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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 princiv1uc- jo0v2qd2 cu 3mgple.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followingh5x;b9s8 / 7wmx5dbrl b 8oxgk 7mzk7r is a false statement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of light ihzi ssa.ggd78 ni0(0b s attributed to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light ir( sj*7)j7 wvpetbf,gs 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 ente,gi+nx0 l,du mrs into a 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), originally traveling in air,;gz /5oswpzre l.so;+ enters a piece of glass (in l;sw5+ g/.osprozz ;edex 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 (wavelengthknrk:+a3q8d:n8- 8 wl9lbqq ms lc0z n = 590 nm), originally traveling in air, enters a piece of glass (index of ref 8cn08r-a:qlm9l:3nbsl ndkqz+8q wk raction 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 res5rxk y2d: v7-o,m,wwtkv 2qdlponsible for light spreading as it passes through a narrow sliq dkwx,v,-vt2: yromwk2d75 lt?

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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 larcv*(c:fz pjiu-d 3c4h ge objects such as buildings, whereas light is d-c(zf4cjih:*p3u vc not noticeably 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 f)t++dk;ugw1t3 z +hvx q.ldilight and dark bands when light passes through two or more narrow slitsk z ;itt3fg1x+ wv+h)+. uddql?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be coherent if 6hs6 x4kek;j dplo8n)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 62 -p+ynvq l)gsa c+/csgz d) t1+yowkthat two light rays striking a screen are in phase with dop2+gn6+)yc ysl)qcvstk -agz1/ +weach 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 l8h.j 7+ 76w* iefcnhi:fix zjfight travel different paths arriving at point P. If the maximum consii7f6h:if8j7 + zn x*fechw.jtructive interference 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 paznd /; e.f*qxqths arriving at point P. If the maximum destructive interference is to occur at point P, the*/ ;x.qfnq ezd two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spot in a double- z9m0cm;c -op gd,ndb.slit experiment, light from each opening ar09cd mpmbc ;,go nz-.drives

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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 centralh)taox++d:)hc7rpaqq m /3r l.n +znh bright spot in a double-slit experiment, qxaoa +pz/r.:)hhd+tl cr3q)n+hm n7light 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 central bright spot in a double-slithw (hq*;u)cac+r mt ( zbci43i experiment,3ri(c t*w)c4(bm;iz+hq huc a 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 slits decrev3gd ywvu)t :a6w17wz ases, what happens to the distance between the i1da7:6g)v3w wwy u ztvnterference 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 beez4dp2u ;5 wsr22 cwg4pqeke: tween adjacent maxima on a remote screen is 1.0 cm. What happens to 2wz2 c uespg42p ke:;we5q4rd 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 travelsjxiprzw :j 3m:r 5st b1.p8f(c 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 doub)s wvj-2ak k,vle slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slitk k,vj2sa) vw-, 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 fringes in a doun:.buurymj 3.ble-slit experiment if the separation of t: nuu 3ym..rjbhe 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-slit interference pattern usn vy vbws;a 27pa,p)t.ing monochromatic light aap;,)2t nbpsv7 .ywvis

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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 separa9dbu/i46z l ;wda dhm8tes white light into different cozad d98;l6/uh mi4wb dlors 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 t: rq+j nruu43ukzn5 z8o 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 wavelength slightedvwa7*r/ 3r tly 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 sdt7jsc6i- sn+ lightly longer than 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 refracj +t g:e*si/ haf - kap7y4t5jee*lf/dtion when passing from air to eg/e57t+k th*d*p el/yjif - :af4sja 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 refrachonab4-r(+asu8 btx 9 +yy/vruv 3(jn tion when passing from air to 8ar9( +aj- onhtubv3+s4/ vybx (rn uyglass?

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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 i.osdqrx m85)n a thick glass plate with parallel sides, at an oiqxr. 5smd 8)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 t+vjzzu8-j00vh(dqp source. If she now holds up two fingers, with( qdzz 008-tv pvjh+ju 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 diffraction experiment, if the width of the slit increases, wh0 sx g/x:.r0s ;jjeypxat happens to th :jg0;xj0ex./ prys sxe 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 gratings; one has 4000 lines per xi6vfw2 az;k) cm and the other one has 6000 lines per cm. Make a statement comparing the d; vak6i w)2zxfispersion 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 sepao n16og-w e1dmration, 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 monochromatic light, make a statement concerning the separation between -de61mn1woog the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by rey1/ k zz5cidb4flection 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 constrddg4a r1;m l,6rx 9wusuctively or destructively, depending odd9164um,rsrx awg l; n 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, strikes an ak c0ub.wc4/bpun :lk /ir boundary, therec.wpnk4 blu/cb0k: /u 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 sur + z+-l;mvcrk5zf ppq)face, plkr+zvqz5- cp + m);fthere 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 liib s,0l t.k8twght. As the film becomes very much thinner than the wavelength of i0bl. s w8tk,tblue 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 o 6w2bcd7 j+ wq tvti)8mnvnf93wlai),f light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavetat2i7mw6c vwildn+3fqnw)9,)v8j b length? (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 illumina54:wd4+com 9uspt * ena shi-fted from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one :efusa h+*-o45wm dp 4ctni9s 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 fact o b)exd 63s l*3.+c(n yejxfxlthat certain sunglasses can reduce glare fromb(ds elx) xj*yln .x3e63+cfo 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,9n:1sd8ns ssz the 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 oo t,h6i;st o12x-vor:c. yoiobtain polarized light in a dichroic material like a Polay i1-oox2so , ro.tt 6h;:civoroid 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 fil7 (l 6:bizkcpams are perpendicular to each other, what is the percentage of the incident lighpi7kb(6:a zc lt 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 su0cjaj9 1m1g 60uf ltforface 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 i zk+.wxuzy,,r. )tcwns 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 exhibite5t.:vj2* x qd95suzjh9s( ez hxc4dmcd?

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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 /z b e.fibxabyt)0qjz 4(+bc5(overhead) than it does toward the horizon. This occbza(t5b .qb0)be4fz+ / cjyxiurs 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 vacus60b wh4ucpf6um. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in thefsb60pcw h46u 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 a(/p dirhzk5:w l6d8lhas an index of refraction of 1.50. Wwa/r5k(i l:6d d8hp zlhat 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 fso3kg 6,o- us:wpl my-t;4en a vacuum. It passes into glass, which has an index of refraction of 1.50. Whato -- f;6ospw:nyt34l g,ek mus is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is r xcg65(qs 0 90/e f3nft wvd of(eff)nq*epw)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 55059 jx19jyay tf 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 in air id qx)lsmnvt+lzh(j/l4. p3583kt v jcs 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 these slits.dw2f t(irp t;vfl (5k, and produces a fifth order interferel;t5pr(t dwk f2fiv(. nce 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 bright ffeb6ajdh :urw: /*mc7 ringe is seen at an angle of: 6a7ed hb*j/ucmfrw : $6.5^{\circ}$. 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 between the two slit,-(ripyqo 4bww r ,uy6s is 0. roqpy ,w,w 6-(y4ibru050 mm and the distance 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 is 2.0 mm, and two wavelengtp uc5+w ea*2e0ngohy9hs, 750 nm and 900 nm, illumin2nc gea9u5we 0yh *op+ate 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?

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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 a1l.a ge x7zs;light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart alx sa7 ;a1ez.gre 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 i,gpklhy 6peu,xhyd6 c k19z g9e-*b7yncident 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 brightypg6xbcl e kyd*-hh u ,199p,gkez7y6 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, strikes- uf(xya lll/i,a y; 0 r,e,p)+rnpmzz a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.483+-zlr/p)e(rf a l;a lzu,,i,yy0nm xp0 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 nm) and red light (wavel gvns22* emxdqv 2n/a2a*3vdtength 670 nm) is incident2a/nxte g m2dav * 2s*2ndqvv3 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 z:0r+f6d g s *qv:uqeyis the angular widt+v:qy *qs6:d gu0rzfeh 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 iwft .*a .q td16kc7qcblluminated by light of 550 nm wavelength. What is the angular separa1d. w tccbt6a7k qqf*.tion 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 wi*5*k: zqlx kscde. At what distance from the slit should a screen be plaqxsz ck: l*k5*ced if the second dark fringe in the diffraction pattern is to be 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 61m *8ltr9) u4un;q m(bwqsr *fd0 nm is incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central maximumtqu*8mnrs ;lm4bf d) w(q9 *ur?

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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.k5gq v 7:r7 ;vg s4kyuqc8st)o An observing screen g547ovsy:v ck 8u qgtkr)7 qs;is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is ipg .- d f2y6shatu,9fzncident on a slit of width 0.300 mm. An observing screen is us.a -g692zf pfty dh,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 wi8h7j jroh3udq(t4j2f th 7000 lines per centimeter, its second order maximum t2f 7jhoj8 urh (4j3dqis 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 5fpfb5(q / edu:,5cebk000 lines per cm. The angle between the central maximum and tpdkc/ebq5,( e5bf f:uhe 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 75ixn41dsuhl5;g; s u,.2xn yp a mm wide and ruled with 50,000 lines. The 2,usu1nix;n.l;gp x s54a hdy 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 nm wavfs wvdci*p qq gbnv;.25w o:6*elength 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 centpnqv.wwcf:6 2 ;bd5 qgi**os vral 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 xr u 96k4ybw4h/ub7q6d d/g(cakw-d ehas 6000 lines per centimeter ruled on it. What is the angular separation 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 ofb-4cuad4egk k9qx/(7r h6bw6d/ uwy d 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 spectralso +5j se4r2ov hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640r s +o45vosje2 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 cag13uzxauj2bxs 3(t c, librate a grating. If the first-order maximum occurs a1xuuj 3z(3btsgcx2a,t $20.5^{\circ}$, 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 gg8v( 6zj9h*(s1oxvo x4d ioworating. If the third-order maximum of the diffraction patt(how46 o8doo9i*zx xv(1j sgvern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating.j92jl1vmc 3qc If the third-ordem 9cj3v jc1ql2r 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 glass plate at one eyrf+(2t 8jwsund by a strand of someone's hair (dis (ft82 ujyr+wameter 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 refrac, o p anjbmjwh23)4-p8-*+ocxpbyvpfb4og9 wtion of 1.33. What minimum thickness of this bubble wio+2p*xb fb-vwmypc8,np4) 4 pho oj-j3 9g wball ensure maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). What i: ltvrp//i dj2r)wqd7 he .ij+s the minimum thickness of film that will give an interference when the liiwd:jpdjr /q+v t2.l /hi7)er ght 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 thic -im vn(i/t:ockness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) foo/vn mi:it (-cr wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolafow 4k9dbc :v5rized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beamvfo5k 9 c4w:bd 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 ra/n (,jxpt 5-/yiasau otated $30^{\circ}$ 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 lqac2 7i*c 4x5j;qmb25esxu)/oaimw e ight in air strikes a flat piece of glass at an angle of 7aemc) q xasi /ej2;c2x*om wiu554qb $57.3^{\circ}$. 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-acr-z)q4o,xi.y xg t6mnalyzer combination. The transmission axes of the polarizer and the .t)yrxoci-x,g zq 46m 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 reflexc2x/5m oj4 cected in calm water is compl5/4o 2jcecx mxetely 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 th6lgu+da6jw6y p.tu x7lbz e.+7n t kv(rough a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% ouzjt ex nlwa6t7v.7(dub k g+.6 ypl6+f 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 zou jlpt.0 u)*rr0ug) in vacuum and reflecting off a piece of glass oftzgru*u0r. )up0j )ol index of refraction 1.48?

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