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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 princiotv;/) 1g u mzx8 qfdlfgsdvw5fw:-+ 9ple.
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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 statem +irk os0a(8+npjp*jtent?

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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 li:yj-y)mh-e kpv8ee8- zx fu,ight 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 / c+4r:hsbnivattributed 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 deye( qkfi112 k v.d2.t/amkyblnsity,

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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 (wavelengthc) iqfko46 bond;)z2dz5z b4 t = 590 nm), originally traveling in air, enters a pieti ozf zqko2 5c)zdb 4d)4n;6bce 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 x,,pezc9 3p scn5r sv9u:z)0qexzoc5= 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), itscz0 ,cu sz3c, 5 xpeex59:v)onpsqr9z 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/0a 4vc dm5bw1oqiu6itla9 x + light spreading as it passes through a narrow sliti q0/lw vdc5mta6iaou4b1+9x ?

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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 buildixwf+k1 n;. w jc0sgzi+ngs, whereas light is not noticeably diffrac0+nw ; s1 gczfji.kxw+ted. 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 resc/gj 19p4(u r 89u lw6tfyeyczponsible for alternating light and dark bands when light passes through two or mory/ 4wu8u 1elt9yp(r9 cgz6j fce 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 i .di5cu1x( kqrf 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 lighgz96l chlf56yfagq5: t rays striking a screen are in phase with each othf :qghg6y9cfla65 l5zer?

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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. on5/rs6wq oy; If the maximum constructive interference is to occur at point P, the two beamssq;rw6n y/5oo must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. a+tel*/w/sai If the maximum destructive interference is to occur at point P, the two+t /s ieal*a/w 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 spq+ 5ogz5 8xw 0s4urnilot in a double-slit experiment5g 8il4+rs ux50nwoz q, light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the centra,-hrb ;;ybkkb9um 5ko l bright spot in a double-slit experiment myk -kr;h o59ub;kbb,, light from each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on eipzje b3+pw2d( ther side of the central bright spot in a double-slit experi p2epbwjdz+3(ment, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the sepj+. 7if2wb wo4xmoe6l aration between the slits decreases, what happens to the distance between the interfere4xm i b67+2weloo. jwfnce 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 experimentw y.g1z*d(srs , it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacs s.dy zw*(r1gent 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 travels d i(6hh x;;bklpath $P_1$ 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 sl c5vnczv.rguhz np93:l2j3 9uit of a Young's double slit experiment arrives at a point on the s: vh g5.cr992cunn lv3zjpuz3creen one-half wavelength 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 imposs9t+3*f ulpl: g fr96th,kttrs ible to obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelen*f6 9 tkulrrs9,+ltt: fh 3tpggth 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 maxim8 +tsbwh40du212 ysvr)hauf wa in a double-slit interference pattern using mv4drb08hfwua u) h 1 s2sy+w2tonochromatic 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 whyki5qle pptor.t//zh 6 d; z;y: a prism separates white light into different colors z;per5hkl t;o yp./:z6dq /it 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 2j xt9)auf hu*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 shoryjjjeej;enh;m 6 9h9)y 6m8 z7hiq7u hter than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm is c qxm6bi4 mf; ;xmp)dm)alled

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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 when4zswsu 9n:7n a passing from air to glas7an:w9s s uz4ns?

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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 undergoesg88huln, 6 ,iy (e9viflz;k hk the smallest refraction when passing from air to 6kl ,z i; vi(k9gyhu,fhn8el8 glass?

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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 incide9. ppcc6jjd7 v1,zkrent on a thick glass plate with parallel sides, at an angle betweenc, 7rzc1je k96dppjv. $0^{\circ}$ 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. I2 bfv6n alv7quh8uy*,f she now holds up two fingers, with a very small gap between them, and looks at the lvu,6vyu8qb na*h 27f 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 width of the slit incr/a+ca)w+o mxx eases, what happens to the width of t)c +/m+aoxx wahe central 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 an 5 ;2blvjhl44t.e4bb gp4lbcnd the other one has 6000 lines per cm. Make a statement comparing .4l g4c 2b45nb4 vl bphebt;ljthe 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 diffractio lf:xsz x555yvksa2m: n gratings with the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratingsvx5fy:ks5 x5as: zl m2 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 caused by rrh5w s- 2dik6h ah*2zpeflection 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 constructively fk hh)jd bn,i7nx -8e7or destructively, depending on their phase differen7n j -khdfn)78x,beihce. 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, stfs:oxs tin334rikes an air boundary, there ti 4 fo3nsxs:3is

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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 tcr4;mtusvu)i)r; j e 1o- ey tn-vd0:kraveling in air, is reflected by a glass surface, ther ) ;i v-yuk e4vr-rmn)ts;uotd0e:jc1e 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)q(2krq b8 ukub072r oxa8wm ecw. ks0. As the film becomes very much thinner than the wavebs( 0 u rkk 0782o8rma.2xwuwckb qe)qlength 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 mam6w5o4r.mi4)is0 eq 8ii wrbovp8s 5qgnesium 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 intermediate to thaem5r5)m 8ib.swo4 i 864 sopiq0vriq wt 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 aailubj 4r (n)u +sf+odd8 vk-9nd 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 dired k(in v9rfasjl +du)8 +u4b-oct 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 responsiblekvh6dwx84 r .e)aaqk* for the fact that certain sunglasses can reduce glare from reflkehqka v4r6*) a wxd8.ected 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*t fe zbubby-nz)s7( + 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 dichroic material like a Pol sx+9p)i ,atjsaroid fia +stp ,9xsij)lm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are perpenp8 odg3 .xql6rv+hy 7ndicular to each other, what is the percentage of the incident light which will pass the twogdp3+vyoqx. h6 78nlr 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 tc zmdfk7r9 (.ahe surface 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 grek7;p:py9 mak-iprfr 2 atest 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 diffraction NOT exhj ndn+k,:h0hnn; (bj sibited?

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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 skynauu 4c7i6pn9 ua.mr ; appears to be more blue toward the zenith (overhead) than it76rp ua4m. n i9;uuanc 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 wavelengjd)x4jd4 35w8fksgg vth of 600 nm in a vacuum. It passes into glass, which has an inkjg43 jxdw ) gs8f5d4vdex of refraction of 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. If lk(xvo 5x6 +k,o3y7(qq lvpet passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside the,3lq+5q(ofpe(k76ly ox x vv k 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 vacuuzi.rzh,6, iqvpuf12+pdvtx) pp*5u kd b33ihm. It passes into glass, which has an ip i,hixd1v rz2ipf5d,pp+v hzbu)*3uq3.tk 6 ndex of refraction 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 t2y3:gfcnb 8(3 pwgthp o 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 10w1kdt( (wgwa m u6vjis 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 zbbbg9h(k dwg : 11gp: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. Monochromatic light falls o1o m* cury +tt k+/-ozc0nk8vmn these slits, and producottz kuncym k/+mr+ *0co18v-es a fifth order 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 nm falls on a doumr6q wca2 3ut0ble-slit and the third order bright fringe is seen at an angle t3r2m ca q60uwof $6.5^{\circ}$. 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 experrc21 e;zrxg,+a5e 5owwerp )viment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, fin+w ,ov) ecaew2rrx5gp;r1e z 5d 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,3 )4eti*hbdz m 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 a bright fringe from one pattern first coincide with a bright fringe from the other?*ih4 tm 3)edzb

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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 aad:c zluz* 0*ppart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a scr pz*u*z :0dcaleen 6.0 m away, how 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 on35s+ c z(cfj;cfq*bi5k katy4 a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm5a*3f f k ;cb+qysc i4kzctj5( 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 bea;h ge.iaqzml )letz6x cc) da8s1;/m,m containing two wavelengths, 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 angle between the twoa) l. tdim1;mqzl,c 8es/hzg exa );6c 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 (waj*f1a(k zw.(lw :xmrq velength 670 nm)k zw.:(x f1wqm( jra*l 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. Whai1x*pa ok3w 7ef:ecx2 -/cr g g.:cweot is the angular width of the central diff2g wp:e e31-c7oorcc:/ekfi *xwgx a .raction 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 isk7en w6c1no;yx:p0+phif 8w kr7)djc 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of th p7;nwed wj8 7+yn:fx0c6opkrikc)h1e 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 singlf +cnh.y*s rs+e slit 0.75 mm wide. At what distanc+nsyr h+*f.c se from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the screen?

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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 slivn-wc1 g.(x x0ga4gq pt 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 40gqxgn1.x(a-cv pwg 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 on a slit of w8q 42ugv--vqs6wo1 hrksb k z2idth 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the firs w-vs8qkb-g6 qh z224so1ukvrt 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 0.300tj6 2c+fg71h2by m+qskkw.;e9 3tydgfd:ez u mm. An observing screen is placed 2.00 m from the slihwqbyf7 z6dt+kd g+s2.eucek:m;t21 jygf9 3 t. 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 grarw1vog t(fn aw+-gr5)b3c n1bting with 7000 lines per centimeter, its second order maximurn+1)tnw 5w-g v3bb cgr1 (faom 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 cm. The ar vg/,iq*a0et()(x4sj:pn e pahzwo4 ngle between the central maximum and the fourt*x4: tpagzae4,e h)ri (0 w /qo(pnvsjh 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 incident on a grating that isfsq: pfpur 216 75 mm wide and ruled with 50,000 lines. The secffu s:6 ppq2r1ond-order 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 o3c m idac) :hok;ge3g1f 600 nm wavelength produces a first-order maximum 0.350 mm from the cent1:k o)hcg i3 mg;cea3dral 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 second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled on it. What : r/zxtk +1 ffpkf/-z e abyy8))at3avis the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated wk f+/3vtpbyt/yax): k affz 8rza )1e-ith 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 gratingxb0gdmbd0ap1qx +3,4d.uh is. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear a q30dm.1bxh4idb0ds gxu p, +in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to c u,d0lhpnlgwuo48o b1t 8v*v1alibrate a grating. If the first-order maximum occurs angl0vb 811hpdu4oovlt * , w8ut $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a gratin5mc:z x6 a.bobg. If the third-order maximum of thzc6 xm :abb5.oe 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 graf, c ys.e(c uy,w5tqbhzf+97 iting. If the third-order maximum of the diffraction pcwibe, csfz9y qh (,+ ft7yu5.attern 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 pxk ,,s.*rhp2sokk cw 7late at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wa row .7k,2ss*,kkxpchvelength 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. W;lc zl:v(jj,q )i-x xwhat minimum thickness of this bubble will ensure maximum reflev :j lxx;w l),-iq(czjctance 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 = 1.33). What is th+ urgyg: rh5l-e minimum thickness of film that will give an interference when the light is inru yg5-:lr+h gcident 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 g l hm:k 9(0i.mozccw7of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengt.wmo(l9i 7c0:cmhk z gh 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 unpolarizzpe1g gp:fzdq)2 y ,7bd )b/ /nrmz8ypt,hj6aed light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam ) 1bp)dz8:e z/ydy2ap/7n ,q,hgbtgm6f zr jpwith 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 itg4r85fcrk ztf0-mc(y0aoqk 3s 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 piece of glass qatjq6gi(r -. at an angle of g.r qqt6ij-(a$57.3^{\circ}$. 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 t24sosgkn- ; aehrough a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer are atko 2a4-e s;nsg $30.0^{\circ}$ 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 imb(,0rjqgn.xw .bioi5 age reflected in calm water is completely polarizqi(xj ..br 0ni,ogwb 5ed?

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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 analyzee /p,s o6qmul:wx*mb*16thr br. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is thu6lwh /op,* btq b6 r:*xmesm1e 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 fori0u9v vcxh,cn) tz97z :ly+/kl,n ag k light traveling in vacuum and reflecting off a piece of glass of index of refrach )lv+ :x ka,tz9 lu0,nygcvn7/9z kiction 1.48?

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