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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 princ0/ykw,u9ikytpj3ck :iple.
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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 fak9f2-pojx n7 xlse 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 attributv i-2/a4qkzn qed 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 attributed to y 72nvekvc3.hms dfny)-9e o(

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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 opticalps wg5 vbo/me(cz531 w 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 inkr vhp8h vt9sf0o2* 1f air, enters ahvr2hp *f9tk0 s18vof piece 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), originally0at u qo6bpk mf , 5gr2sssj0d.q5k(m, traveling in air, enters a piece of glass (index of refraction 1.50)skpgmr (m 5,2 ku t6d05a.jqoq0s ,fsb, 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 passes throug4ji,+8a4tk ggh,pq hlh a narrow 4,il 4 8pjhq+a tggkh,slit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted by large objects such as buildings, wheqjf1bt( 1t6rm reas light is not noticeably diffract6(tr q1mjfb1t ed. 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 li)nyhl l 7l: dr9lhp9ojapb ov*:q2 2b0ght passes through tw29lj rq: po2ylanbllb ):9*oh7hp0v do 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 said to be cq:vb7,-u3ugfu z .. qughk6 l-l9dqdloherent 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)jvf39 b+tezz kdm :f( striking a screen are in phase wifve+ tdz9)jk mbf3z (:th 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 arriving at point6+,i vl7s:6p bjc paxr P. If the maximum constructive interference is :vxc,j6ribpa +7ps6 l 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 t+r (0uhfa rk3bravel different paths arriving at point P. If the maximu+3rb khrf0 (aum destructive 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 )+ ml/ q+dawwm0n x/gson either side of the central bright spot in a double-slit experiment,0/ladn+g+/ )mmws q wx light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central brhfzgf.9 c*)g tx; 8vkf6fatf +q*1m hoiw6gr;ight spot in a double-slit experiment, light from eazgq)g*i 9fctf;xkvo1t;8* mfg6 w6f+rhfa . hch 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 k-gl))/euwl8 6kgt gqthe central bright spot in a double-slit experiment, li6lgweu /kg8k tgl-)q) ght 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, 3u.4 j1kxg wc9x)nvp mif the separation between the slits decreases, what happens to the distance between the interfere g)1jvuxcn.k39mwp 4x nce fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distance between a4;hs pw),n ssfdx0a9v djacent maxima on a remote screen is 1.0 cm. What happens to the distance bepsd4s0a9nwsh;fv )x, tween 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 lig83rwe6 pz8 qtsht travels 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'r2 qfrs.3dw9 (oj5nmss double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at th(2rm. s3sqr f59d onwjat 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 g+i k*v7vl /qr;qqvnc*;i,pvinterference fringes in a double-slit experimen/q,+ kplni*7 v c;r*qvivvq;gt if the separation 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-slit e/g.k a5fvb.g interference pattern using monochromatic light av5.fgb./ ekgis

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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 differettla s )frdxr 05ppvo:-mz)*1 nt co:*t)fppdvt 01mz5osr-x) la rlors 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 rainbown*y2/78d gdrepj s p3q;ax/pk to form is

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

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than y,wv, wj*fokk-eva 0u-6 ok ,y400 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 slighgl3.ka4i co-amj )- a 3lhmg;htly 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 refraction wvbw k b1;q( 9m*oyxq0 (xlcvf5hen passing from air to glas b0lk (*c(m;y1x 95o wbvfqqxvs?

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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 refr 4m7.hm,mop)ek ieae.action when passing from air to e k 7ei.m moa4)p,.mehglass?

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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 glass plate with parallel sid20v u9gh9fotur+6 ) j bo*qkqs5 a:lnres, at an angle be+u 0*oo nbkj269fru9h q:5grql stva )tween $0^{\circ}$ 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 lintrjeh7bs08x+ j +q7ught source. If she now holds up two fingers, with a very small gap between them, and loo 80jh7 q+xbrtnuje7 s+ks 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 incrd00 j,9;.f fi,o4qh avtsjqfu86v nmxeases, what happens to the width of the central maximu0ho fjfqsua 6.m n4,,iqv 0tj9x8 ;fdvm 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 diffractio)bjk zos mnve2--j m./n gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. kv)mjsb/mz-o-j2 . en 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 separatixkxy mi:9,:o.r4n6 tp7yt zgm on, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a:op 6 4,gn.xtkxmtyryi m:7z9 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 are caused by reflection anhs s)t4b4xzobll 7qx86 xwpw33qq8*ud

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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 i c33e83qko fshnterfere constructively or destqho3e8cs3 k3fructively, depending on 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 g8;ch25gcz r 9iu xoo; p+yj2tair boundary, ther o 25upg+jc;grciyz2x89 t;ohe 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 travelingi9hvhu )1h,. s( yw lq, mkyarw7qv,3p in air, is reflected by a glass surface, there i,vhap(y,u rws) y1qv w9hkm7 i,hl3.qs

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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 film becomes very mucln0 l:- zmlc6gh thinner than the wavllm0 :n- lg6zcelength 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 magnesium fluz6 l*f* +lw o/3*navvhcbk lt,+x aq;boride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refrl,+ *lhnkbb*6af;/3wa+ *x qlc ztvovaction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and illuminated from abk*r,bk(sj aq)l 4)dmw ove with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the len )( )j4bkqsrm klawd*,s 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 th;ub 3zd l(ytno01bb2 hat certain sunglasses can reduce glub3bdhb 2; ztnyo10 l(are from 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 ote +/ficjm 5l;/wtw dn:q7 po9f 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 light in bz-scm04)j8h q;jz,t9qwim s a dichroic material like a Polaroid ,) ;qq9j -bctm40misz hjwz8sfilm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axe2 ncm ,o*t(g.v/ +nsyj5.r1vyhzvv kps of two Polaroid films are perpendicular to each other, what is the pev j.t5p. +(k*n ng,1y srv /vmcvhoy2zrcentage 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 oftw scd 7/eho7g e8jg46 a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is greatest at1 wif+bwvj1-m

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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 dil w yu(:i4uj;iu079n rci9biv ffraction 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 appears to be more blue toward the zup,p h9i:: xxqenith (overhead) than phi9: :uxx,qpit does toward 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/bt+z r6abqt:m d4oz il)i/5 i a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wai:rt ma)bb/o+tq5 4i zz/ l6divelength 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 intm/f n lm-uo4(ro glass, which has an index of refraction of 1.5 um lnf-4r(/mo0. 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 vabw z )69uc jlh)*vd8rlcuum. It passes into glass, which has an index of refrlz9jbd) *l )6u wvhr8caction of 1.50. What is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is found qooltd-fg .7*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 fo.4c7oq8jvkq xund 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 rd:h*rlf d;pc2gkgrp9 r)l 1q2+s8e bnm 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 6.00 mm apart. Monochromaticcsft40(z/e :st6y jgq light falls on these slits, and produces sz /stt(fceyg :60qj4a 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 oh h z poenrpgu, :g;3mx089hy0rder bright fringe is seen at an ap3g z er;p g 0hxuhmy9o80,hn:ngle 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 experibmz2mxq,go+w9 )z ;foment, if the separation between the two slits is 0.050 mm and the distance from the slits to aq ,g)9mzf wx;z+o2m ob 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 omjbc66cl0i(g:ojc -40 bb oc- y,zoxwavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maz6c4,xl- 0o bb0 cc g:ycm(joi-obo6j ximum 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 light of wavelen+po 9/)rju k(luoa cjxk45.g hgth 634 nm falls j+ 4lk9/( kuou)5jrghocx .ap on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's doublexv9d;zl7 we i3 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 tvzx 3 wldi7e9;hird-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 hj0odt,wrusiy0/ e1 mybqe. c36 m6h4wavelengths, 480 nm and 700 nm, strikes a plain piece6h /h0ucir e,m1myseby0 dj.6 4tow3q of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue li 2bh03qm jpi;s:jhc. tght (wavelength 480 nm) and red light (wavelength 670 nm) is c.q2tb;0ji mhh ps 3j: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 ofe x393 wtjsc3k width 0.20 mm. What is the angular width of the central diffractioncstw33 xk3 e9j 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 light of 550 nj.5k7.(8nxavcn vp robrf8r3n r)e o. m wavelength. What is the angular separatiofr (ov7b nx3pn8 nr)a o..5r8.je rckvn 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 sl ey2z 9- qqnt;dtlu4stw2t 28zit 0.75 mm wide. At what distance from the slit should a screen be place49wttu2q; t8qz2 zd2nl- sy ted 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 610 nm is incident on a slit 0.20 mm wide and the di;dkyh; itq *.,ucewx/ ffraction pattern is produced on a sx,c* twh /.iy;u qk;decreen 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 nmqdad.3:9 13eda u)ynsnig,i j is incident on a slit of width 0.300 mm. An observing screen i a3iednsqn :di,ud1 93gjay.) s 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 n7kp. w -zy,bfpm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 z7 pkpw.y, bf-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 gratit aw39ii-q u.nb/; wlrng with 7000 lines per centimeter, its second order maximu ;.n9 /tiql ibrw-wa3um 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 pe/ mr; m;uxa/nrdq((nor cm. The angle between the central maximum and the fourthm/(x/d nrrnu;omq ;a( 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 7j.+a g ; d,tqd .k urwqu:wvx:-,fysd85 mm wide and ruled with 50,000 lines. The second-order maximum is seeyfdga.t:+uww ,d;s8xv,qk -.druq j :n 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 wavelength produces a first-orde i2(lx)ko j;our 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 2;k) ou(xljoi 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 ixq+ir uwvh 9(v4n;c :js 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 l:ruj9 4vvhcqw(n+xi ;ight 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. cw,b 32 bb7sxg If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the cbbsw7g23b, x 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 fir6a)znd)rkxeyjo+ 4 bu /8 a9mdst-order maxim+xjedayd zkoan )m46u r )/9b8um 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 wwqh 4z 3 or,sjkp5il.8avelength 500 nm is incident normally on a grating. If the o pk jis5h.w43lz,q r8third-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 oltulx(1tf8/ wcv2i; de4ck ,normally on a grating. If the third-order maximum of the diffraction pattern is observecw t,8/tv4kl1i(eclxdf; 2o ud 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 ob s3nmr60klrq5 6b jen:0n 1xune end by a strand of someone's hair (diameter 0.010 mm). How fkjnb10x 5q60l n3rusb 6 :nermar 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 o)mkj+, , ro wf. mn7 -kobry,3glm2mvkf refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incij 7,w)v 2.ny mgmlm,o+fr k-3,komk brdent 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). fa-o6;b ff+t7 bdhpa8 What is the minimum thickness of film that will give an interference when the light is incid 6b batafop -dfhf7;8+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 a0+o qx0vax :5b o5lthb nonreflecting film coating (n = 1.30) on a glas005abo xt5hq+ xl ov:bs lens (n = 1.50) 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 in a beam of unpolarized light and 2 tze, xs,p/rkh )hzi0the intensity of th rke)02,xih zzs,pt/he transmitted light is 1. A second ideal polarizer 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 preferred directionhzsw4 2 b jnl7pkwo ;the;m 06opb;e dcf.9.z1 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 ag/e 2*:kn yvuczr,s kb* yy*)k flat piece of glass at an angle of *scyk2kn : zeuy * g),v/rbk*y$57.3^{\circ}$. 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 passeb j .4bti*g.ryd through a polarizer-analyzer combination. The transmission axes of the po*bbr . j.ityg4larizer 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 imageruwiu74 1b1a w reflected in calm water is completely polar1wbwr au4i1 u7ized?

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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 pro m4g6j p62p 9znhlu.(o rknlt,cess, the i4(rpnlu. jtom,g9l2 n6p6hk z ntensity of the light transmitted is reduced to 10% 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 reflecting o fq2*kvq u0r6lwva0p 2ff a piece of g02p v 0aq6qu*flwrkv 2lass of index of refraction 1.48?

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