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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 principle.3v3k2ie()hhzph zhsb a -y7q 1
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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 falsewrc2i q;9mea yy )6ba 14fwg7uyhv.c 5 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 i.m:k+l*xq4 qflwo (lr 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 is attributedo yik q(5ut(3cua r(x8 to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of different optical densu: zvde ;;gb*kv7a,ysity,

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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, ks z60eh gm4dn gv; ja08yk,a1enters a piece of glass (index of refraction 1.50), its frequenca;hnz8 g0gyka k40e,6 vdj1 smy

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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 traveling in ai9 0cp v+ qm 8dtoq6v,ktp+)xpv/cvf s.r, enters a piece of glass (index of r fcv pcm0oppq8/k +v )sqtvd.+x,tv96 efraction 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 erwi r6vf5xa vu(3dc4 vq92a-lxof7, for light spreading as it passes through a narrow sl 67 xarffv xul4 ec9-iw5rvv(o a3q,2dit?

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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, whereas f p7s,/,++vhnus cmpv light is not noticeably diffracted. Why uvp,p s ,+m+ /7fhcvnsis 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 cs )*q)yh;evz a:(.c2jkkudy dark bands when light passes th:;z)kq.y(hscukd)v *2j a c yerough two or more narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be coherent if tg4j huv2qh-(whey

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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 rzhfn;w-68 wpjy -lyswa nv.,1ays striking a screen are in phase with e n8w whw-1.,-;payyz fvls6 jnach 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 point P. If th 7ti2pd)sf8 sce maximum constructive interference is to occf) ps si27dtc8ur 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 mc+y9ts ;/dwelight travel different paths arriving at point P. If the maximum destructive interference isy9 e;w/s+ cmtd 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 on either s cz ;hwtuf y-/m4w5k;z eeo;3hide of the central bright spot in a double-slit experiment, light fr-uehw;y ; zf3oe4m;5wzh kct/om 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 c l1(i6feb-h 0+ wwfsh3 fne1rhentral bright spot in a double-slit experiment, light from3eb(wnh ff0h s6rli1e 1fwh- + 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 lkc3w7b7 4tp q-1it7s2coh+ a,y pxereither side of the central bright spot in a double-slit experiment, pqt+al hc177 ite-rw2k4oxy7sp ,bc3light 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 th 11*u4sgizj/ ul2 axwae slits decreases, what happens to the distance between the intgu s/ awa4z1j2lxu* i1erference 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 experimemep 2v2om8 ni4nt, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima 2 4n mei28mpovwhen 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 trrl:8;fz.d zl znu2 0gxavels 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 arrfge zc)5z .nb 6esoi.mg;5hd0ives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that point?5) z ;mhi0ggd5es.o n 6.bzefc

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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 d0 6 v1srca:fveouble-slit experiment if the separation of ts v er6c:1fva0he 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 maxima5 vv)(bf+ouf*.s - gennfhk: s in a double-slit interference pattern using monochf nob5kne+)v.-* uf (sf:s gvhromatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white light in7c4 -/k slsbxp9xa dr/to different colorlrs -xb4s9k ap/d7cx/ s 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 isleq5 bfixu+ 60

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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 soom12w4 wvpu(h e:7n r3 obrz,lightly 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 slightly longer 2o.gv -7eahur 7otsi ;q).md othan 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 when passing from ae: o5fhm3 ;:ug9v6-xxw 9pvedvpq4aa ir to glass:vq9a:w-mv fhaxg x3ee; 9p 45d ou6pv?

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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 smallest6 hro -hkcf-6g refraction when passing from air to glakh-r-f6og6h css?

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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 oqy7ent v,k91e n a thick glass plate with parallel sides, at a9y1,tekneq7 v n 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. If sheky;ep8u.:h)vl:0 ahob4 rz:mb s0 df h now holds up two fingers, with a very small gap between them, and looks at the light so0 h ;:fve:o hl0bhk)bp a:u rsydm4.8zurce, 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 experimenjumu ku)r69fc cx./kc3+plj, t, if the width of the slit increases, what happens to the width of the ,ur kcujpk)/ +fcjl. 9m3x c6ucentral 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 cm and the otheaz 6gl/f2ed hl4awd)xiz25/a r one has 6000 lines per cm. Make a statement comparing the dispersion of5af elz 2i h)d2dawa g/6/lzx4 the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the only diffel 4e ykj7zj*l(umn,,3mgs vv t. 9bt+crence being that one grating has 3 slits and the other 4 slits. If both gratings lej3jgmzmb,v+ t, v4ul 9tn* sc.7 (ykare 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 se1e,bgr+z xyetkb)i*zk, p;2lick are 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 monochrom nrg9axtw1(l(atic light waves can interfere constructively or destructively, depending on(n1xa (g t9rwl 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, strb 36t3yg pzn sx,4..b/miovrd ikes an air boundary, there isy4/3gzx.6rv t bobm .dsnpi3,

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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 reflecte 28g+p,n6j. 8l qu4umdlsb txed by a glass surface, th4jg26 ,8sbnplm 8xud lteu +q.ere 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 light. As thed):zn8 04uweuf z-o zv film becomes very much thinner than the wu u-)nvfe8wd4zoz : z0avelength 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 ofo1mx x,/irk (y.c0qgt light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glas xx(q01yi ,.otrk/ mcgs lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass platemcuxk900 3d4 2tbgr4)uyk xpd 1oqz/x and illuminated from above 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 lens and the glass plate are in direct om ) tzxuxy/4rkbd1p4 gkd0 0u3c2x9qcontact?

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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 that certain sungl wq, awl9 .:rh/xvoybtwr6xl)vl )5g:g92wm zasses can reduce glare/vty g::9ollv6r,ww zm2xr9lgw. a)x qhb)w5 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 polarization3c-xuzf3 g1utqz4z;u* 7 bmfp 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 dimd.xe y;s jmr q; avw- 3+lk(hf0j.)f/hhpee*chroic material like a Polar-mfveql(s mh 0hp;ray/hfw*.+e) dj. k3 ejx;oid 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 .(9 n/muysrqePolaroid films are perpendicular to each other, what is the percentage of the incident light ey(nu9 /rqs.mwhich will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surface of a lctud5(o9h k+l ake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunligw4imi+ 5+soru) v 3fwpht is 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 ds dqlif2vhwv 5rm*+44i5dp .giffraction 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 ze -ovy.t8xdb *enith (overhead) than it-8dxob. te*yv 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 a vacuum. It passes into glas87u +iz+psxq9 kb 4j sano7xy7s, which has an index of refraction of 1.50. What is the wav+xspaxz7qoy su7i bj 794k n+8elength 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 vhc/y r/o(6x0 eqig :zwacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside the 6 r:h(xy/ gwqi/ezoc0glass?

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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 6 o3m9ebw 4wsc:m4fc3f 00 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light in the g93 43oswemcc 4m: ffwblass?

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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 iqbb z i a+ek;wmnb.t(fk5j n)qgh22 ./n vacuum 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 foundn,+yh e gllxlr7a8k yxp.,e, 2 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 travel alog4 1bl,0ck+ yiesz1t $1.96 \times 10^8 \; m/s$ 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 th+cgs, (f 8 gm+i sz-f)o7gfub)ohtla1ese slits, and produces a fifth order f81 bi(m c- gglftf)uogozs +)s7+,h ainterference 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 qarw(4h,au /n i r.;nb575 nm falls on a double-slit and the third order bright fringe is seen at an anuha4r,(wn; bra./nq igle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation b1yte 0a2 ,zh+j 2duemfetween the two slits is 0.050 mm and the m2ee,y0a1t jd h+zu2fdistance 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 5yv bha46n2dah(,ek xwavelengths, 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 wilyk,2v4b dx5a6 hhena(l 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 lig (zt1udk xf10ibf1t/yht of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart d0bti(11k/y1 zutff xare 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 as7,0eeg. z hem 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 s7g emh,sz0e.elit. 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, strikelys*p+:p-az 9el j:fn s a plain piece of glass at an angle of incidence of 60e. Tl* -pzn: 9+:sfpleyajhe 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)+yf7nu tx4i5b, g4kl s and red light (wavelength 670 nm) is incident on a thick piece of g ylkxg4ns7 b5ft+iu, 4lass 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 wjq v y2ip-)3fnidth 0.20 mm. What is the angular width of t qvyp2n- ij)3fhe 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 illuminated by light of 550 pf-9 9+gw*xfz vgnws.nm wavelength. What is the angular separation betf+w gpz9*9g -.fswvx nween 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 s6ob dy;(q x q6rz2ze)zingle slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction 6y()z x 6zdeq2b;z orqpattern 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 fj z9 n(el/:)ea8*nbajzqw-ra slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.a9j :8b/zzfrw anq-le* (jne)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 nm is incident yy5i0h/(6nm3n yh 2bz. aakvn on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of then2yh/05. z k b3hn6iny(yav ma 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 incidpzxd)hk(axnhed-n9.+sxwd tn kf 1+.(i12h r ent on a slit of width 0.300 mm. An observing screen is plac2i( s p)exk(d n1h zdrn-fx+n.9h1.a+wdhk txed 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, its second orki(vq8v0exwtl+i 9f4der maximum k48elt0i v+xw(q f 9viis 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; g8mhc*bcd,x per cm. The angle between the central maximum and the fourth order m8b cgx*d;, hcmaximum 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 rulqp jnzra2a .02ed with 50,000 lines. The second-order maximum i2z2nj0a.qp ras 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 nmb t*hnk.j+p0 9xn hbhs12 kqwk7mir 13 wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the seconbh.ik tkrxq*w2kpj13 hs0 97+nnhb1 m d 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 ha ezxckb6*o8+*9 yv jegs 6000 lines per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side o vgcbx69k8*ezej + *oyf the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectralc, vbsh3d,pf t*4m6kl hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first o,4 bp 6l*dctfs3kmh,vrder?

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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 tz w/qs.(ot *zno calibrate a grating. If the first-order maximum occurs at*sn owt ./(zqz $20.5^{\circ}$, 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 norccyu wuds* 3uv6n67 yppu e2r 627q8trmally on a grating. If thp 6 dp *cweu8rutyrv36c7 u762u nsy2qe third-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating.p g-wr)ey.sep oh ;*.ov*7wxg If the third-oroxseo)*yg-;7wg.vr *.w eh ppder 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 end by as h(ns0dqrpg,*s p ro;e3yzc+ ,nxf;9 strand of someone's hair (diameter 0.010 mm). How fary 0grpnzds rh;ofx;s, +3q9ensc(p *, 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 re (dsn;z3a a:ckfraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance(a zsacd: 3k;n 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.jx( d :jsr6why4v7q7h33). What is the minimum thickness of film tha 7qh7s6: dhjrw4vyx(jt will give an interference 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 coatingt o 7rma q9zy2/vwb:hs+gw4 c+ (n = 1.30) on a glass lens (n = 1.50)z /2 q7ywrmgwhtov++ :b4a s9c 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 the intensity vq.h* t2:7x9rf.p 5 a.wsbons ojco7hof72cbx:s5a.wq* .f ht9 vpo o honsj7r. the 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*mx rnoq*dhkq6 rqiq,/;y v 5+ preferred direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat pieco c+.()d(zl x gcz4kmbe of glass at an angle of g( z .d)cx(czmk+ 4lob$57.3^{\circ}$. 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 poloragkl,j0o x -yls(. /arizer-analyzer combination. The transmission axes of the polarizer and the analyzer jk.-grls ,/oy lx ao0(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 itspylep xkm+2;;wuhlqo;a4q2 u::-rq p image reflected in calm water is +rp p opuql2xe;4q:l2h;mqya;k-u :wcompletely 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 byv0 .my vx6u1and 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 1.uvyvx6 0mb yaxes of the polarizer and the analyzer?

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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 inc40 xxmn-p) ph vacuum and reflecting off a piece of glm) cp0px -nh4xass of index of refraction 1.48?

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