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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 principle0 phk uc.i-lz9hk 2:lm :ftv9k.
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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 st.h-nz/ x.:wygj h d :gwlhw7li5c6 8uaatement?

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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 lij 9y3ntuo gn*j dq58i9ght is 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 is attribulx ev6l:e3xl2tspf3;ted 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 entlms h)0 m7jb9j,y 6yj*,zmwwsers 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 (wavelengt8f f nqbw4;dn*zbhfj;i(gml v2 r 2,m.h = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its freque.mfg2d h8q;2mz lvnb;wb*(r jfin,f4ncy

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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 iya g) -dd-7x2 d i*q.3rozria(wavelength = 590 nm), originally traveling in air, enters dxi7a2*io.rdqg--zirda)3 ya piece 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 spreadin x:vi r0i62t6 n1fgqa )zx4ivmg as it passes through a narrow slit?z vi6):v412qrxngtafx 0m6ii

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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 pa/ tk5p 4ittil9j j/z)4rci(large objects such as buildings, whereas light is not nj/ti9 iacip r5j)(4zlt kp/t 4oticeably diffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and dark bands wh bxnxp m -9b7q3xbj/.;3oejxuen light passes through two or more narrow s ./3bo9xnbuqjpxxj ;m 7bex3 -lits?

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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 s3w( ztgslr 2jl0-66 .dyic qcraid 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 arekta1rt kb2gcl9w7n- 1 in phase withw7n2 k-1g9tcaktrl b 1 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 diffe kpi2mc2vx4w-rent paths arriving at point P. If the maximum constructive interfere2v2wcmk x 4-ipnce 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 differo , o,lkdqae0q6sb:(p, rav( oqy n9(ient paths arriving at point P. If the maximum destructive interference is to occur at point P, the two beams mustpovdnq9(ikqa oos,e,ql,y:(6b ra0(

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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 eitheota 7dh/ n:co)a)fv2n tw9aq(r side of the central bright spot in a double-slit experiment, light from each opening arriva9a:nvna t w/oc)f)qtoh(7 2d es

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in a7l-b8eax)(o an, iiyr double-slit experiment, light from each opening arrivb( ra8xoyal), i7in e-es

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spot in a double-slit l,*.ix rnqng7 experq.xn in,rgl 7*iment, 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 experim++p aisht ;yf+ent, if the separation between the slits decreases, what happens to the distance betw i;+saf++ypt heen 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 yphr8g54mbb +is observed that the distance between adjacent maxima on a reb h584+b rpmgymote screen 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 travelsg brx 00iu7o6-yb ab*m 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 double slit experiment arria*xa g :w01dr0i7dw.z.tky pives at a point on the screen one-half wavelength behind the wave from the other slit, which is*iaykgdt0p1r z:.0 ad.i ww 7x 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 o;7 v0 omyxh9rfehc2+gaq0l0)(c6x8 chtr ajh btain interference fringes in a double-slit experiment if the separation of the slits is less e;grho(m+cav6f)rc c80 lyq 0jx 02t7hh xa9h 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 inwh ab(t4 my8-j*bg*mmd00 xwm6ft *cfterference pattern using monochromatic light j 4mhfb(* g0cw m8*mbdyt*-0waxmtf 6 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 into differ(ats8v +q:j 9lhqwv o)ent covlatqw8+:hv9oj )s( q lors 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 ally.r2hgk*gb */ahl v9je m572 2 uubbdjows a rainbow 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 tl:*tgu /wdy +mhan 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)7+r +vyvltw i 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 refo/i7;rd3i axsraction when passing from air to gl73dox;iir /asass?

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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 smalle(*m;uquju 7m y+ gtuz5d2d-,vjvm kz) st refraction when passing from air to glaszgdz+ ykm;m,)7vuq-d5 *2(juuvtu mjs?

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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 sid3d o,av ;w+hb nqt(8kg /r)hubes, at an ang,() agu83 o/dhvbb;q+hnw t krle 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.d y viu;kbhi -kh2dqg;:d9 6q6 If she now holds up two fingers, with a very small gap bet6 qd:q6u;khddi 2kygb- 9vih;ween 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 experim2npn v2kb b6xp/zn-dtg 2 /a9-7i9ypd r-cbxment, if the width of the slit increases, what happens to the width of the cen b2znba y7pvcnxtr9 -bxikp- n-2d9 p/ gd/m26tral 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 diffractionrot s i-7qtc3xm +d:n* gratings; one has 4000 lines per cm and the other one has n i :-7rq+sxct do*mt36000 lines 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 my) w.r+w*2t nvqy z,0t9w sdggratings with the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings 0.r2v*w,tqdm nww )s9t+ygyz 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 4v (omtw2f/ub z5v. xaare 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 constructiv 9jpok(htk ym9u+. l5h;-xqbwely or destructively, depending on their phase difference. One consequence of this phenomenon i(99utmj hyo.q x k +bl5-kw;hps

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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, whi vns0o:eimd9 +ch is traveling in glass, strikes an air boundary, there in e0: svmod9+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 reflesj.jloy- iw(3 zl5v6mcted by a glass surface, there j.li -(65 vmzosw j3ylis

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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. A./vb s:. gvy/stoyn k(s the film becomes very much thinner than the wavty: /vgvy .sbk(ns.o /elength 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 magnes wphacd 0oy:7q3i1z/g ium 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 wavelength? (The index of refy:a7 qcd w3z1ig0p /ohraction 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 e 6 ieaubk*/c7:5tuzb above with monochribk/ut5b* zac eu6:7eomatic 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 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 :7 fbbyazb8/dlfm.ozf. 6 8cmfact that certain sunglasses can reduce glarcbbz6 .7l8/oafzm:. byf8 dmfe 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 of polarization n.2* yde4 r4 wtxxu2y)jvj ,vkis 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 dichroic material like a Pnrekim k(;8(o olaroid fonei r km;((k8ilm?

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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 filmkp t 0 6)ogyo7jo;u3bus are perpendicular to each other, what is the percentage of the iju) byku;go3t70op6 o ncident 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 surf wws,zpwgs/ 6,ace of a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is greatest atv:c jdab l:aj3zu 55-h

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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 NO/ 4nae51bo wp2ne)dpj vc**cuT 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 zenith (overhemk 986qhc2gi rad) than it does toward the horizon. This 6 qrh2k98gcmioccurs because

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

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, whxk/.3ev.ao,t/v qr 8x.ymy w5ozr b3oich has an index of refraction of 1.50. What is the wavelength of the ligqxy o a.v8yt3wm b/vor/x.3r, okze5.ht in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass, whwivv0p j sbb7n(rx* 2;ich has an index of refracnip *xb;r2 wb j0v7(vstion 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 into glass, which 2hbi 4gu6t ((k.zrcqyhas an index of refraction of 1.50. What is the speed of the light in the glassgbik( 26c. zr(uq4yth?

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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,x y3/e md3qcb 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 n:.1y djof,9ihbm ar,ym 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 is found to tvtay)u u7;0pz d27bjr ravel 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;*resz.5bx:a:e;ps;u e*ex7j ncco y, and produces a fifth order interference fringe at an angle ofeec;oaxx5b7 s * y . :*ecsp;nzu:ej;r $32.3^{\circ}$. 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 s, z3-5: as avd4zg08 intetgvnm falls on a double-slit and the third order bright fringe is sesd vt83, zi tva0asz5-4g:gneen at an angle 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 experimentja fclaj+4/ i7mco-(c, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find thecj oac4 a-7lj/mic+f ( 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 wavelen;rf6+1gpykwbm- c6ra;5jl j zgths, 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 screen will a bright fringe from one pattern first coincide wit6 k-1my+jr;pcr 5f;azbwgj l6h 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 6r+g6c9- crtp tb6cu8 xo;hnomm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, hoo6gop+nrub x;-t9c cc tr866hw 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 doubp6w9f hbij85yle 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 thhf89iwpy j 65be 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 waz )bjdn7vflrfm+b/9 ; velengths, 480 nm and 700 nm, strikes a plain r blzd9 ) v/f+;jfmn7bpiece 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 light 8w sj6ye)a:dtk6 4 qhl(wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glassk)dy :6sjahq6 4w8e lt 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 wlrf0q f:yv5 ,a3wf h0didth 0.20 mm. What is the angular width of the cenvwf 0fa3qd0rhlf 5, :ytral diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by light of kmxf5unb6kwle y.5k,eq 8t c2w2 -c*y piy- m.550 nm wavelength. What is tx -ny ykyue p8lcbwi, -2*mtk eq6k5f2m5c.w.he angular separation 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 687i ckz ;q.o7ikq7 qo1x4 nm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1i7;qkc zqoo 4xiq7k1..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:euq8i/- 4n sppmv +scgjj2c ju-l06f 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 c pe i 08ugccjp:qn/s-2-j6ujf4 mvl s+entral 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 width 0.300 mm. eki7a db4a /ycu +h8pl6ugxs(v*6 m :e An observing screen is placed 2.00 m from the slit. Find thig6u8( 6e*hp+slu/y7km 4v:ad ec xbae 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 nm2yw+gg:iq v b,oh u.7m is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central maximgg7y.uim+ow bq2:, h vum.

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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 70a l.rcp/ t;f 7u04ocdf00 lines per centimeter, its second order ;tu rlccofdpf04/.a 7maximum 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 per rb ;aahyra ;gx963a96gp h8klcm. The angle between the central maximum and the fourth orde;h a6a 8g;6rlaby pag9krhx39 r 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 i 1(q 3nwmpfy:ts incident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is s (mf:31yt qnwpeen 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 wy0le/h.trg51i / vfzurmu +m-avelength 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 sev-0e m.gyrm/r/il+ u tzhu15fcond 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 centimeqzw;ttim3 0 vpl+it e63gmz11ter 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 of wavelength 550 ivq0;lw3et zti+ 1z36p1mt mg 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. If the 1mdzr4fd4 m k)xu;2xk *xvmq -::sssfgrating has 2000 lines per censk v:u)zskdfm *mx xmds4r-f 142 q;x:timeter, 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 calibrate a grating. If tho+u 9k+cedi)3sq vcq -e first-order maximum e) cq uokvs93c +d-i+qoccurs 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 wavele+nrzdj3t+f s:y*uv4i ngth 500 nm is incident normally on a grating. If the third-order maximum of the diffractrzv* + +si4fnjy: 3tudion 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 normallyd)o ;:qzsr++ fhc+qot on a grating. If the third-order maximum of the diffraction z+:+ c )o fh;+qdstrqopattern 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 ekkx f93:+e6m y,skuirl a5oo8nd by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands eo6siy f+rx oma98l5 :3kk,ukwhen viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What minimum thickness of q,hftg-jiibr: ):cg2d/u0w x this bubble will ensure maximum reflectance of normally incideniwbgc f: r-tj2:q) /duxhgi0,t 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 uwz7 np,*knm)soap film ( n = 1.33). What is the minimum thickness of film that will give an inte,mn7 wukz)np*rference when the light 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 of a nonreflecting film coating (n = 1.30) on a e7x)a lqtiyoyf k3 456glass lens (n = 1.50) for wa5qa7i6 )lyfx4et3ko yvelength 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 mjifohe 43u.3 and the intensity of to3u f4eh3i.jm 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 direction rom)p*hc: :sysi 8 xsth863 yz++xzl gtmtated $30^{\circ}$ 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 ppeo1)bj 5vqg :jdk0gc;lhcf21z b (t0iece of glass at an angle of g1gv kbc(ph f0t)bo:j 0 25dlc;qj 1ze$57.3^{\circ}$. 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 combinatmrgvir3) ou v6f77)ev ion. The transmission axes of the polarizer and the analyzer 7 6)vrvfmguir 3o 7v)eare 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 x17ioe + ftc9zksu.2ireflected in calm water is complez 2x9. 7sko+1etcfiiu tely 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 polarizer and then anh2vv-dk j hs*+ analyzer. In this process, tvkj *hd-+vs2h he 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 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 off a *8pkf15qnq9 q2u jsvwpiece of glass of index of refraction 1. 2v1psk*u85nq qf9qjw48?

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