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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 princi5 fmgb ( ni2g)sby*u,tple.
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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*ae qnl,py f 6i8:7tuy 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 lig esg(k*lv;dxu:62ny k ht 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 w2):/3i 9t3)ibgrqd+ltwbv m g tkz/;-y rcyllight 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 different optical fou . k( i.jnzhgu-*z6afdn3/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, e d z i)o)mng*w,8plr;onters a piece of glass (index of refraction 1.50), its frequdmo,r 8glo)w z;n p)*iency

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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 (wavelengthftw:qnt 8a3l3ny5x7uajc / * s = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 5l3q 7jxacn/t f8 a*tn w:suy31.50), 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 passes 3;,mmeto w+uva nl5* xlri;r2through a narrow s v+* r5nxrw;2m3eou tl ,;imlalit?

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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 buildingszob x :,-m0ekgl z+ee.)e dot*s5/tqy, whereas light is not noticeably diffracte eee0+ -xd tm,s.oqzt:)*5 yel/kgbo zd. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and dark bands when light pao:nf7 ma8qn fs9yg+z+sses thro:+g fmn z+ ya78sonqf9ugh 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 b 3mtmi feci+f(7f:+zs.)bjs 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 are in phase k5a6me.l h*8/p u kn:2owgexuwith eacl uuo2.56h em:gek pakw/ 8n*xh 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 pathca3gn8-m 9rods arriving at point P. If the maximum constructive interference is to occur at point P, the two beadar3 co89-ngm ms 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 d;y3w9forp adez/ )tg-z;+m:n f* bmfmifferent paths arriving at point P. If the maximum: a z3f;*ff);zom+y/pn9 -remwgbd tm destructive interference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright jzz)fxd1b3 t, q3bv+v spot in a double-slit experiment, light from each opening j, ) fqdvvzx33t1zb b+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 douetqj37hnzt b5hu ah*9 un-.9 jble-slit experiment, light from eac9uu* a9hjq n-th h 35n7bztje.h 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 mg* gbl)bgwwh v,n: e 8.oa*e0side of the central bright spot in a double-slit expegg.w)l,**gv hom8:a0ewenbb riment, 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 expe4rhi,un97l hariment, if the separation between the slits decreases, wh4halr7 hn9 ,iuat happens to 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 experix rv +ns0b2sn8ment, 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 when the slit s2+sb8 n n0vsrxeparation 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 tra sc0f tfo/4en(b;ob9o)aue . vvels 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:awte0r-c jarph 6zd rx20 8*oibg-/ble slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is obserw rr/0ac-g6 0ipxbea-ozt*bh :2jd8 rved 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 f svffkd dqj:10)*x5) tyzldg- dxm/:eringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light usgdykme-lj1fdfv 5d:txs/)z * : qx0)ded?

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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 interfe 83ny8z1bj/gad lc)v+ urzaf)rence pattern using monochr av3rn b jy)81+f/zzculdag8)omatic 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 differei(1 i1: dlhcsjnt col1cs (1jli:i hdors 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 forn555ct9( lkko toat9swk+ y/im 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 shoru: l.9ecibt, xter 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 lonilm)7wm5r * t 25xnrgkger than 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatfx:c2i 5tegdxkv8 ki0 vxq6h/ jqu,+k841 ek lest refraction when passing from air to gliuv+ /idjlf88vk06 gh xeqk e,xcx4tkq51:2k ass?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refraction when passing frontobq89 l0 *dqm air to glass80lqdn9*bqt o ?

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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 au1g/p/l.cs7gbag : m is incident on a thick glass plate with parallel sides, at an angl g gmab1/:uagl/.s cp7e 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 sjklp nt 9j8 3pldgp321he now holds up two fingers, with a k2pdt1 pl gn9 lp38j3jvery small gap between 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 experiment, if the widthv/-q2qezsq j(uubx+/ of the slit increases, what happens to the width of the central maximum on a e/+ vqq2usxb j-z(/ uqscreen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffractixdj8w h/rg8te-*geh4ke7k , ton gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the disg8/* trej4kedhw8egxt 7k ,h-persion 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 thed ia+td5a,l.g same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If bod5ia adlg,t+. th 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 s7*75swz fuyuc lick 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 monochromatic light waves can inu3 xn/-5l1lph acfd 7gterfere constructively or destructively, depending on their phas/l3gxhuc5lf1 7 dnp-a e difference. One consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes afh::h5g sxw1w q4*vql n air boundary, there is4wf15s: *v whqqhl:gx

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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 2gemv8p 4rv rrzar(* *ii7,gyglass surface, ther 4*8g,7r ryrv( egr pavi*izm2e 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 the film becomes very)p*l-w8wtxx b much thinner than the wavelength of blue light, the fip)x*tlwwxb8- lm

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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 h30 eyr:d8 8yfskqkp( yn+4duin magnesium 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 refraction of magnesium fluoride is hdey+ q80k:nu ks 84yfy3dp(rintermediate 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 illuminatedm byqhzw :3+*d from above with monochromatic red light. When viewed from above, concentric bands of red and dark arhym3 :wbqz+*d e 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 fact that 0lf*l xl9wk 04qoymp(certain sunglasses can reduce glare from reflecteml0x9lpfyw*(4lq ko0d 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 isky9edyqs lm 8cbv //), 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 dce:b eop:yr- 0/q,xs eichroic material like a Polaroiyq/-sr o:pxeb0,ee :c d film?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmissiohz( xhxs1u(/si1hwti( z 0(wwn axes of two Polaroid films are perpendicular to each other, what is the percentage ofu1zi whxtws1 x( h/ (zihs0w(( 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 s6)mh qh8yt9iv urface 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 greatesth) l f4u/dc3nh 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 followiwet jt.g .4clobc p64+ng is diffraction 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 zenith 206ds6rcq hcc .,-pvxpqped5 (overhead) than itcxcsq2.,d0 pvp-6qphr 5c6 de 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 iomf b) ::2atu ju7/x9rx7wqckn a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light inm7 xq u w)7jux:fbtk/oc:r29a 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. I2lk x/r7omis() b+i ptiv+ oe/t passes into glass, which has an index of refraction of 1.50. What is the frequency+ sirt(il+ik72/ )op b/ xvome 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 pas kd*lue6gi(px )1 jvy sxh60b6ses into glass, which has an index of refrabylx6u d(0p ivs 1h6 kgj6x*)ection of 1.50. What is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is found to travel at m0h;v2rk3 ye i$1.96 \times 10^8 \; m/s$ 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 (ri+b0(zs iqh 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 55zfcm )q(nve)vq:auwwd 3h4..0 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. Monochromaty ioam4t qd8w ui70k1-ic light falls on these slits, and produces a fifth order interference fringe at an i047ki8 aqw1m-dy otu angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit and the third o / uvf iqa+x2)nx0ppao 9;c:ixrder bright fringe is seen at +i20pqapx i;a9u /xoxn)c:fvan 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 ex2u..s hn(x hc/+ edaljperiment, 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 the spacing between the first-order an(2 n+ ul.as.jchxeh/dd
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 wavw q yysah1-tj1j ,w)im+.3ul aelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At whm1+hl)-,s 1atjuwjqi a wyy .3at distance 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 mm apart. Monochromvi7 )jpue0rf(z2 ayy i910hh katic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference 9yyi v1u(f 0jre0)ap h ikh72zfringes?

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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 a2 orfgrpc 4;*x slit separation of 30.0 mm. The resultant bright fringe separatif oxrg4;r* pc2on 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 wavelengijt3 4vji m0 c*smgcm+obs+* 5ths, 480 nm 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 at 700 nm. Determine the as +45 ccmj** io0ijm+ smgb3tvngle 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 nl+sxg*xui:o/ /a s8onm) and red light (wavelength /8gx+:sxnsi/aol ou* 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 0.20 mm. Wh8e7u9 vv ( e+ fot(ajk0qjhwa1at is the angular width of the central diffraction peaqk0ae(8 9(fev1oh+waj j7u vtk?

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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 illuminatea:6 u5df ujh2ix(pzr.d by light of 550 nm wavelength. What is the angular separation between the first two minima on either u2aiuzrxd(p5 6.jf :h side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a single e bkcp27 za+j:slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark pkz2bj e+7a:cfringe 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 mcpho.pz2 u 2/2m: qpkm gbrt1:m wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of2c:z kqth1 rbm2p o:./mpp2gu 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 on(7ankz5k; csr1i6x ph a slit of width 0.300 mm. An observing screen is plaxk71hipc krsna 6z 5;(ced 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0hcx:-r/tr9 *gmb fi:0ham 3 b5vcafp*.300 mm. An observing screen is placed 2.00 m from the slit. Find the pa:bm/x r- *0 hvf*9rc5tcbaig f3h:mwidth 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 syhq.bxb- o, nu/r m 3tjl3(7od6g 4ozsecond order gldo/o,7q j64mt33u sz (h.n ybx-rbomaximum 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 lin(ar ajy *g0fr..tq. mqes per cm. The angle between the central maximum and the fourth or(frg.jmyq. 0a. qr*t ader maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating that is 75 mm wide and ruled w dr h26dpt8pj0pl,qr0ith 50,000 lines. The second-80pq0p,rjrdd 2p6l htorder maximum 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 wyjq im 9hdz o+ a6ubh0-/ht7n6avelength 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 fron0d7j zt-bmyu6ahh +6hi o/9 qm 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 *oeqseu nwq 6v(wx6lw/3 4 7fgit. What is the angular separation be*/f oex(6ewu3q7w6l4sqv ngwtween 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 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 gratinp42pkia83 jqls4c 0 sa1p 6cblg. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm)c k014scp bpji6sl3la8paq24 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 calibra kw/12 x;xvu3.xvio2gu9zmm t te a grating. If the first-order maxim tim29ox3 k/xgvvz m2u 1xw;.uum occurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normzjj(3a rkwlpi9t+6 ;mally on a grating. If thej6m (w39a+k irpt;ljz 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 qmezh) tz-c 1/2b akd k)(cr*jna/:w lon a grating. If the third-order maximum of the diffraction patc/zm w l djq:-rc1)a2*/nb kk)hzt(eatern 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 end5l z8q tz8qy/u by a strand of someone's hair (diameter 0.010 mm). Hoq/z t5zqlu8y8w 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 mb5f vv bl;az-t-:g-p xinimum thickness of this bubble will ensure maximum reflectance of normally incident 530 bba- ;gzp lx-v-f5v: tnm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). What is the mini* p/4t;psaam imum thickness ap /*p;mi4tasof 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 nonreflecting film coating (n = 1.30) df 6 6uc85 ng;vzirvqas6k5n. on a glasi5z .vn8qk cvgrs6; nf 66ad5us lens (n = 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpo/ mcy uvb,nd8:larized light and the intensity of the transmitted light is 1. A second ideal polar:b8m v ndu/y,cizer 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 rotatediyo2 4 c1rjf.d $30^{\circ}$ 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 fl d s*t/;byww2 8+tqideat piece of glass at an angle of d iwqbttys2 w/8+ ed*;$57.3^{\circ}$. 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 passedeukyaqw1p76, through a polarizer-analyzer combination. The transmission axes of the polarizer and the anapyqa17, eu kw6lyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its image reflected ,xoi: h(sgvbb)7u na4 in calm water is completely polarized?b ()h o4: xba7sv,nuig

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an analyzer. 75 .ntuw nney6 In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle bet6u tn e.ny75wnween 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'u:3 vhuah*;d vtwnxat6ejc7n ; ;5 1;jalv;bss angle for light traveling in vacuum and reflecting off a piece of glass of index of refraction 1.48hwaant73lv; v jj 1e:b5t dvasx;;6;c u;*hnu?

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