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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: 游客未登录  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 princip(zua6egw7 00ytz-v atot n1 0wle.
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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 statemen+d*:fj 9sffkqu ou8:m0z4.wc wug4 q wt?

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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 /eodk es094.4ax bvj battributed 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 xpb2 l 0o70a*njzt1qilight 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 differee;339d3 ho n * iwo3 n,xrkdn2jgcoja5nt 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)(ievu g:k-9b zn5azg5 , originally traveling in air, enters a piece of glass (indeb zk5g evz9g(:au-i n5x 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), originally travel2zx 3 .cp/aisuing in air, enters a piecepci za /2.sux3 of glass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as iu.f xzp-(8e*hl :wobft passes through a narrow slitox-hb *8 ufzflep.(w:?

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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 smc6 za;x6;an tuch as buildings, whereas light is not notic66x c a;;nzmateably 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 fo kvo:-dwr .-sor alternating light and dark bands when light passes through ts:k -o.rvodw- wo 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 coherent if,-ri jcpl:s-d 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 y7cr3fyfrxuh(, 9 z3cphase with eachz37 3 fyrcuhxcf,y 9r( 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 u o g bc-tljvn3a5g-:.travel different paths arriving at point P. If the maximum constructive interfeutbl3j- vnc-.g a5:gorence 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 Pf k dys :rhr edua)b7oqpwws.k2 u, (j97*o1)v. If the maximum destructive interference is to occur at 1 s:hdo (. ww ys*d9 kpkr uvejqf7au7)r,)b2opoint 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 sid(ki fls.)lcqptp1agk 3u9 p2 7e of the central bright spot in a double-slit expe(p k3pc.2 flpas)1 gkuq9t7li riment, 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 th3insh7z0 rx+ bq)fdo 6e central bright spot in a double-slit experime0nd hz6b+xq7 s3irf)o nt, light from each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spot oo.g6ef3d tmk ) 0q no-o,ax7iin a double-slit experiment, o0otok,ge i xf- naod7.q3m)6 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 thed)d )a+zh: e9sq:cdnn separation between the slits decreases, what happens t)eddn :dqsz h)9nc+:a o the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the d )ykm q7b(/sqnistance between adjacent maxima on a remote screen is 1.0 cm. nqbk(7ymq) s/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 .s8e hi53xsnftravels 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 zwocr i- 37ks2double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, whic23rsc7k -ziow h 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 fringes7 +zqzh;.5tqqcbq fj: in a double-slit experiment if the separation of tfb qqh q:. ;7q+5jztzche 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 pattexiw z2mod+;1 irn using monochromao2i+ wmdxz;1itic 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 li59i p hiqvfw),-q+g peght into different col),i pp9h+q i-wefvqg5 ors 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 form is4)sgthdt x95l s0fj.owe .yi8

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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 shortk m3;4lq zgp:ner 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 nm is0gpvc 40 rxtkj; i(-hp 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 from3m x*k ;t- cohq8shqg3+b ve*z air to glasssx;8e+*km z*qtv3 3cgo -qhh b?

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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 sdc8d hy-3j9 zc:ujs -undergoes the smallest refraction when passing from air to glascus3zy s -h:j djd-c89s?

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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 c)q hc u0ibw9i*7u8n uglass plate with parallel sides, at cuw70bcuhin) 9qi 8u* an 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. h+y bd7qs2zu m ml8j47qy 5+swsb-cs5 If she now holds up two fingers, with a very small gap between them, and looks at the light source, s s5- lqc s4 5+usbwmy8zh7sj2+7m byqdhe 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 a0 nb*l-pv qc12qjib:increases, what happens to the width of the central maximum bn1p*ivq:02l bc q -ajon 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 cm and the other j-zsj w*ib: qva350;2qegt q kone has 6000 line;0 atji* e qj gb2qqvwz5k:-s3s 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 separationiqud yex 6i;9:, 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 statemeyxi6idq9 ; u:ent 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 b-yl0: .c yfl8m6ui6 ynckpx.y y 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 constrc, iez ,y5/q2up jv.zks3z)or uctively or destructively, depending on their phase difference. Onik, 3 2 z)cy/rpuozs.,jeq5vze 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 airnttt ;bop*t ;r8zj1l:ax ;i 5a boundary, there i:xai r8ln a 15toz;*tj; ;tpbts

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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 sunai4xv1+8b 6i /c2 a blc,orwlrface, ti v,c+6io84/xb allrn12w cb ahere 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 whpi3q8pqf5o bxa8*ni/ite light. As the film becomes very much thinner than the wavel8*8 iop 5aq3fpqbxi/n ength 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 fluoride, what is the/ ytewwag(,0g* .txkh minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting fo(t, 0/yxt wek w.hag*gr 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 place aow/hsmro:yt :k7/8 ld on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of :koslwra8yht /o m:/7red 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 resp/+ gj.(zu5u zsh +l x(jwo:zebonsible for the fact that certain sunglasses can reduce glare from reflected surfaj/+ouw(z sbu hl.zez+(:5xgj ces?

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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 polarrh.uql3*j2 la)*qfj dization 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 a dichroiczc.c0ms ,3sa o.alr 5*du;v bs material like a Polaroid fi,v0ucd ; a 3r5cazssbos.l.m* lm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are perpendicular to each ot71hol kve4dvhqm(+6uher, what is the percentage of the incidhkqv47 lv1me+ uo(d6hent 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 oz 3q7gqe8waw5 f 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 (, ;a dg08vro6rvlkq84s3/ttkrqzvyxm km0 7s 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 diffractio57be( x ci2da2;xiid vn 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 se8zetdr kmw3 c5rok)4:c.b2toward the zenith (overhead) than it does toward the horizon. This occurs bek5)k.e2 3rc e8w:oz smbdct4rcause

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

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, wh 64u ib9mwmk-d w6ge;ec0f*e tich has an index of refraction of 1.50. What is the waveleng;6c w id mwe*k-bu4t9m0e6f egth 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. guf 4+*w;e9zdsj d ad5)z9dst It passes into glass, which has an index of refraction of 1.50. What is)u z4 djft9dsa5d;9+s zgw*de 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 wavelengtoao 4+9z0l bszh of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light il+z9 4za osbo0n 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 vabn)y)8ym9(l.y5 pg8mcslmcgcuum 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 kw.qdg +k7y)on4i4q9lk ll x6to 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 is found to travel 9uj l +*j nujl9sdjj+1at $1.96 \times 10^8 \; m/s$ 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. Monochrovd+ n8g2o(brc,*z- , duwqhqg br jg98matic light falls on these slits, and produces a fifth order inter r9bc u-g( ,82 qo* d8wvn+gq,zbrjhdgference 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 falu*9iskte6mm 3 r) )jxe1: ktvbls on a double-slit and the third order bright fringe is seen at an angle of r 6kvm i*sk ut)j:mxt31e9)eb $6.5^{\circ}$. 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 theqlk2usnh yoqnp8sk); s8h,3 9 separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing ks9lqosq238n)n;hh, sk p 8uybetween 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, andblbs 8n*(* ekr8c.dtf two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what disfsl nbek*r8* (db 8t.ctance 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 sqz0i)/ x kb+fmm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far ap/i)k+ qf xbz0sart 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/5e 6s4zbacko a slit separation of 30.0 mm. The resultseak4 5o/6cbz ant 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, strow6 *,ypv2k7y ;o9suhg bjf0nikes a plain piece of glass at an angle of0 fg 6ohk,y;vju*p7ws2nb9oy 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 light (wavelength 480 nm) and red light *ayl, d8rv+l o(wavelength 670 nm) is incident on a *,a 8v+y odllrthick 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 i0jai r /( zw 30aqxy y ui.mp882bbjpv0(*fsvps the angular width (y vi b/23asvm00p.(a uwz8p0jx rypj8qf b*iof 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, isdm*5k ekokn( ane m0mj3m-cnt+7)cn ) illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of th)*o)3n kn( k7 njk0nec+mmmme5- tadce 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 slib wcytv2 -0t/btg-9llt 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 screen? ty9t/-b2lt vlb wg0-c

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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 a4ws +) k,bfwx*l8q b76 alrkxgnd the diffraction pattern is produced on a screen that is 1.5 m from the s 678kb rlf)awbq*gxk4,ls+w x lit. 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 incidem**wojs+b w heki 2q53nt on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first hwkw*q* +2bo3sej 5im 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 3l )pfvzfhwfp,kxu gib;97 )k2 f:u(wincident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the centraflvz 2wp :ui9px3)7b ffk)kwu, (;ghf l 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 gnen y39c;ktjjfv*1w ,4 mtig4 rating with 7000 lines per centimeter, its second order maximum is;fwv t j19nkyj3,mne4 4 ig*ct at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The angle betwzvy,unwos o6xtw w0y35ky97 -,s/c uleen the central maximum and the fourth order maximu 0os6wu 3,wyscyztvu w5y -o,k/7nl9xm 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 75 mm wide and ruled witt ;n,yxy(o mll5ejl 96h 50,000 lines. The second-order maxie y(m6l9xj5, ;tyl nlomum 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 wavelength produces a fic7// b )rj4 (ryxgx0pjfftf,urst-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic so/4tb(xfp rxjfr7fy ,/gu jc)0urce produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled on it. Wn9acs w4-q)bg,u,p j)hhcc*shat is the angular separation between the second and the third orders on the same side of the central order when 9ncbs -4 qcuw)js,),hp*gca hthe 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 spey;ou ,l o6kkrrkvh8s j,( gl9i* /d(jfctral hues by a grating. If the grating has 2000 lines per cent*rld,;k/os9 jfui8 6yvkh((lkgr, o jimeter, at what angle will red light (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 c *r4fahl0n6ye alibrate a grating. If the first-order maximum occurs a06nf* 4rely hat $20.5^{\circ}$, 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 l6*+ic63yic.fyqx ql on a grating. If the third-order mci+fcll6xyy i6*qq.3aximum 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 nertq3 6-wuy 5kyil -;oormally on a grating. If the third-order ie k w3- -5ty;ryo6uqlmaximum 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 ancwbou yely* c23 60*v:bt) zil p9ne:oother glass plate at one end by a strand of someone's hair (diameter 0.010 lucozi2p ty0ne)vy: :9b cw*be l*6o3 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 ofhsee w;s/,nyj,i+ (dm refraction of 1.33. What minimum thickness of this bubble will ensure maximum hs (ij e/nwd; e,+sm,yreflectance 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 503j k)8of zx8zv0 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the 3xf)k8 8jzo vzlight is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness /pk,uhep zg6. of a nonreflecting film coating (n = 1.30) on a glass lens gehup. 6kp,z/ (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 unddwh/9hu:b) sz2 dlt*polarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotst bhdz:wd)dl/9hu*2 ated $40^{\circ}$ 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 ro b;hjjfj l5-3ukfg h49tated $30^{\circ}$ 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 ftbjkty w6h.780 zlc;mlat piece of glass at an angle of 0ty.;8ltmjch67k wbz$57.3^{\circ}$. 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-analyzer combination. c 1gz*; niozokj1 knfz rfz .t28a(0+aThe transmission axes of the polarizer andtz1rk81.ca0n +j( 2izf;ngo*fkazz o 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 Mooxte 2o6ha-x2ww wja2 udq8 04tn when its image reflected in calm water is compadtw-je6h q 24u 2w8xo2xatw0letely 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 throuo1cgep r-ck;vuv n3le kt(; 22gh a polarizer 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 angle between the axes of the polariz (ok 3c2k-1u;nvlpre t2 cg;veer 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 gc0,s1:fp55fm1t skb * eg tkyangle for light traveling in vacuum and reflecting off a piece of glas 1f:p5fs tb,gyc sm1k5tg* 0eks of index of refraction 1.48?

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