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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 princib8k+1 9 8t8qlmkdvpqs; hrzf:ple.
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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 st bfolw; k5mtt3 c/*-haatement?

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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:ndfd ,p-nc)vd (c b+ne2plv1 is attributed to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is attributed t- dr )iz+l hbz4+9qyeno

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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 medz mh1zy 2zj6s7ium of 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 trz,kw s(u6jts7udss*, jiy2g +aveling in air, enters a,y2ijsuw ds(ts7guk6z,+ j * s piece 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), originally travecw-w 3c:d 2pfxling in air, enters a piece of glass (index of refraction 1.50), cdwf: p-3wxc2 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 spread rhr 0tk+wnladu5y;6fh4g a: -ing as it passes through a narrow slitr n:5t a;u l-fhywa4ghr kd06+?

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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, whereas lig .qzj.2qq.dshp :v*iwht is not noticeably diffracted* vqzwhsjd qi.q .:.p2. 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 alterh 5w72trylg5y nating light and dark bands when light passes through two or more narrog25y7 tlr5 hyww 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 sw gizjzo.l.,9aid 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 striking a screen are ingv2t8.q tkw1k phase with eak2. vgtwk1q8tch 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 arriving at poi8zgy6k xd*,h5 ft :hjznt P. If the maximum constructive interference is to occur at point Pdhj kgfz 6*8zth5y:,x, 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 /3bqu0o 7po ioat point P. If the maximum destructive interference is to occur at point P, the uq/bp0o i 37ootwo beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spotd0lg6 v w:sf 6q3y*kay in a double-slit experiment, ligh3 vq f0a:6kwylg d6ys*t from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot mw 8r1e.e8iq zin a double-slit experiment, light frz.e mqwe8i18 rom 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 briq47 uxalux1)t9oagz nb8x a*4ght spot in a double-slit experiment,an) a axxq4gluuxb8t9 41*o7z 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 experj1mmn39 (n3lu4uz6xtlw:w lz kq ;c9riment, if the separation between the slits decreases, what happens to the dw9wtlr(1z um;9uc 6jnlz nl4km3:3xqistance 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 their+y+ ou*5 t*x0 )re6orw s;*qps zt9inhcf4o distance between adjacent maxima on a remote o*cqfoiipt0+;r )y*4xnzh*er 69 s 5s+utorw screen is 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 light travels pat v.g3.ns n 9zq:(i9t ycrjg*gyh $P_1$ 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's1jga8 ,2o)6egjvbmq e double slit experiment arrives at a point on the screen one-half wavelj)ma ge 61v8q2e, gojbength behind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fringes in a double-str-7)l-ubhcm d zlcoa9;) lta.t nj30lit experiment if the separation of the sl3ar-)jdct czt). -at7 9bno ;mll uhl0its 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 7ss a2q4tg9 phvrt ;,oa double-slit interference pattern using monochromatic lis, qs4vr7o2ga;9hptt ght 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 white10 m lluf )aah0n*6eoq light into different colors isqh fa )l m0un1*6o0eal

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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 amxuj 2bn /g-5okxfx,u zk94,k 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 sh5 da e+.i1y24sz gjulcorter than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than j4dlannu( 2cg*vpcv 8txe 7:.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 fromt kf9 ;hejr+dy 9wgreks9o0l0j90o4t air to glass?s0kf ew9h 4rr099oljt +0jd o9tg;e yk

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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 passing from air e/zu( iv. x6yrto glassu(e/ i6.ryv zx?

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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 incident on a thick glass e207xkb-oj6 t*d4hs tcmu9s lplate with parallel sides, at astctolb2 e0ku4m97 -dhj* s6 xn angle 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 +qw n ezbts2yj7czmy/(yz0-m .ud ;8xshe now holds up two fingers, wit mzd8/ ;zc7qtmnw0bzu(+ yy js.2y-exh 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 diffracsvu*p.fb (isi:: , cdhtion experiment, if the width of the slit increases, what happens to the wifi:*dcs .v:ib,uhs p(dth 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 cm and the other*bpug80h cces)x 9hw ;x/ kxv4 one has 6000 lines per cm. Make a statement comparing the dispersion 98uhhepcgxxxvc4 bkw0; *) /sof 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 separation,y9 vuukds4)v1nzt7 c1 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 monochromaticvuu1)s 94tvz1c dyk n7 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 causi*p c2dq3uw qvl: v7;qed 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 monochrhi )5a.+njv.rw rvl ;yomatic light waves can interfere constructively or destructively, depending on their phase rv.+.yawri) n5; vjh ldifference. 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 an air boundarr:f;ujg zde* *ebr4c(y, there r*zureec*;f :db (g4j 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 air, is refleci krbi ,wt(y3d *:oolibp+1 e/ted by a glass surfaceopi, le+ ( yi3irt1bkdb/*:ow, 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 vie 7sx/tfz 3u3sza+jc 8fwed in white light. As the film becomes very much thinner than the wavelen3+xzu7 tffczs3a /8jsgth 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 mag a armo)/ghtx6,kd/ag. 6op, knesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate t o)6p/mx,dga.goh k/t6a, kra o 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 illuminate : 8bos6og7uoo 7cbv6cd from above with monochromatic red light. When viewed fr g6:7uc7obo8v socb6oom 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 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 facz0m uub4afk)( ;)flhftmltx)- 48qcct that certain sunglasses can reduce glare from reflea8f 0ctx )ufut)qh) l (- klmfc4;b4mzcted 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, ezh m4 )0uel2i0:fdlvthe 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 to obtain polarized light in a dichroic mat.y8tg de 0e mrmpr8 uym/wy/9kj,f+( terial like a Polaroid fyfrwpjy km8(yd/9.e gu 8/rm e m,+t0tilm?

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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 Polarox2 8zb5e0r0)jag (c+yw ;xb ou ovs*klid films are perpendicular to each other, what is the percentage of the incident light which 2lgbz)bko* 0a (v;jy0 o x+5csxrwe8uwill 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 t*tu aik3yaw+w*3ooyr ln3(t *he 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 greei+yds9k.hh:v z8 7vratest 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 exhibitedemf*.ckc1h *im; mn;l?

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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 mori (n51p(iu :gwg rs8nie blue toward the zenith (overhead) than it does toward the horizon.gi1:(r8snnpig(w5ui 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 vacuua;q/lo n pv)s6m. It passes into glass, which has an index of refraction of 1.50. What is the s /vln6 o;apq)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 61pt8uaoh ;n0j 00 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. ho;0 j nutp18a 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 passes in dk0tg(li4hhe228e,oxmj6 ,ebgd h2 dto glass, which has an index of refraction of 1.50. What is the speed of the light in the glhj2 d 08x,ge4hddbk2 l(eome6 tgh, 2iass?

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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 , +bk7m2vu *;7-mu8 wp grnvuceytk7e in vacuum 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 oo) njf;,+ pitp)nx3jin 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 tid-e ,w:vu+qp d)w ds jv8n-q5o 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 apa8 5pet e*/:mr;h swbe m,dk rc0)tl( p8li9hqart. Monochromatic light falls on these slits, and produces a fm/*;qlt 8 a5wtcp9dbke,rrh l0miesh: 8)( pe ifth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575nnxf tg//: 4z oxlrc*4 nm falls on a double-slit and the third order bright fringe is*/r zlxnfcgxto/:4n 4 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 experim.yn qxunr--+: fjen 7ye3q9 kgent, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between n eengu 9y - rnxqyqk7j.-+f:3the 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, t c5 a5u4fos(qbhe slit separation is 2.0 mm, and two wavelengths, 750 (saq 45cbo 5ufnm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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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 of wavelength 634 nm fvvr oe /a9-x+ the*5hialls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interferencexv* otivr5-a+hh /e9e 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 s3 s y;hkfwj* b0l/d4cwlit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a c *wdjb/ylk ws 34;fh0screen 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 wavelengths, 480 ziarns; q64mqs 3a r 0a4o 650ppy+lavnm 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 betwe a6s00sr qm6+;4 oayq par an43zilpv5en 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 rl.btv3 66rht -* x dv1rs4jup5 ry4xivj .wgv0ed light (wavelength 670 nm) is incb vsd-ghrrtp354vji4x .u0vty6*r6 wxv 1j .lident 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 3uh6 +yv: habk+8 nbezsingle slit of width 0.20 mm. What is the angular width of tea:z u63+ bh+hbny8v khe central 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, which is 0.050 mm wide, is fei r;-qagd(0 illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on rdf igaqe(0;-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 widio+doccnd (uz a5 l:2y/hab73e. At what distance from the slit should a screen be placed if the second dark fringe in the di57cyialno: zo (3u hcb2 +dad/ffraction 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 slkhofh)0qonmftl e6z8y .a, z0srg 5*-it 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is 6nhrg y0z8l5s0oh,fmzt)a .f k*e-o qthe 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.ga*,,*k8f w :akag clt An observing screen is placed 2.00 m from the slit. Find the position of the first orderl* akga*ck ,f,: 8watg 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 5e2xcp 9y k u45hpkj+t:80 nm is incident on a slit of width 0.300 mm. An observing9ukk2c e+ppjy:x5 t4 h screen is placed 2.00 m 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 grating with 7000 lines per centimeter, its8rpw3 ; siawaa) d97he second order maximum is aaa8hds)ew 7ap3w;r i9 t $62.4^{\circ}$. 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 500 4zv abwnmc*6-i;3gqn 0 lines per cm. The angle between the central maximum m- nn*w bg 6vi3zq4;acand 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 inciden3x hyd5 lcsu2qa-6g:eyyo3a j*0e9i vra1 gg3 t on a grating that is 75 mm wide and ruled with 50, 3h26l5o e0:3cyyagaqxyvri1 ugeg d3-s9aj *000 lines. The 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,2ofh8;: cvzun2nrt n7 light of 600 nm wavelength produces 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 tn8;nhfcz2onv:27rucentral maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled on it. Wh: hvnxp4999akejcqxoa w; wz0 f clzo*73j86pat is the angular separation 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 5v *9zl9 ow; 4nxcaf9o37q z08xcwpjkj:e a6ph50 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 ss8g8i ip0ii 3pj.l(fe)*nwd into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appeardj88l inssi.if *i e3p(0 )wgp 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 fi. *vxe8f:x p )6ahqqd ah*4uycrst-order maximum 6fxy4ahqch.:)8du * x pae*qvoccurs 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 w -hbx73z6tjdj. pqi9 p4q) gusavelength 500 nm is incident normally on a grating. If the third-order maxim h7p-s ujdg .x6zqt9qi4b3pj )um 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 wavelength 500 nm is n1 ;ul2: ffft x,sg rd7esbbddj/q.17 incident normally on a grating. If the third-order maximum of the diffraction patternrsbd nf/e1 q72l j,sf; xu:7btdf1g. d 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 onx*v9m dkw9nr- e end by a strand of someone's hair (diameter 0.010 mm). How far apart are - wrkd* 9m9xvnthe 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 refract n9yzds6ctr +o4zvs( 2ion of 1.33. What minimum thickness of this bubbl2t sd6cz( n oz+9v4yrse will ensure 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 illuminatg:0btqo0rl4kl *5xvy*z k.6s/jeq if es a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normally on it?b rk l./g6q: 0zq4vxoiyt *k50 slejf*

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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 f6o-czs ,)7jiup*njt ailm coating (n = 1.30) on a glass lens (n =*czu7 ij t,jsp)6-ano 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 unpolarized light ay+82zw+ozcrfg j fwz5 ho:lm-mb3 d86 nd the intensity of the transmitted light is 1. A second ideal zzy:fmgf+3dw j - zrlo5bc86 h +2wom8polarizer 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 prefer n lxs.)p*hr+ vr0rgo4red direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of glass at an angle of xi)ifw;i1jt + jfw +iiix; t1)$57.3^{\circ}$. 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 comkdv9ai2zy24zas l8wc e ei y,(je)e.5bination. The transmission axes of the polarizer and the anal c)zv( ii4keeweae d9y5y,2zja.8s2lyzer 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 image8qh/ (vlc qo0p reflected in calm water is completely polari0qoq8v/lpc ( hzed?

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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 ll6cy1kdnk *k d+8rb7and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensit78dk*l bn+ k1yrl6c dky 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 i1 (,xp7plbvg9 x:u(eu)qkstka2dp z 2n vacuum and reflecting off a piece of glass of index of rbx 2uvqd x)(s t7k9pg:pl 1ukez( ,a2pefraction 1.48?

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