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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 principls5wg l-z*5, v4z eam8uu7k wzqe.
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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 falsn5lv8 guof b(3e 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 is atl+wm :o ,7 eznaq:m-ottributed 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 lightf93-8wktuwyq4 fy+ou is attributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of different opb(o e*0i:9y p, zk5pq pani7cbtical 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), o)/ p4t hl a,7y+cys,e g*nzb(peah gn;riginally traveling in air, enters a piece of glass (index of refraction 1.50),ngt,7n l;ae)ps4gyb+p,c y*eaz /( hh 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 (wavelengted,t9s6/ lxsc 1bx 8)enx0 ylbh = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), ilcxs xe9ty1)8d bsb0nl6x/, ets 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 lighttw1; rb -k 5i(gmbjv7f spreading as it passes through a narrow kbmgi;tr(f w5 vb- 17jslit?

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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 buildings, w/u rjpm7gpz g*,lwm(- hereas light is not wpm gz lg*u/(m-7j ,rpnoticeably diffracted. 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 alctty7t7 +w: 5 g*fehltd :5 vsw im9)os;ets3zternating light and dark bands when light pasot ts73et9;e5i:+w yvcm*w:fd h tzl 57sts)gses 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 to be coig i/83z fho(*yohx,yy 4bxf*herent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say that two light rays striking a 65 ,t0e39utgefuljf q screen are in phase wef6fu 50u9q3e,tj lgt ith 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 trave8g4 z ltxap)op yqxi 2y34js3,l different paths arriving at point P. If the maximum constructive interference is to occur at point P, t 4ax)gy2j zxqpto3il84s yp3, he 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 at point P. If thy,1 e 2d +dhp +ipwueagl/tm91e maximum destructive interference is to occur at point P, the two beams mump+ed+12 eghy/wt i 1a9, ldupst

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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 ox;39z lfqi b rcew,7fk2m8: ckn either side of the central bright spot in a double-slit experiment, light from each openi9:r,7iwk zfk3cq8 fl; xbm 2ecng 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 nc 9pqz(;/p euin a double-slit experiment, ligh/n;u qcp9(zep t 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 oyez 9, ko:*amcn either side of the central bright spot in a double-slit experiment,yek9azomc: * , 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 experidk:jmthl3:bhrm 9n7.g .fe u -ment, if the separation between the slits decreases, wh:7efrk . l.dhjt: u9ghbmn3 -mat happens to the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it ist b6wy.; *)zb,nhhvya observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distanchyh*yvb ),t;z.an6wb e 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 lix.tybk xl0cp4ywly;qcgio m 8 ;5p:-9 ght 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 a 8+7kgm5ynb qwrrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that pg5 q7wnymb+ k8oint?

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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 in a double-slit i2u6(mlk8; ov:v6 c vx yguqeve1+q4lexperiment if the separation of the slits is 162 c64m oeug:q8leq (y+v ;vivvxuklless 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 maxim/*5lfo9a1o/l2 j goyb obq o,ta in a double-slit interference pattern using monocg,*bo/atjl2 q bofo yol5o19 /hromatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white light zm , e25sx+k7u pu;m pobx5o7uinto different colors 7m 2 sbxko;p5uux 5um,e7zop+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 allows2yj lc.l*hyp3gsh/2 g.g0rc( t 8, k1mnzf avb 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 n )r2:sji9sx7-mt bj 9m8s lrzis called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelengthcxvky0 ,9a4gev g6ih4 slightly 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 the greatest refraction whexcs9prwuh74 g x(.c *rn passing from air to glas4rx cr(sp 7g*.9xuhwc s?

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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 ))s9boqy2dw e passing from air to glasd9wqos 2ye))bs?

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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+0jtb5k 0vae v is incident on a thick glass plate with parallel sides, at an angle between0 e0k+a5jtbvv $0^{\circ}$ 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 lighmuuo/r84*2h. hkptq c t source. If she now holds up two fingers, with a very small gahpu*rt mhocq2 4/ .ku8p between them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width p;rd25 p3qatv:0nb tlz v1 hz)of the slit increases, what happens to the width of the central maxim p50 vbq2nthda 3tlp;z:)vz1rum 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 3yc*,*bhmugich65g e gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statementg5c6 giu*c, b 3yhhm*e 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 slitvfiuz ,n39+gm 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 light, make a statement concerning the separation between thni g+f3u,zm9 ve 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 8dq xsvu;scomiil*+1e: (3/gz r k4il are caused by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere constru0w e6b kfi8 eezla4u /*tm6j9pctively or destructivelyz*ma 8/e9uee46j6w0b lpfi kt , depending on 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 traveling in glass, strwqx iriuqwru8:tw.-- 01lc pk,d* ) ppikes an air boundary, there irk cw1-xp-. riu q:8pp)i *qwt,wdu l0s

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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 surface8wvj d)mjjw ,v23 -*qxiuoa.s, there is2xwsj*-,dv j m o8)viaj3.wq u

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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 being9h)zbw8bvsxdk50g b5 viewed in white light. As the film becomes very much thinner than the wavelength of z8 hv bk x95dw)b50sgbblue 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 waveln.z3w gnq*5 g/deyvi7ength of light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index ofiqvgd/ewn*5g. z 7yn3 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 glass plate and illumina* o hey7bwv/:b ys(cl d;h9k6-f3s 6ub-mcqw ited from above with monochromatic red light. When viewed from above, concentric bands of red and wkohfeuyi b /hb:c63 *y- 6;7v wqbd s(s9-mlcdark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain sucv+bg5c r-*2ugfy-wx )m 4. polaw j9mnglasses can reduce glare from reflecrma- wu5 j fpo)g*wc+2v4bgy- mx9lc.ted 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, /3j-;zdiusxm tdou b)4yx51 hwdeb+1the direction of polarization 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 tu -mi:rw;pu , lsaw3;ro obtain polarized light in a dichroic material like a Polaroid film?;- w m:u,;wl3ruasirp

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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 fi2m 0two/o/ t7ytc8yv csqy f:4lms are perpendicular to each other, what is the percentage of the incident light which will pass the two fitotcyy 7qm0/s 2 fc/yw:vot48lms?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected fn4y z kj4qp9kgps06c -x s7mu-rom the 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 gg ew o;,yx:o.qreatest 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 er1 bn8oyk)x 1v91foa sxhibited?

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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 qpc, c lqpbs) :8.fty;sky appears to be more blue toward the zenith (overhead) than it does toward the horizon. This occurs beca qcb8c ;,)qplyps .:tfuse

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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 wavelengtu2jo p1a z93cj0h+j :p5yiuevh of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelengthcp2jie30vjuo jay5:p1z +9u h 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 glfpux 7xq. 1jng7u y:9uass, which has an index of refraction of 1.50. What is the frequency of the light inside the g1upn9.fu7xuqy:7jx 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 passes into glass, which haau 0q c7l g hu m*5pwrm2y;jnj4.:kvo;s an index of*y .:j;5h;mglm0k w un2rucqap7 jvo4 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 va tl;s gebm5w (3.e )hljsj,b0rcuum 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 550 nm in air is fohe)gnn7r 09tpg ht)k g4b8s:vund 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 tsd 9 *u.ipd5tnm 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. Monochjh0icy0s:p: 8 4* o4pja wtqedromatic light falls on these slits, and produces a fifth order interference fringe at an angle j pswdij4a00te phyo:*c 4: q8of $32.3^{\circ}$. 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 o1u4cr zy ++nzlfo:zd(n a double-slit and the third order bright fringe is s(zn1l udyr +zfc:+ o4zeen 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 sbm95ow:9pn vveparation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, finbm9wvnv:o5p 9 d 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, and two wavelengd r;1qfp)p+ly ths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m fro) +l1dpq f;prym 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 apart. Monochromaticip daku7*q ql;9 wd)h3 light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringepu)h* 7iq;9lkdwaqd 3s?

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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 hifjbzhmz- 3 h dj4-)gg (xg-b)as a slit 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 s)hgbdzi --3j gx gh- 4mb)(zfjeparation 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 wavelengths, 480 nm and 7.zdl i6q4nb-q 00 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 zq.dqib6- l n4and 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 ligxkfv6 xm66i z (;wpn kgzvd5/l3 cj0s-ht (wavelength 480 nm) and red light (wavelength 670 nm) sl kk; (v6i x6zpj cm/x06g53wzvnf-dis 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+;qkuc9)lj b4tvk; ix a single slit of width 0.20 mm. What is the angular width of the cenxkc qvb j)k4ul;;9it+tral diffraction 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, whichojw y.ywmv6 p/h) w/*ys5;orf8f x4 ie is 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 the central m/4y;6hioj*w)ymf powe.yv s/ w58 fxraximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength k4;x 16/aopf s80 ogr0 vkbjcc687 nm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed ifc vs/x 1ro8c pj0k;afb460okg 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 *q/t th zob+l9incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screeo9 t*+ blhzt/qn 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 width 0.300 mm. An ob-yohg63 t+g lble9 z*cserving screen is placed 2.00 zg-+ho*9cgey lt36 blm 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 observo vz3 ljl3x+w-ing screen is placed 2.00 m jw3l+vx o3zl- from 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 gra -vje bbea wtd9r8koa 8sjp;//29ujy 3ting with 7000 lines per centimeter, its second order maxs-a/bjyjwp2a9/ok v e j;u3tbre8 98dimum 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 angle be gvl(8i1q 4hw1:oc wijq.0ctttween the central maximum and the80 oict:(w1cgw1lq4 i. vhj qt 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 grating that is 75 mm wide and ruled wb .rj ihcd)ytr+i z9 gz 9pt)lb+il+72ith 50,000 lines. The seco+rzt9) b jr gc+li)+pthzy97i2idbl.nd-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 wave2 p/nhm+4qocxfl - 6nmlength produces a first-order maximum 0.350 mm from the central maximum on a distant screenpnmf +6/4xc lnmq2 -ho. 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 hask3)wu(h*hk hb+tc2 m)3odzbv 6000 lines per centimeter ruled on it. What is the angular separation betdm3ch )b)k (o*3w bh hu2+kztvween 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 int1oilfwb*a )v4vc4t l 1o spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will r*l)4tvla w1 cb4 vfio1ed 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 grating. If the first oi y5y),(q, w6ykvhbl-order maximum occurs 5hky l6,(iybq,vw o y)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 ng:z): 2pthpz5y gyg(nm is incident normally on a grating. If the third-order maximum of the diffracg yg)n:5yh(2:zptzg p tion 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 incibfinj* *)(r wqw2g+2pfojp :qdent normally on a grating. If the third-order maximum of the diffraction pattern is obseqiqb wn)2** 2+opfg(:pfjj wrrved 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 sepg1 ,,btly bk hdd t4pr*gj/o6;arated from another glass plate at one end by a stran ;1tt 6jhb,gg ,ydl4*r dbkpo/d of someone'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 1.33. Wha8t ax(2mdp0 wrt minimum thickness of this bubble will ensure maximt0ap 8(xwd2mr um 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 soap0ys pd6xp1g:jb fo)hj:r /yq2 film ( n = 1.33). What is the minimum thickness of film thb: yp6dph) :y10f /jrjoqx gs2at 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 nonw2 n-rc)m-rs zreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 - wzsmc 2n)-rrnm?

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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 unpolarized light04:wdl vc,gg x-y l7a ijznq9; *wkz2f and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred dzg04:jlxkfc-,7gdz yi* 9qw lv wna 2;irection 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 preferre:vi/cju 8e1:fobo 2ird 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 glass9yd)-v dno7ny at an angle of o7dnd n)y-y v9$57.3^{\circ}$. 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-analyzev;2cb kaim62xr combination. The transmission axes of icxv abm2k;26 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 when its image reflected inj f j*21 5cxgolo1jcm: tm(f+r calm water is completely polarizm+cgffj 12rmto jlx1o : 5cj*(ed?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an analyzer. In this procesp t0hfncq ci 0 1/tu5pc 9:j4rm*d7nwqy ).ccms, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzercpw*cj5h.c cd7n:c nrq 0)ti mmy f04uqt/91p. 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 vacuumyvt fvl:/f(r15 k 8iyyn8yt 5j )ef whbps7/t* and reflecting off a piecetf y8vi 8b 7)h /ft: yvesftjyyp 51*wrkn(l5/ of glass of index of refraction 1.48?

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