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习题练习：Physics Unit24: Wave Nature of Light
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 作者: admin  发布日期: 2022-08-28 11:19    总分: 91分  得分: _____________

答题人: 游客未登录  开始时间: 22年08月28日 11:19  切换到: 整卷模式

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's princw:cq,qq2bvx *iple.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followi) se2 zqf*lgi :f:ran9ng 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 x.uor/ 4hp m;..*h,xkgttsidis 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 lix.4lofl g8dkr)l ( /.1wq ixzlght 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 d 4d-ezk*t3ah uifferent 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) 0cajd(m hrd+j)mt: nr:pi,9b, originally traveling in air, enters a piece of glass djhr:9bma r:mi,pd)+n (jt 0c(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), origin4,+s:r wc llvpqs k*vmv3vyob:2l) .g ally traveling in air, enters a piece of glass (il*vcqy.l 43):kvm ws v,b s: gopl2rv+ndex 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 passes thrms zon :q2p3kd/2dfvt1 k.oz-ough a narrow -3f . d :1s2/p o2zqdvtmknzokslit?

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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 build(jc,fo7k/ w 9qa*22kcxb kkjfw5opy.ings, whereas light is not noticeably diffract2.2wfco9pqkko a*bk,f7jycw jxk/5 (ed. 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 aw v7n0ghw(7wand dark bands when light pas(g07h wv nw7awses through 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+bw bb2()z cpnev4q-srl4 j6f to be coherent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean whenb,+ad.wqp7yio fo6/m we say that two light rays striking a screen are in phase with eac.byof,a mipd w /qo76+h 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 differ9ay8 zx12 mpvwent paths arriving at point P. If the maximum constructiv9p8wymv1az x2 e 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 qpqzay,ow(aua xsdy5-): 7s:i5dn1bm56 u urlight travel different paths arriving at point P. If the maximum destructive interfer-w7y y so(udqx55du1apm isnq::u5 z6ab,a ) rence 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 thee g19jf;1: , onqkarbr central bright spot in a double-slit experiment, qfn9rb: 1j1krae o,;glight 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 eith : 0ubu,n,b)d kk*bfrmer side of the central bright spot in a double-slit experiment, light from each openibbku:mb )f 0du *,nrk,ng 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 ofx5 dp( me5fii wgqc1.0tw,al9 the central bright spot in a double-slit experimentpwa0d.9 1mi5lxcg f(w,te5iq , 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,2pscfumc37 b . if the separation between the slits decreases, what happens to the distance between the interferencb.fu c23pscm 7e fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it 3:pm pr za31dwis observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent paw1 3dm:r3zpmaxima 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 ai7cr4i+ *7 nw5sormi 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 arrivezan 4 gw+a i15xkt-4bls at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that point?1 aw+-a5btln 44ix kzg

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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 i3r w/mpdj3hz;x3wm w (n a double-slit experiment if the separation of the slitswrj3wpzh3xd 3wm; (/m 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 doub *oc0awgcay7 .le-slit interference pattern using monochromatcgaa*.w oyc 07ic 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 separat i.z4)t beu72lddbg6q42frayes white light into different colors isgt2zd) ib b. 4 u2y6dlr4fe7aq

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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 j *95 k3wvq03pvaqytfhkb b6,rainbow to form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than 400 nvwmj ue,,na32m 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 slig .i,dy (h5p5a7e;nys0xau jy phtly 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 htor8gk0,;i0 h8jfd pe-i 0usthe greatest refraction when passing from air to gla;rh e pjo usk8 itg0if8h,d00-ss?

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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 wc vf5y7 vkiibym8ss29-d(g g2hen passing from air to gliiv gs579-y2 bcf(sk2g8dymv ass?

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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 isl+9o(f x3qf(mgumt 6c incident on a thick glass plate with parallel sides, at an angleflf(uotm( 9 m3cx+q 6g 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 sh2a(1y9 mt( x vvf;bnope now holds up two fingers, with a very small gap be((1nyvt x;o9ma bp2vftween 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 experime: h.fqj+h (2,nufi;ldnmxa0wy; t;svnt, if the width of the slit increases, what happens h ;(2t0+q;i.as f;u,h jdlxyvm n:nfw to the width of the 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 cmqxj,bpix(f0jr /:-caob09 eo and the other one has 6000 lines per cm. 0 rjx-ex 09b,/:ofapj cbioq ( Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit sepa om0gpbgox- 2 sywf.58ration, the only difference being that one grating has 3 slits and the other2gxbms. g o8p5fy- 0wo 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 caused by refl2zy qyt8woz))pi;irv2 )(ai hection 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 interfereder*:yh 2e9za83 14azex stva constructively or destructively, depending ahdarex9 2y e:8za3szv4 t*e1on 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 travelnq65u6q)vi1cdip ;i)iy ck g )ing in glass, strikes an air boundary, there )id p6)1uii cy;i)kq n5gcq v6is

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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 re lp2i-bor)740 xfdb8teri 5u yflected by a glass surface, th2b i) x7f e8ub0-lyi4r5tropdere 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. vy cns7;6t:r alg,zi /rb;4 7;dzcqp m As the film becomes very much thinner than the wavelength of brb:lp zq;cry ni; 7/d7 ;cta,vsgz46 mlue 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 fluoride, whatn e+:g+)csj1 ,3 bvo fp r02od3zsmtem is the minimum thickness of magnesium fluoride cod 3m+:21sb3)mez e pnoc ,+fosvt0 gjrating 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 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 placgo9k m*1jb , k0t6wo5 rtx/(ibxisz +red on a flat glass plate 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 a 95bkwbz+i i srxtg60/,m(o1tjxo kr *re 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 certain sunglasses can re dr* lwb0zp)z2w*jy7eeccb 3* duce glare fr d*l3e b7*cjb)pyww 2*ze0c zrom reflected surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarization is defined ast0 h,u(o.g ozj

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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 i*e egk,is*gi6 n a dichroic material like a Polaroid kg6*,*ei gisefilm?

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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 perpendicular to each40 kaf0slu9yh+sh.m -m ogg m( other, what is the percentage of the incident light09m.- homsl+g 40yhmg(s kufa 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 o7.rv d5l l.oa+n,puzfhs v nj 8k*.o5cf 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 sun1ln,u3x ruw*ce+kt.t light 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 followincdc pw;wbl* 7;g 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+pu dmzyt4;,z zenith (overhead) than it does toward the horizon. This otdu+ 4pzy,m;z ccurs 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. I,j5d(bhf + 8ah5ij dq fi10eazt passes into glass, which has an index of refraction of 0fif1,z a8d5jaji5bd +ehqh( 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. I08rhx it2:7 x7 brvalyulxd.,t passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside the gl8h7trx.dalv7x:br 0y li2, x uass?

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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 i djuk+:cobuv2yv*i*tu z1 ;p)n a vacuum. It passes into glass, which has an index of refr vvpc)*ud;j*:y 2 b+itkozu 1uaction 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 isj bsiq ;0hhr7qibatp 0e5 2s:) 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 55qf14 .gcpq12pq t e/;da khzi40 nm in air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is fouvn5 6awc ny6p,x.pcb- unx4: yq ;e*zjg;hkl;nd 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. Monochromati8 fjfcg4mzf: /c light falls on these slits, and produces a fifth order interfere c8mfzff:/j4 gnce 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 double-slitq7xd.h 1 fvz;8axg6h s and the third order bright fringe i; h1x8v7dhx .s6fgqz as seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if themc;1mq d2 xqhs( g72zc separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2g2d (xh21 cmcz7 qmsq;.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 separatqiyosc xh l 68h1(y6s;ion is 2.0 mm, and two wavelengths, 750 nm and 91ysocisqh6( h;8y l6x 00 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?

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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 apl9cki/(ne+x( q61 xtlqhod1 gart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent i(xic( +6o 1kd/g hx e1qlltq9nnterference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's double slit setup that has a sl,* -o5dqhenp qit 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 between the third-order , -qq*podhen5 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 wavelea9a1kvs:).7wiweg cf(q 0wh fw0jem : ngths, 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 1.483wj: amewf( es .w)v1ih0 a9f:w g7qk0c0 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) and red light (wavem (ey()j2 ml;thj.u29ay ka:-lxe i*3 cermka length 670 nm) is incideti l;((ae*emmm) c9rj3:e xa. 2yl 2-ha kkuyjnt 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. What is the angula,/)p9z5a6i-7faws 7m tad6 q gcauifxr width of the central diffraction peak?xa-saa7mpd, /wu6f ztiq)a i9g6 c f57

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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 nm wave:,ql v jbs*g( u-rg6w arjzd,)6,s vgulength. What is the angular separation between the first two mzj6uq (d-g ju la,sw, *rg)r6v:s,bvginima 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 nm7.fnm n,-l 3p13s ecquye*oeb is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen bec u1ebn3fs qy*7- enpol,m e.3 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 6c mt,bkm,zr 4and the diffraction pattern is produced on a screen that is 1.5 m from tm ,r,c4 zkbtm6he 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 mnkl,o1ayq .4on a slit of width 0.300 mm. An observing screen is placed mn1y4 laq.k,o 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 0.300 mm. An observi -:j1frtun0n3c+kco: p(kl hbng screen is placed 2.00 m from the sl:f0nb(-hukn1lp 3t c+o:j kcrit. 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, i9u9*x7jjak+o 5 cvuj jts second order maximum is at j*x uck599jua+jo7vj$62.4^{\circ}$. 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. Th8g,b t)i;bw 98goji jke angle between the central maximum and t,tjgk )oibg9i8 b8;wjhe 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 incident on a grzn-.wm h6/9oo1 qlsn mating that is 75 mm wide and ruled with 50,000 lines. The second-ordmwslozm/o n 6q9n1h-.er 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 wavelength produc-z(h0gk js ge/2,g2 qpx qv2zyes 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 yxkjg 22-p0h,/( vggzzq es2qthe 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 6000cwvz+5+5fq l f wk+wzyam,80f lines per centimeter ruled on it. What is the angular separation bet+0lzk fza5,ycm vwfw+85+wq f ween 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 grating. If the grating hakvnor7; xk ) p5buxyng3 f9u.5s 2000 lines per centimeter, at what angle will red light (640 nm) appear in the fg;)f v5un o kxpy rnu37bk5.x9irst order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate a grating. If the first-order mal m7/87l:i(nru crwz o.)m kdd5jzb; xximum occurs l ld)x7/ j;8dr krmiczmo: nwbu(z.75at $20.5^{\circ}$, 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 normacvd9jx,,wta7v6wjw )y (pl /clly on a grating. If the third-order maximum ojcjwl xw6y, 7d/cp t,)9awv v(f 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 oflkt55au e b-vq/n13x r wavelength 500 nm is incident normally on a grating. If the third-order 1k55 tvu3 ba xl-eq/rnmaximum 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 anotherg kl eeve:/j -oqk;e95 glass plate 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 k9q-vge/e : e;elo5 jklight 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 ofp.af-b/ys7v7sopr8ev 9wyjq; q+9g o 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normo+7-.y9wregj7qbpq ; ps av/v9 fyos8ally 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 m6mjwqp (z9 zcm av-ha(--a7fr;y+e d a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normal(jaqf;mv7pc-mem a (d-6+ -a wzy h9zrly 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 nonrefle6iq4ne (8ypo mcting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 50n(p4y m6 8eiqo0 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 uablo4d 21e5xmt2l-v de8ehs9jy. c8rr: .u ginpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction r-5cj 8lvxe1esu9hydo :rriet g..mb8al42 2 dotated $40^{\circ}$ 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)-n4tp rfn04 uoo(pou 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 ar(( ijunxo7h0 palul t42 */lpiece of glass at an angle of 7ptrnj( a2u4i(llu / lh0axo *$57.3^{\circ}$. 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 polfrv z1bu:q x7;s0d ,liarizer-analyzer combination. The transmission axes of the polarizer and the anaurfv x701 i d;:lsq,zblyzer 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 in calm wra+ * )3rx7jgddbgmiu 7zfu3, ater is completelyrj ub3 dfu,*adr)+3gzgx7mi 7 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 passe0afv9z3 h g,xipei5 2ws through a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on ipiwz, v5a3 9geh02 xfthe analyzer. What is the angle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in y m,(h*pv, m-q*tuo bqvacuum and reflecting off a piece of glass of in mb q*p,v*qh mu,t-yo(dex of refraction 1.48?

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