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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 principlv -3qbn *uas,le.
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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 falsew7 zcqq6vc e2+ 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 im1/(k )mmwdfv ;r,.suytxl5bs 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 light91drn7/wn 8h .+ywywfsd 3npy 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 a medium of different oa ed pma4q) a5u2j+)jiptical 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 (wo4f( c(i9l0 nwdmjx.k avelength = 590 nm), originally traveling in air, enters a piec(.mk9lc xn40jd (of wie of glass (index 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 = 590 nm), origins g sns+h6 +kaga*a88cally traveling in air, enters a piece of glass (index of refractiokh* aags8ss+g 6+nca8n 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 spreaddi )2bxd ckfeh*lh6, 8ing as it passes through a narrow sl*d6hb2 eixhkd,cf )l8 it?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffrppq:h(g4 wm(rk7ue c8p1 :a/t 1yhqctacted by large objects such as buildings, whereas light is not noq1hc r:ypw 7c(tuq/t14pah: ( gmp8ekticeably 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 d/ s3:ol9 ta1 g0p k(gm2g /qdjyrbuwv)ark bands when light passes throu yak31wt (oqu2r/gmjd9sblp g0 /vg :)gh two 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 sat k+;k v:gwv7hid to 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 screen are in phase ahj2x2a zol 33wixh2aj al23o3zth 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 paths arriqej0z3i,c jt 7ckg+5.rrx( edving at point P. If the maximum constructive interfere ,qj7c0jxt cgrz53 +ree.id k(nce is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. If sj o3 o)e(x3ci z1 )jwbdx3ov5the maximum destructive interference is to occur at point P, thex1 oj ))wv xjdb3cso3ieoz(35 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 eiovd8bk ,5fs l)ther side of the central bright spot in a double-slit experiment, light from eacbl)fsv k58d ,oh opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot 03jox35n2:hnwivdmc in a double-slit experiment, light from each openi3 oj chm5302x:nw vidnng 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 centralnwf tff :0;tlq5b+h9bou+q* v bright spot in a double-slit exper*0 9htb+tw fffqb lv:no+ 5q;uiment, 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 *bc ldvp)r4*h the separation between the slits decreases, what happens to the distance between the interl*vd hbp4c*) rference 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 experimenii* :i 1h6awclt, it is observed that the distance between adjacent maxima on a remote screen ic*i 61 awlhi: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 tjl.pb /(zg ,raravels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's i/4z a2g 5b1ee u-7zkl +tebuudouble slit experiment arrives at a point on the screen one-half wavelength behind the wave from the otherlzt2gebe ik+e 5ub/17za-u4u 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 impossibn9jni r5qcvflk9 0; b+le to obtain interference fringes in a double-slit experiment if the separa jcn0vnkf rb9;5iq+9 ltion 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 adjacent maxima in a double-slitp*j9j yx6zb q1 interference pattern using monox1zyj6p9 *jqbchromatic 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 qon; .kz9s4ibinto different col;kszqi.b 4o9 nors 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 allows a rainbow to fo9vty7/bkwa7hceox 2t a( d 00urm 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 ssqnl w0ptd h;p6s m8b 3ln:w*7horter than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nmmzj6lh*0k5+z/4y;py fyl ex)sa m9 j j 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 to 2 lh2j)pegit5glah2 g)l25tip ejss?

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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 sma 5w7 zzhap.o9yte:3v lllest refraction when passing from air to gl 5 pea 9w.:7v3zhztyloass?

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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 glassaav2yy-u x1,i plate with parallel sides, at an a2ia1,ya vu-y xngle 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 finge::w ydp0u gvfkw5,iy/ hky-zd l69n 4drs, with a very small gap between them, and looks at the light source, d: /,y0:kd wyizf5 h d ly4wn-vupgk96she 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 experidotsby dkd g,2c7hk *de0hvm .k 0qym:0c26x(ment, if the width of the slit increases, what happens to200kcd qch 6ed s ,v:m7d dyobgmkt0.k2x*y(h the width 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 gratb+u o.vrppe8am,yh6z 9 -bmq)ings; one has 4000 lines per cm and the other one has 6000 l.br9- yv )hu8pmp q6a,eobmz +ines 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 gratings with the same slit separation, the only dif8k1unejh p-bf .bpjuz2r .v4)p5l 3pdference being that 4p81vbujp3zh2..ndj-l) epf u5rpkb 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 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 aagre - pag:iqpm32q* 8re 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 constructivebzyy l v ud*:j4,xm4(+ lzjbm0ly or destructively, depending odx bjv+z my0,lb(jumz y*l:44n their phase 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 traveling in glass, strf;y1 3 kl8w cv4upac-fd.oyv8ikes an air boundary, ther 3vfky. wv -ya8lp4c8uf1od;ce is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is reflected by a glass 0tea d bwe,4m2h i,ya/surface/4etmaw, ,h0 dbia2ye, 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 ligh -f2 mlva2(e:q,tciwut. As the film becomes very much thinner than the wavelength of blue light, the filcieu(2-lmaw , v2t fq:m

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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 ui3: ;pa53vtry6 (q3ck g2hk+cgefst( 6vdav, what is the minimum thickness of magnesium fluoride coatingcea (gq33hr+g6 t vu(iakf6 cs;:53tdk2v y pv 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 plate and illuminated fr7zcdg() dfig g:y5 j)vom above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. W)i7d :(f5yvd gg gc)zjhat 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 fa8ek)k etszvn8 .06wc mk wlf.(ct that certain sunglasses can reduce glare from8 n ).k.csmekf (t06lzk e8wwv 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 polarization is de dfqq 95rg/7ejfined 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 ma;q04krqqm yvryvb :wlq5huo5);/ 2 apterial like a Polaroid filmmlv:ba0prrq)hv k;qq 5 ;o/u245y w qy?

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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 Polaro bl,an/c3jgahtk0a2u4*gpr ( h78l mbid films are perpendicular to each other, what is the perc2,8l3(pu0 mnblc7h/kgah4tgj b ra*aentage 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 surface of a 55o i5xkpn8cl 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 gre3swhk i cp3(gsz+kh)(k1f0s u atest 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 diffra0m, w0usl+yypd5 w9x u,z5i,-ve ;we kfixa:lction 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 appeapb/.8x0sips zt q34 n9wf jyk;o0yat 1rs to be more blue toward the zenith (overhead) than it does toward the horizon. This oyta4ft ;0 yo1px sw08jipk nzsb/9q .3ccurs 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*g7zsnw-- .fx+ v6raxqk t/jn of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light int/ngfx-z.v j k+-n*qx r7w6 sa 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 h2gqs s0 ve,qw3as an index oeg0sw,vqq s3 2f refraction of 1.50. What 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 passes i-pi2pd zs+fujpit94uvf.7 o8nto glass, which has an index of refraction of 1.50. What is the speed of the light in the glapuu-sp874of zi fdi9.+pjt2vss?

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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 travel a8zi aoh a):vv8t $1.96 \times 10^8 \; m/s$ 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 5w*vc39 d1rrpapwx -w* :plidto 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 n1;br b 3tklthz1 eekpn4e:/h3m in air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.0puc7h ur3 ,zgr 4r2c)w0 mm apart. Monochromatic light falls on these slits, and ,3rru 7u h2)gc4czprwproduces a 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 falls on a double-slit and the third order 2v1a2 z:fbshvbright fringe is seen at an a z2 :h2vab1vfsngle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation betwe*;aza yj+c 4voen the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacinyzcaa4jv *+ o;g 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 72bgba0hdiirfa 1(b7separation 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 screbbhb0i712 a idfag(7ren 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.,5bp1 yrm7a zc050 mm apart. Monochromatic light of wavelength 634 nm falls on thr,pmz71 b5acy e 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 sl 7ew2:k/0m zk v/xi9lb xxkd2mit 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 between9 zm0le m:vd/k2 xib/kwk7 xx2 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 andx- kw4rgoa do9sh h:a. 3*6mid 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 dawik4: s6 xaog-r* 9hm3.dhothe 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 consistif 4:u8xbkxpk w)/)oemng of blue light (wavelength 480 nm) and red light (wavelength 670 nmkxu :8bwo xe)kp )/fm4) 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 single slit of width 0.20 mm. What iivbew -e( .z nrxb08t5s the angular width of the centralztwvix b5n(0r.eb-e8 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 illuminau1 gsx5jgkiq4thr 37 :ted by light of 550 nm wavelength. What is the angular sepiq 7: 5u4 jhtxr1g3gksaration 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 mm wide. At wsrc+z wnj*ex; +p ok5t;7;jcahat distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to j j; t;*c ;a+r5n +ekowpszcx7be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit vzg5d, sal;+lqsg9xsj0 a)r c*13olm0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width ofq lrlo1* lg5xj0as ssag c,zd;9+m)v 3 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 w uj:hg. z.fkrb2nuw- /idth 0.300 mm. An observing screen is placed 2zjg/fb h. k :u.nurw2-.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 hy2, 7*res ux9 me-0ygv3bvh 4e)yi jaincident on a slit of width 0.300 mm. An observing screen is placv2*7 i y3) e-0,esjbhvg 9xruam 4yyehed 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, itspbtuje) tv8 ,: second order maximum ievb,jt :u )8pts 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 perpg a7s33ww ;ik cm. The angle between the central maximum aksp;33g wai7w nd 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 oni ,ei6kg3ud(3 dx5yfz a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is s3izd53e6yg ud x(fik,een 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 exper(5o s3ilgx 3ymiment, 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 from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?5ig(xoy33 m sl

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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 (x 8bshreh -q3ea70hfxu-( zbthe angular separation between the secondhb7 -uz bh0h3qf(8r x-easxe( 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 huesi4zmp mxojas zl.w(8fi2 .70 x by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) app.l42ixfmp( z78jxa.w im0s o zear 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-oh2c(j; ee9kx) brg5h+3z ud kurder maximu3ebh)g 5kuxd2+ h9ce;(rz jukm 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 +gy/a ) hp4x+yp*pccxincident normally on a grating. If th4pp x)g p+/ahyy+ cxc*e third-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 norm,0bs7s a ke8yh+l2epmally on a grating. If the third-order maximum of the diffractiya blek 2m07,s+8 hpeson 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 8ngf w.ijpdx*i/ayfm -61l v 8separated 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 bands when viewed with light of x8ni dg m lv.iw*-fja8/1f6pywavelength 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 thicknexmldb, ;ukgp6 m 8d8l u7 5u+a+gqqe*ass of this bubble will ensure maxg,l; lu ddk+58 6 g8bm*7+qpxuumaae qimum 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 illuminatewlxh( *saoeri ))s :y0s a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incid(xo)erl:sw)h ysa*0 i ent 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 = 1.30ab-uriz v; o:5) on a glass lens (n = 1.50) aubr ;5-o vzi: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 in9w2u bfym.go/:.cuows k2:du a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the2 2oy cgw km.:fu9./uos:bwdu 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 preferrddx2k 2r7ww/zed 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)q8 *19 /maw *ncwqvu 1 oimxekcmqnge2-gx0 6 of glass at an angle of xn1qwq-muxcg ok8n vg2) cwaq6e09e*m/i1*m $57.3^{\circ}$. 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 passeyc ,dh3k4.u ztd through a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer are at y3k,.c tdu h4z$30.0^{\circ}$ 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 not.v8 6cc8xh vlg -+j,i0gcvis the Moon when its image reflected in calm water is comple vic, v j+6.-0xg8hc ln8gvtoctely 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 polarize2 )y/yrap+y ;vsoshs (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 the angasp o+hsys ;(2vyy/ r)le 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 fcdsc94h 7 mmv3or light traveling in vacuum and reflecting off a piece of glass ovdc 9sc 74hmm3f index of refraction 1.48?

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