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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 principrz28i2hnkwl9y 3 dgk4 le.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followi3(c 1y/w9bku *zpwn2bzr- qshng is a false statement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of light is attributed t+qmhg 0u18)xobz2f ado

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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 attqnx9oq ,ezm:; zw c/w:ributed 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 /u/ s t.s5lpa)tj(0gny gj2in optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in air, enters g(bmdjr waf66ar v, *;z.5fcya piecegm.5frbjv ;a( ,6c*f z6aydrw 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), originally tr*w 8hfbx a-6*f+yhi gsaveling in air, enters a piece ofghsfib* *8w-6hfx+ya 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 it 8rnmvg0- x)krooe-3 fpasses through a narrow s- grv-f) 0omekr 3x8nolit?

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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)qw*y x5 k;xkm large objects such as buildings, whereas light is not noticek kxw5*qy;)xmably 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 resp8* t qmf91bsri1qjb ibd.5 ;gkonsible for alternating light and dark bands when light passes through t*j5d81bkmqq i;.9ift1 bbrsg 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 hn2o6/ns498hkk z dw ibe 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./ s fps-sff(q are in phase with e-qf/f .sp( sfsach 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 0p,.sdnr ; ghl p, vlz z)2(idvyjs;j-paths arriving at point P. If the maximum construc-id; .h)nsjgvz ,pslz0,lr jv pd(;y2tive interference is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travellf- mkilp:o72-5yya laf7 1m f different paths arriving at point P. If the maximum destructive interfll a7yf7 l-iyf1kf-oa:pm 52merence 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 on either side of the central bright spot in a doubleou2pi 0 k*ty5v-slit experiment, light from each optu 5io*k0vy p2ening 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 bright spot in a double-slj,08opp:(hsidw 1okmhk sp,*it experiment, light fhkpjm,p:, 1i8 s*wp(oso0d hkrom each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spot in wm+-4 r ze7fxba double-slit zwfb me+74-xrexperiment, 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 j*cb pfyl4s(u 4u3fuz(z.fnn) rn-:aslit experiment, if the separation between the slits decreases, what happens toff-b) su3ryz 4nnu *z(4auplfjc(. :n 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,/4h *gw 2my) 1pgrw a,qgr*hfx it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the ,h4xh1fa wwgr* /2q ympr*g)gdistance 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 lig mh-053 zh-c; y+yvx j;uduxught 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's doub*fp: tf*pd u 0k2ydit,le slit experiment arrives at a point on the screen one-half wavukt0dy p,f* fp:d2ti*elength behind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain in*kh2,/vgb :8rdazntkterference fringes in a double-slit experiment if thebd2/ zg,ktkavn :hr* 8 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 interfef1wv8g+:;) gqq ,2zc fuzp r8(wcohthrence pattern using monochromatic :g +hv8 pfcwf g2qzq;trcw8(,hz)1uo 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 into difd c9ps8.a9hzfferent colors is.ah8 9pfc9 dzs

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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 alnpwy0fwo;l1z 9(-8ijvi6. y 1wetxz 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 sliv1e q3d3oa2kqh l+/y l,r6bmv ghtly 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 slilj q(1;c )y;eqp5vw s/oini 3fghtly 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 l72m9q9vgzdx d ae30bthe greatest refraction when passing from air to glass? dzx0q 32g9ld vm9ab7e

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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 undergoj/cwwq 21zyy,vdz 76hes the smallest refraction when passing from air to glas,2yjd / hw7z6vwc1qyz s?

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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 platz0 *wgt1/ .9dozycmz7p 6r 2efrsvf7 le with parallel sides, at an anglet * yo9/z spzwm.7f2lr0c efvd1z67rg 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. If3;-;thv. (mql d udhkt she now holds up two fingers, with a very small gap between them, and looks qv; thm (lh.d;-3tdu kat 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 diffss)0qqjc78a craction experiment, if the width of the slit increases, what happens to the width of the central maximum on a screen?saq0q cc s7j)8

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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 o el 12:cml*th -5inlt+ia:mmhne has 6000 lines per cm. Make a statement comparing the dispersion of ct*h1l l:hte2anmim -5+i: lmthe 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 wbc/ u i k9cni9tem2809g7edw only difference being that one grating has 3 u8990ce9cb w g i nm2/tiwked7slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between 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 (q6i) w gt8yjrmkdb*e9:y t ,lcaused 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 ligh0qkq 7 e) 0xen7(tuhvivx4p71f qz,gi t waves can interfere constructively or destructively, depending on their phase difference. z1giqfevpt,h4 0xk (vq iu q777xen0)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, whic- -j4n rl7/qter t1ikqh is traveling in glass, strikes an air boundary, there q-/ei-7 rqntkr1j4lt 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 air1b 4i;fg8xz: d veej2k, is reflected by a glass surface, thgxz2:be81 4kv ;idefj 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 xjhn1hh+j;cl*j;v df a9*; bc-t8kn aviewed in white light. As the film becomes very much thinner than the wavelength na+;h d1hj*j*jn c8b ; c-hflvkxt 9;aof 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 vpow e8 -4jo8ffluoride, what is the minimum thickness of magnesium fluoride coating that must be 8 oepfov 8j-w4applied to a glass 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 plate and illuminated from above wit.r y2it ibc8wu t (94iv(0nvosh monochromatic red light. When vi 9i 0cv b4ttn .w(iuv(r8oiys2ewed 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 l;v,orcuf5 :gfact that certain sunglasses can reduce glare from reflecte,lrcfuv; g:o5 d 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,au5; jgpn ;(ab15qbiww7lr3hny77d o the direction of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichedisa87 6crh 6roic material like a Polaroid fdecr 6 hi7as86ilm?

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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 Porik(j ljq9pm r:va.;8c6 q-vtlaroid films are perpendicular to each other, what is the percentage iq ; mlrjqt- vca.r9kp:(68j vof 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 of8 jg6c7/mk0yy si/ nnz 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 grea: lr7:vf -nlcwtest 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 durmwh6 hn;x pytro +)y.-qy0y-kpp+nnv )97iiffraction 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 zeyb(q )jzy9b +o6c vy1enith (overhead) than it does toward tzy) bcjoq6y1vb9e y( +he 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 vacut.x2at r dz8ydko8bvu l0)h2 8um. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the l8v82thra2 8)yot .0 xbddu kzlight 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 intqdgh(593v0k m 6iu :foe sqk;4mp g8vvo glass, which has an index of refraction of 1.50. What is the9kme 8smgf30op 6:uh45qvqvk d v;(ig 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 e d/s-,truts r .:plf)into glass, which has an index of refractio/:s,rdft- t ulp s)r.en 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 vq8fxrz1 q 8 2.b/gtbvkkzy60kacuum 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 to travel v- ei6yil 101;wcq8 fgxh(yio 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 cmbdjvj10eb+ ;z.k q;nm 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. Monochp3z5/lt eurke- luq6 ;-2aaqy(pazv 0romatic light falls on these slits, and produces a fifth ord 5pq- uk2alq3(vu / telarzze0ya-6p;er 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 wg 3.s:tl9 btz-vs1innm falls on a double-slit and the third order bright fringe is seen at an angle 9 vn-.ti1ltb sw3 gz:sof $6.5^{\circ}$. 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 betw8i*r9i;nsgx( xrv7 k neen the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spa 8ixng9 rxi ;v*rsk(7ncing 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-/9km7ngv0 k di2.a 6vbnhgo hty3g d, mm, and two wavelengths, 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 7htmg. 2d/onvi -,0ygahknv3g bdk69a 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. / nm)vd:odeet; e1hb z5 4t1ojMonochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference frin/ :ezdbttoj1ond); 5v4e mh1eges?

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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 sbuyt u,b+.yxedfp84/b k1b i6etup 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 bu4upby y/ix ,.e1bdb 6ktbf8+etween 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 n gq0.brjiu .)xm and 700 nm, strikes a plain piece 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 aj.)brui 0g xq.t 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 (wav:q e bqvp woty:m ,ov2z2d0+e/elengtz0q+:tdo2 v2v mq:eo/eb wp,yh 670 nm) is 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 of width 1dw/kf84d.wldx2 wd yh,gjt txn* w,-0.20 mm. What is the angular width ofwyhx wn fwtwkdj- *.,g,dx2d 4dl8/t1 the central diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illu1. hw54emw byl,6waoeminated by light of 550 nm wavelength.myo ewlw.5b,61 ew4ha What is the 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 687 :zikn1 +xwsr hn(814ohr)qxm: wqs dg45-ktcnm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be +4k:gwr iqhd-nkrqhx:)1o c(s1z58stxm 4 n w placed 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 diffra f .y5,g; ojvls1f yqha4,edf.ction pattern is produced on a screen that is 1.5 mqy,ed1 ff..fg ja5;oy vhs 4,l 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 onsigc q6l6 gw3hr5g54r a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from rgw ql 6ghgcr36i455 sthe 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 incm e0h l jjhh5t 0h:s6)hzp0,heident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of0jh6sl jm0hzeh )p5h ,et:0hh 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 linc26 9dhqsol3 ves per centimeter, its second order maximu2 6o3l vhsqdc9m 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 h3dqre+bwe8/ y c48+ twlz31 lm6ayrn vas 5000 lines per cm. The angle between the central maximum andv34w ql dl +w38+rbyznem1/ try8 6ace the fourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incidenk+f *okntxax32mbb 9*t on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen a to*+f39 kmak*x bbx2nt $32.5^{\circ}$. 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 4uueu i6znyx-fu7u67first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic souru7u-x 7ue6uyfnu4z 6i ce 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 centimen2srmr3y8 yc f e)(gy *9oh,2r+kzxwyter 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 2rz2 eycf+g(o9xr )wy8y3k* ,rshynmof 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. If the gratoo wkkp0) *ox9ing has 2000 lines per centimeter, at what angle will red light (640 nm) appear *)powoxk 9ko 0in 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 70 4xxvryfb2i3p3 rsc) is used to calibrate a grating. If the first-order maximum occurs at 4fb7pr cr xx v33s02iy$20.5^{\circ}$, 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 normx5 *8ibpg, x.w-1b wiufnw/mmally on a grating. If 5 ,*xmw/.imu xb wi1gf8p-wnbthe 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. If r jp )r/41kt0ne8cvo 9jk cb(xthe 9rk cvr 1c0/op84k(e)njbxt j third-order 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 an1qlx) enpp ejxk-(:e y: ab2h0other glass plate at one end by a strand o(hak0pybj e-qpxx1e :l)n e:2 f someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What minimum 7- valz6vdkh+e g)xj): bf m;jthickness of this bubble will ensure maximum reflectance of nomg)xh j:l )f jk+7ebv6da-vz;rmally 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 = 1.3xsra .+ zxyb503). What is the minimumy.b 0xzs+xar 5 thickness of film that 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 nonreflecting9pqqtmc512jv film coating (n = 1.30) on a glass lens (n = 1.50) for wavelen q5mq21c9tpj vgth 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 unpoltbqcd;* h 7+olarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in thl*cd;hbto +7qe 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 preferr hf9hv drp8;d96 xq.tpis,7,u r ubaw(ed 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 stgc6hf g,t4)td rikes a flat piece of glass at an angle of tg,g)4f c hd6t$57.3^{\circ}$. 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. Thts fxwwg0.u+ ) sh5hl/e transmission axes of the polarizer and the analyzg fwwht5) lssx. 0/hu+er 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 thryef++we dk/7g- :bncjrqn8 ;e Moon when its image reflected in calm water is completely polaricf 7/j;r+gkee- nbd8rnq+yw:zed?

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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 t52m y39k scyjchen an analyzer. In this process, the intensity of the light transyjkm ycs3 95c2mitted 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 travelia-fodv:vpg+( ng in vacuum and reflecting off a piece of glass of index of refractiong: d(vpo+-f av 1.48?

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