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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 principl)*4;c;w. lvebzfj y vxe.
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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 stati ku mdzu 5y6,m ,xnt6m-f4o:xement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of light is att* 3 6n386gc9yjcsc7kuo ckmatributed 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 8 p xp+9;im2tz9bvmn zf9qs1 pattributed 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 h6q3+hb x.i ga x8ve4mhj2 n4kljx7k (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), origc:kznjke7 yeo .va/l*6+1qk h inally traveling in air, enters a piece of glass (index o k 7e.ezcnqv1ayl :k/6ohk+j *f 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), origwgm r j)4+o,qoinally traveling in air, enters a ),go4mw r+joqpiece of glass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is respj8fop 5cu 8l6bonsible for light spreading as it passes through a narrow 5j fo6lu8b pc8slit?

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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 l./vz9ic /pw tas buildings, whereas light is not noticeably diffracted. Why is v tcpz/l./i9wthis?

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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 alterny(n y(xj jw7jli 5a0+jating light and dark bands when light passes through two or more naanj 7jwy(5jlix0y(j +rrow 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 saidj5l0poh ;b.e p 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 when we say that two light rays stri ;jya :1ts -cr 3jver/2m+tpcxking a screen are in phase wcr j cvtes t2aj/-;r3+y:x1mpith 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 travel different paths ar8*(xsc zs7s sozz as, sj-k58triving at point P. If the maximum constructive interference is to occuz(7zs c*a-zs s8txs5ss,8koj r at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light tras0 94hon ;ugpcvel different paths arriving at point P. If the maximum destructive interference is to occur at point P, the two beams must c4og;phu09s n

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spot in a double-slim.kng-r a6+u7wv l(xo t experiment, light from each opening arriukwgr.a+n-6mvo( x7 lves

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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 pno8-c npi3p6q)(w ve*plc. ospot in a double-slit experimentoipn3 q*ev.p(c -w8ppc )lo6n , 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 either sideg95;t rh. yyis:ov3x4gg3fv u of the central bright spot in a double-slit eg .39;xvygori3t5fgs 4u : yhvxperiment, 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 scq.-cz3j 6g f8ru0 xtu:;d wtvlit experiment, if the separation between the slits decreases, what happens to the distance betweentuw ;du8 zg c0:x-frqtjv6.3c 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 b l,t q)c7hj( -duiij+vetween adjacent maxima on a remote screen is cqjd7t+v)(hu -ljii, 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent lig zni8/7e0z imonr-y )uzu4 q12jdbbz (ht 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 experiment arrive1 5idam)e9: cr(ci uejs at a point on the screen one-half wavelength behind the wave from the other slit, e i9)irjucdm 1c:a5e(which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain inteisk+*)-cu ur fj 8lme)rference fringes in a double-slit experiment if the seil8cr-fm )s*ejuu+k) paration 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-sli.i:noexdi)3gkl5z( ut interference pattern using mon g :uoilki3n d)5xz(.eochromatic 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 separatenbulc.0x p b68s white light into different colors ipcx ub8 n60lb.s

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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 rs(dq)qzbxo/n* *z)ir ainbow 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 t 2892 6ud y/bp) rpswa7gpvd;lvlcm,ohan 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 calle:s9 vqu4c+j rbm;bnv 4d

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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 wh*y:vawv. w; wmen passing from air to g*.vw vam y;ww:lass?

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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 passi,j 5bq.aes,vz ng from air to gla ,.j5,b qasvzess?

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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 incide6;z wm cx tasto7eb f79*r8i)hnt on a thick glass plate with parallel sides, at an anglezthwo76x;aist8c *97 )rf bme 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 ve8m)+(-lw aj:tm,wh y;u y wivnry distant light source. If she now holds up two fingers, w:(v-yju+wi8lt ha;)ymm,wwn ith a very 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 thk xa6dmcdg2(4js /e7yx.rfmmf 8j 4t5e width of the slit increases, what happens to the width of the central m4mf7df684(d t g je/a sck.2x mjyxr5maximum 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 on-8gbm z):ygdf e has 6000 lines per cm. Make a statement comparing the dispersion of thfg bmz-y:g8 )de 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:uosp0aiaz(+ko a, qj); f3e ipv* 6vd separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic liaiv zip(ejf+as , o: o3pda;*uq6 k)0vght, 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 - 2nonre4) gzqby 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 constructivel-eagi*.rxeevipn 6j) ,k-ecb80u;p ly or destructively, depending on their phase differgnear eilp0b;c8-6x ,veu j-k )pe.* ience. 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-sj.2 yxgh vdy0r-n0n an air boundary, ther-d00yy.- v hgnrxjs 2ne is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in aivtrcq* - wm fejv8hm8xq 79:q(r, is reflected by a glass surface, the8m:e9tfr*m wqx(-qh v8qj 7cvre 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 ix9)bq 4rvofcv10 cx 6becomes very much thinner than the wi4 cv 1bv06c9r)xxqo favelength 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 magnesium fluoride, what is the mik i7aw l*8v9 qem+d(t(hn4gk dnimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for tha(tmdlg8(9q7 keha+ d4 ni*kvwt wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat 8xk2a 0 x8esy;:wal;1y*uu(qdvk tbh 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 thv;dax 8h18s0(k*akuxtu2qy w yl;be:e 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 fouf* 3poz:xmosf2;03c d2u q(ei gb+v vr the fact that certain sunglasses can reduce glare from vc;:32xsfgu e*v(m3oziu pb 0oqd2+ freflected 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 def0,cv/kfmj+ter. 5uph ined 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 dichrobydw:8-ic 6 eqi i(w5aic material like a Polaroidwc-8i d5a6w(b :q iyei film?

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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 each ot jj cwc4ga9 m0jz,fzs k6kv ,3zx+o3p/her, what is the percentage of the incident light 9ow4cvjjgf+mz 3c/z 03kjs, ak, xzp6which 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 of a bc4 u bwfas:cl2.)*melake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunligh-0glh:;wmudn 0j o ni-t 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 following is diffractios25o/p y7riben 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 mo9xt 5am km1h/i, h;ucbre blue toward the zenith (overhead) than it does toward9i5; t1xh ,ha m/mcbku 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 6q7y h ban.(lq:00 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light i(h ayn.lqb:7 qn 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 vacc6+st ;/gyo5h 7l t5qnjvnz60 mt9uwcuum. It passes into glass, which has an index of refraq t9c m/56tnto5vhnc7gs+;6j zywl0uction 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. It pas0 3,s /yapzhb p.kn5abses into glass, which has an index of refraction of 1.50. What is the speed of the light in th0hp/5yba. ,sbk za3npe 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 v-kg:ncessk laiw8 :i4/* wmw7acuum is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550ml6bi7(l1)rlf+ ua c y 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 n73z 3gnva qfronjbi2fjdj4,7:s 7-czm 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. Monochromatic light ,zd52db2 wvowfalls on these slits, and produces a fifth order int vddz2ob 5w,w2erference 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 doub r7wkjha6w69qle-slit and the third order bright fringe is sew aq6w7r9kjh 6en 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 separation between the two slits ichs/mr rj.yh6(:l9pt s 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-order and t /ch6r(lh:p9r jmsy.
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 sepq2eu +;ch qx*zaration 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 centralh eu ;*xcqqz2+ 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. Monochroms(.8lr8p/mua+dr -s t8eogg:5,imk k nzk4jhatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interfe(n/r8mg8., d4:8i-5u tkg+s zosp mhkj lakr erence 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 hasg7tyq*lh )m1o a slit separati*g)1thom7 y qlon 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 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 waveleok: n5vwqhn0njh a+3 8ngths, 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:onvhh w08n q53n+j ak 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 (wavele 7)l0vfhruk/ jngth 480 nm) and red light (wavel70f)l uj hkv/rength 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. What is the an4f9u i .u6ft( ct59q bzkuja(d1(o akxgular width of the central diffrac6 i.q kza f9uu(x4outbdk5(9(afc 1 tjtion peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by light of 550 nv1or gce j;7o9q )x wmpyp.;y,+,vh ntm wavelength. What is the angular separation between the first two mi hrt9+.,pn)vmv,; c 1o7pey jqwo;xgynima 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 78vsg l i,kovr/y 11kris incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe ,1okk8sygi/lr vrv71in the diffraction pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mm wide and the diffr.sfu:d g6j38e )vgx l6t s.bexaction pattern is prodsbv6)u f dj6t8legx..xe:sg3uced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of wi m2* y81xbbuz+ p8:u estljkx7dth 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order da2b: xp8 mubx1 t+yjuz8ekl *7srk 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 nhmn7ol f-n9 -yyz6p4incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of th4lny 7-hfnn-ym9po6z e 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 centimepuk,.l of9f j3y jz(- p- oufwm77dqk0ter, its second order maximum iu3y f (ok,7oj wm7.ukl-dzjp ff-p0 q9s 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 angle ;rd: ub hvi:+xbetween the central maximum and the fourth order maxi+;udhiv r b:x:mum 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 o:jbpzt-gg 7q 9n; fjl,xdeafn ne/50 9n a grating that is 75 mm wide and ruled with 50,000 lines. n:ne5x e dtbn;0lajg/-,9j gpzq f f97The second-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 of 600 nm wavelength produces a first 7.v8ztaa ;q kwz-fh,g3pnv5p -order maximum 0.350 mkpng.7a 3,hwpav8z - z;q tfv5m 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 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 j w;+*e88ptgz,u1 l(itatiancentimeter ruled on it. What is the angular sepaw lt+,jet;u1at pz i i8g(n*8aration between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light 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 hamue7(3e1e aqt egv**h m1fg)(o6y rmos 2000 lines per centimetm e) gyg rfoe7*11tqamo6uvh*e( (3em er, at what angle will red light (640 nm) 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 calibrate a gratineu4 o )zgso +0)umabv)g. If the first-order maximum occurz)4)sa 0guu )bmveoo +s 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 incidenjm xhp h5p2.kp 5jksbd-(43umt normally on a grating. If the third-order maximum of the diffraction pattern is observed p3kx h.-pdum b4khjm5jp (s52at $32.0^{\circ}$, 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 norm7x4gevtn:9togwi 2/ c9 fkw0 fally on a grating. If the third-order maximum of the diffraction pattern is observedwn v :92 gewfk0ottcg/x97fi4 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 sepa:q6pvwy+z f9hrated from another glass plate at one end by a strand of s y69vpfq+whz: omeone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.3 j* dmmg x: bf4j:1h1 6.qhur,l6kgkjt3. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength l .j uqt,1lkh 1x64 :rmfhgjjbd6mg*k:ight?

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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 filmh9 ;,vu gyg/gd ( n = 1.33). What is the minimum thickness of film thav gh/y,;ugdg9t 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 thickness5 ipv4 7f9szwu of a nonreflecting film coating (n = 1.30) on a glass lens (9vi4wsp z fu57n = 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 unpolarizel0hqqi -btu07o*ir ,ys3k zh1d light and the intensity of the transmitted light is 1. A second ideal pshq y-01 rtb0kuqhi,z*l 7oi3olarizer 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 v x8g 1 l(wznt7g*c ;s1-gzpobpreferred 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 )q6 ;j1grgbplof glass at an angle of glj 1r6q; g)pb$57.3^{\circ}$. If the reflected beam is completely polarized, what is the index of refraction of the glass?

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88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Unpolarized light is passed through a polarizer-analyzer combination. The trex admg: 8cb10h 6zg9hansmmdz91b:h 6a h8gg c0xeission axes of the polarizer and the analyzer 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(c sel(0-ge a4twh2z f when its image reflected in calm water is g2ce (f4t wa0(sh ez-lcompletely 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 through a polarizer and then an anapb9, /-,p ijaaw4cvqd - zf3unlyzer. In this process, the intensity of the light transmitted is reduced to 10% of thzb/ wca-vi34n- d,9 pfuqap ,je intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacuum and r+t.q+3d i wv9c9zgsr yeflecting off a piece 3 yv+9s+.gc tdz ir9qwof glass of index of refraction 1.48?

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