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习题练习:Physics Unit24: Wave Nature of Light



 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 principl+szlv7im pi9*8*vah ) k4qr hke.
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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 statemenax48: )-lwzovu)kmji t?

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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 isz l o6kv508bct 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 ligxltnn ytw 2 3-zb2dm:qg 82+pjht 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 o nb8,eybixi9-f different 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 t+gmv z n8:of4 9*zrohpraveling in air, enters a g8o9pm4 vnof:*h z+r zpiece 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),z pkrn m +0tlp( 8yz;xmiw3o/ex :c+;u originally traveling in air, enters a piece of glass (index of refractionzyr m;l0k mxetx u+pw(i8/+o :c3npz; 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 thutwq651+l.( /wej i knhv oqj9rough a narrow sliteo nu65 t+(ivhjj1 kwq9/wq.l?

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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 ob7gmarp+vmt 5/jects such as buildings, whereas light is not noticeably diffracted. Why artp7m/+g 5mv 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 p/fs qppm)+la93tu 1,,g 0 arkck4-wguuxzp r:asses through two or moregk+mpwsg x /ku ,c 4 1,pz9utp0qur)-ar l:fa3 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 dn,2qkt(, yq fshh3 (4 g eawr-x+hjs+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 when we say that two light rays st1y a4.ubwgyt7riking a screen are in phase wi 1t bwgya7y.4uth each 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 tgj:(o - zx*kmqravel different paths arriving at point P. If the maximum constructive interference is to occur at poio-*jkmx g: (qznt 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 travel different paths arriving; my l:h2toufiwx6:21tg8 f ue at point P. If the maximum destructive interference is to occur at point P, the two beams must8el fx:1u6 oyf uh2tw:g2m ;it

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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 l83 ls9dgov3u/p ft4 won either side of the central bright spot in a double-slit experiment, light from eap gfdvt8ll/ ow3u3s94 ch 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 central bright spot in am.mw f zc n8-cb6/q4yu double-slit experiment, light from cb4u/6fcwz-n8qm.y m 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 altrukw -l;m-w w)c*; spot in a double-slit experiment, light frowamt ; lkl-c;ww)*r-um

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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 ex/rg-,dhd)f x2hdzp/2 juojapqf 01 k )periment, if the separation between the slits decreases, what hap aud) qh/) jx/g2rfddj2ohk z,ppf1-0 pens 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 experiment, it is observed that the distance between 1s:(ws+sb gbmxv yo o42.fm1t adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent max(om1ob.sg xy 4stsw1v :bf2m+ima 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 lwh u5 36yq 4zcen,y oq3-kkxj.ight 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 double slit e, .igoikb iz*2xperiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed atkgbo .2*izi ,i 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 interferm(6x)u 5abhf tence fringes in a double-slit experiment if t fmxh5a()tu 6bhe 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 interference pattern us7+hvwgbiqu8qiw s*0 -ah2:vt ing monochromati v:sgi-q 7huh q+0ww 2ivta*b8c 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 whfv ,ei8fn8 u*8zj z0tjite light into different coz 8ej ,u8*8fz0tnfv jilors 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 allo+w0 zoy2(bs cows a 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 nm is o6b9ywzxu ky s1r:t9, 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 thany *; iofenog/)uq1f9 y(zta,w 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refraction when passing from a1qz7pm, q/ 1zudl 2jjrir to q12 7q,rzm ljup1/ jzdglass?

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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 smalle.zn- xq)h/4l6dk9lsaka2xo ast refraction when passing from air to glasx-2. k6sqhdzxakaola/) 4 l9 ns?

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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 incidevrtw4l37w- hy 4;kikont on a thick glass plate with parallel sides, at an angle betweehkwoi443t wkv7;yl r-n $0^{\circ}$ 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 lihuuqtri 36z., ght source. If she now holds up two fingers, with a vqiruz.63hu , tery 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 experimentgu9zj(h-m d c., if the width of the slit increases, what happens to the width of thec9z jmd(hg -u. 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 and the other one h hwpe 4(r6d)pp n+od5oas 6000 lines per cm. Make a statemenop) ddw+4h n6pope( r5t 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 sepl*xsm8 . mh2wyaration, the only difference being that one grating has 3 slits and the other 4 slits. mx h8my*2.lws 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 (/1 f1 tqkbvxmby 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 interfere constructivelyw7+jzel+ jeo : or destructively, depending on their phase difference. One conseq:j+ e 7zwe+jlouence 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 an h+q t- 0hbn/ gjz;9gjj:c6gez*sgqc1 air boundary, there :z j jze;0 9+6gs-*gcq/hcj qhbgg1tnis

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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 glass surf13+ cyog; /- csaxy jby2,wzkyace,;ox+/bs3c -yajwyk2 yz ,cy1 g there 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 lightw7 n /p)qfkll nt0*zr.. As the film becomes very much thinner than the wavelength of blue l*/rnt 7 q)zw p.fn0lklight, 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, what is the3z66 senz3l g+n-uc)/qfc p hp minimum thickness of magnesium fl6pcf - n3+negzsh3u/6zcp )qluoride 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 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 dh(c 4slfoa;)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 are in dir)4coahdl( f; sect 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 reduce gzc:hx9/zadh, 9 6 fzgdlare from reflectefhxc/9hg:zdzz,a d6 9 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, the direction of polarization z)jo ri/dxh7rf/g5 m/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 difg1kgd i7z3h +chroic material like a Polaroid fil+fgih 1 k3gz7dm?

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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 zhh 3 b4,6j 09z r9c;pxqamhjaarh1 8eperpendicular to each other, what is the percentage z8qx9a3 ebh,1 ap4 rmrh9jj zhha0c6; of 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 surfan 75k4f*d mlnbkaar -ig2 l,7m(r.eg kce 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 grtfl8kr(z.w k+jicv l4/oj-9n eatest 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 N1j 1zo 20ntt; c;om kt11fhexuOT 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 o+cpok 4(xfo+l+ p8e wto be more blue toward the zenith (overhead) than it does towarp +e+ 84pkof+x(clw ood the horizon. This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into gl + lwt7y0wk8kb y8gsrx3u;9 zcass, which has an index of refraction ofb 9t78 kyx rcuwz8;l03kysg+w 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. It passes into glasz6gk /6vzkb (l(0fl8 ttun0 fms, which has an ind0f6b m nul/fl6t(zz(vkkt8g0ex of refraction of 1.50. What is the 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. j9cre 8q;j6j p(mh7u8m.bxq u It passes into glass, which has an index of refraction of 1.50. What iscjr qb9p7juq(j6xhu8 e ;m.8m 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 tom2 )j3-3x*v1 s fbk 4uwfi8b2dakgp f k4e-qcq 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 ij5:fig52 -f9jcthm ufn 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 found to t4jxui: u,o0sg, g:g uuravel 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.-cvl i mpng/ da-ki.q6,w;,zw00 mm apart. Monochromatic light falls on these slits, and produces a fifth order-gwd 6qni .a wkzc ;v,li/mp-, 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 nej6o2x;ywvx ;u2 n)vkm falls on a double-slit and the third order bright fringv2 6 kjxvxouny;e) 2w;e is 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 the -2psvc oql:c+ydr 3 b* t76zznseparation between the two slits is 0.050 mm and the distance frnp+2o7q z6vrl*t zcc y db-s:3om the slits to a screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the swexl13/a,nwnu eo*glf; -+ 4v3vo l fllit separation is 2.0 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 a bright fringe from one pattern first coincide with a bright fringe from the loegovu; nl ff1wne,a43l3- +w */lxvother?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light ofd wkmnhh+ d 8/36st0vy wavelength 634 nm falls on the slits. If there is ad m+h/h8st kwy6n vd30 screen 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 incidx:chqoc9yal)u vbfkk30)hx 7-a ( q 8kent on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on3-qy:ba)c av() h9f78 lho xk0xkcukq 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 ei7e trn+52af 73ww )rozeof8e/z+hz containing two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of 8iz5 eee7a3 /+wz2f)e +hnf7wozrrot refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 48 g/o3osjxkym o8)1k,gl9xuj6 64q amd0 nm) and red light (wavelength 670 nm) is inci xu)kg,663d sok1qaom9j48yl x /g jmodent 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 agysodn m x6.j(6tuu6fp3/rc4 single slit of width 0.20 mm. What is the angular width of the central diffraction peg6so yj mu6 pcfu6x3.r4n/(dtak?

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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 illum-fd. m3fngd7ao+(+fwe2/s lcg4hyzpinated by light of 550 nm wavelength. What is thcgzf.mnwo( d 2-p ey l/ 7dashf4+3+gfe 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 nm is incident on a single slit 0.75 mm wide. At what h nr+y d+,c4cmdistance from the slit shccr+h4+, nm dyould 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 slit 0.20 mm wide and.n + fq ok985mvw -mc7dri4hgz the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central maxihv5rw.mo4d-n9fzqkm +7 ic8 g mum?

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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 skip( (r4kzvb-xj uw90 lit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the z9b p4wkvk((r x uij0-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 kq8o;z+ww f- ;7ppc3h+qmpera slit of width 0.300 mm. An observing screen is placed 2.00 m fr p;78r f+cm;qhqe-wk w3pp+ozom the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7 o 2d)ic g5(iv348deo1gpkzn d000 lines per centimeter, its second order maximum is8i ped1iv dc3n2k)45oz g( dgo 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.ku9-xxs6e+ef* pnl nwui dh 0;6ym9 .j The angle between the central maximumsuh- 9enxd.u+60 nl9;je py6 *iwkxfm and 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 incident on ay4wg799y ;tk hwj9gen grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximw7 4 nky jge9;9whtg9yum 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 6 tt)bb z a69gx)ow0dac 2eom;600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromati2t)ec a 6d0)9a;mzo bb6t owgxc 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 peh,)zao fe v)s,jcv) 0ts/yc4w wpr3y9 r centimeter ruled on it. What is the angular separation between the second and the third orders on the s)jw/ cy 0v)pshy)cwes9 tf,,az3v4or ame 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 gr7dqw9--a2yml w+h ,hbs;0vkabjivi 0ating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear j+s, bwdma l ;2b v90h7kqvay-iiw0h-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 calibrate a grating. Ida weh4k3z7tr6 4fo -if the first-order maximum occurs a 47 -eharowk6 4tifd3zt $20.5^{\circ}$, 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 lyhyk+:tp.. j (afc. lof wavelength 500 nm is incident normally on a grating. If the th .kly .t +(haljp.ycf:ird-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 ufl d5llvo))lur; 9.iwavelength 500 nm is incident normally on a grating. If the third-ordel9 .lor )uld)uflvi5 ;r maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glass plate at aeyu-jsn6i17 liv- zez8q6 0xone end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when vz6izy a vx-qi 70j8e6ns-1leuiewed 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 o0ye -2dh9yl gkam+yn-f refraction of 1.33. What minimum thickness of this bubble will en- d2 yg ma+0enyk-9ylhsure maximum reflectance 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 the mi nseujs54-fp;nifsj-ep sn;u54mum 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 nonreflecting film coati i/2pglpv y 104llz7nyng (n = 1.30) on a glas2n1/v4yz0lpgly pi7 ls 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 unpolar f9oob lxic,+h5ag)12)x)px-y nizljized light and the intensity of the colg, fhl2 xzx)-i1op)x 9yai jn5b)+transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred direction:* y:3oyok6f;c qhpyp qi0eh1 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 -yu6te gw yl6skmn (-xg 0jcc9q .) 5u;icjn3zpiece of glass at an angle of suql6kniwjtcy 0nm ccz(.g;9g 5x-j)y63u - e $57.3^{\circ}$. 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 combinati7( vt iemc:7tra1 6wiv jlq5v3on. The transmission axes of the polarizer and the an r6wi75m3jc1i:7t t vvq(vleaalyzer 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 wfnb;m-w d26lcater is completem b6c-;2lfw ndly polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes throug qmr,.fe;)ldm (moxb 4h a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity i4f. m b;moxd )(mrel,qncident 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 traveling in vacuum and eh,ol5/t 1z6i8v xk dmgn0;vq reflecting off a piece of glass of index of refracti0o nq8xe 1l6g tk5iv/dv,;mhzon 1.48?

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