; jsm4okf* h,b+lls on a double-slit and the third order bright fringe is seen at an angle of ; okbj b,kf+4shmg *g*$6.5^{\circ}$. 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 experimentntszjpx17pv3e xwap.77bt0qo o 87 (t, if the separation between the two slits is 0.050 mm and the dista a3qswnpj0t.o x7(o 87pt7t7zxbp1e vnce from the slits to 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 isp3pk1b lw)4eao hemf 7g.4vg7 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is plg41pvel emofk .7h7gb34p a)waced 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?

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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 ljtscn 5;-r-:ggt5f dfight of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interfere tjg f;cdf rt:-ns55-gnce 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 Y7,lcswe/ x,zc7xkor(lf) xy :oung's double slit setup that has a slit separation7s wx,x :l(e)kro 7 ,fy/zcclx 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 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, strike5m0e lkf 9wlt :*h(kdds a plain piece of glass at an angle of incidence of 60e. The index of refractl( 5wldf ket h:k*0m9dion of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nefl h xb7ye/ m3-m)m5im) and red light (wavelength 670 nmxm3l-) 7 i 5hmeb/yefm) is incident 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 singlxl7zglg -9kkie:d5m:78 juzu e slit of width 0.20 mm. What is the angular widzulkuxm859 jdz elkg77 :ig-:th of 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 lihky j.d-s;r2xoxnd )3g mm.t3ght of 550 nm wavelength. What is the angular separatioo hk tjnx m2x)m;dg-3yrd..3sn 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 sic6i z*fl(gsvl tn282u ngle 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 1.7 mm from the center of the sil2u(z6c*t l v2gfn8screen?

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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 wide and thpu3 uy *u7+qkre diffraction pattern is produced on a screen that is 1.5 m from theu3pr+uku* y7q 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+8j)gjxchdu bn30(f(a*m wf 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center ofc3gme* njb+0h j8xf)(uf wa(d 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 mm. An observipo4 2a cqlgz:mua-g) -ng s)gaa-cz-gm4u : p oql2creen is placed 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 ew/od yteyww..c,4/ ycaj(dq/1o lr6with 7000 lines per centimeter, its second order maximum is ateo/l6ya e/o d cw,q (dyw.jtcwr/14.y $62.4^{\circ}$. 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 per8 ujcfn*v6 bc+ cm. The angle between the central maximum and the fourth order maximum ivccn6j+ f 8*bus $47.2^{\circ}$. 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 fere +i c/)m 3rmdr2;kincident on a grating that is 75 mm wide and ruled with 50,000 lines. Thi rc e;/k+fmr2r )med3e 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 experime0cspm cm1sl9j5x7 ;hpnt, light of 600 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 fr1 xcp mcsm7 jl5p0;9hsom 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 the u8fp r( x.t *)mdousk)l512;ia e kwuoangular separation between the second and the third orders on the same side of the central order when the grating is illum;5uu)x w(sau 8klido kf)1r2.epm *o tinated 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 byricjoxnw/ 5cy+) h d/5 a grating. If the grating has 2000 lines per centimeter, at what angle will red l hi/r55)/oyc+dnjwx c ight (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 calibrat:ixhset(t(8dxyi / 3 be a grating. If the first-order maximum oxdy:t e8(bi st/3(ih xccurs 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 a gratindazyl ( rgv h179e7dh:g. If the third-order maximum of the diffraction pattern is observed :(a9 y7 rgvehd17zdlhat $32.0^{\circ}$, 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 nm29 u;b;-m tan-plxvxy is incident normally on a grating. If the third-order maximum of the diffraction pattern is obs9;l;u-2pa xyvm-txbnerved 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 anoth8 t2mv*ec m,svv3 ;a.rc;5( rkybakyder glass plate at one end by a str ;mdk82mrca a 3yyb ;vvcte.(v,s*5rkand of someone's hair (diameter 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.y0/b:yjg3sa l0a,s83rv dh lc What minimum thickness of this bubble will ensure maylcgs 3y3a ad 8lbr :0/sj0h,vximum 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 nmjel)win,y 9nixn6(b 7e8ht,g illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light i(eng nw)bjn96l 78e,h iti y,xs 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.,i.cu c: lghkos5(f8a30) on a glass lens (n = 1.50) a(o suci, 8hc:f5k gl.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 placecl*r3g3dn 7i 1pb rqp9d in a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam r33rl7p9b* 1qncgdipwith 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 itsn9uei 4iuku31,/b qvy preferred direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of glass at an angle ofw(gwt) :rv q2k tw gk )q(vr2:w$57.3^{\circ}$. 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 pass2krmwb,*q8 boed through a polarizer-analyzer combination. The transmission axes of theq8*w, kbr bm2o 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 irjzj g87snm. sky9 7+nmage reflected in calm water is completely polary77zj.n +nsksjg8 r9m ized?

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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 prgxqh/)6ig o;gsj/ nh6u-no/ oocess, the intensity of the light transmitted is reduced to 10% of the intensity incid) u6 nhgh/og/ons xg i;oj6q/-ent 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 trave5x0um-b roy d1ling in vacuum and reflecting off a piece of gr 0ox ubdmy-51lass of index of refraction 1.48?

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