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习题练习：Physics Unit25: Optical Instruments
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 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 游客未登录  开始时间: 23年05月01日 10:00  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The length of time the shutter is open and the film is exposed in a cameru+a 5*;ycv sy oe04xtra is determined by the+yoyrx;*u es5v4c at0

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The amount of light reachib 23.)gm3*nxdwqvyg6o q y+bw ng the film in a camera is determined by the

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single-lens reflex camera the l)u-:8kmsq zh+ arru q.ens-film distance may be varied by sliding the lens forward or backward with.ar-qmrs8ku:z h q+)u respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means that

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers vonbo21b 94yeqdu /t)the film with a field of view that corresponds approximatelydboteq2v 9ob4 y1 un/) to that of normal vision is referred to as a

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that acts like a telescope to magnify images is refe-ycamf: utx(k5 ;kp x.ymagys 622.tir2fz,lrred to as a

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers thbq yf 1b,6l)ape film with a wider field of view than that of the eye and through which objects appear smaller isfb6q ,lapby)1 referred to as a

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following ways is a camera dif:bkc zvh*xufdi:8)y )ferent from the human eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction of .wd 0nod cr64alight by the eye occurs at the

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The closest distance at which an eye can sjx . eqw81s*ve amx4g)ee objects clearly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance at whichlkns2y36 4rdarhb :c3 an eye can see objects clearly is

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too long from front tuuw2w0hyq7k / /egp0ho back, the person is likely to su2 w7khhg0y0ue wu/p/qffer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually be corrected wifvrp) m 04i4ifth

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeballct2g7c 94 q57jo:lk zv(huap lr9yj8 e is too long from front to back, this gives rise to a vision defect that can be corre 2 8y(:vekp 7l 57c9holatuj9gz4qc rjcted by using

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too sh4rk qsf*,z-eo ub28xp-c:a z m-r xl)xort from front to back, the person is likely to suffer fro-x ,bar )*82:kmzfp xrs-qc4ez luxo-m

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually be correct2g ws9:np3j x-axi b(ned with

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too short from front to back, this gives rise toktk0zgnk1, jtu o0g5( a vision defect that can be corrected by using5 z gk(0,t1koujkt0 ng

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What type of lens is a magnifying glasse3krxqoo;*vb k cne2df;c2. ; bhgm3 0?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason for using a very large diameter obb5(+w u:alkoljective in an astronomical telescope k:ub5wl(a+olis

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image formed by a refracting telescope. Suppose an ond pdipuo4:r *5na-*upaque screen is placed in front of the loweradn:- 4u 5i*p npoud*r half of the objective lens. What effect will this have?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Assuming the film used has uniform sensitivity /xl y oh32zeyb/5p kn6throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objectiplhyo yb5x3 6k// n2zeve lens of the telescope used.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescope ha2s yo1 uuhy7l bno7(e. l56 iw*tn/dhus a magnification $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  With what color light would you expect to be able to l+uymq )le25j ,1 b*j-myor(lp5vm n+sf ,oaysee the greatest detail when using a mic(qelo1ympja,+5 s2 jr nl v,y yb +)*ulo-mf5mroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frs 4njed))bt7 ao1v+ woa;i.qlom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffecm cj77p9om n 8dnp;*ir from

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power ofxat x-y +w;4qv a microscope refers to the ability to

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the diameter of a -5zywrd0 +qwi 7sri5g radar dish is doubled, what happens to its resolving power assuming that all oiw 750rrsz i+ywg 5dq-ther factors remain unchanged? Its resolving power

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A near-sighted person has a far point of 18 cm. What lens (in diopters) will ale /,lo( 6q(gay+injy gtx2o*olow this person ga,enj+toq6(yi yl( /ogx 2 *oto see distant objects clearly?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person cannot see clearly objects more than 70.0 cm away. What power of+i++:hrfh fd :g-wf vp lens should be prv-gwf f +rdpi+:hh+:f escribed if the glass is to be worn 1.00 cm in front of the eye?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nearsighted person wears glasses whose lenses have power of -0.15 D.w(we /z(g d,rqae-fz6 What is the person's fae6a/zw(zr qwf(de- ,gr point if the glasses are very close to the eyes?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What power lens is needed to correct for farsightedness w57( b)izgy.wl 6qlx wihere the uncorrected near point is 5y lw7wxbl giiq)z6(.75 cm?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The near point of a farsighted t)bn.6v8* f pw vfnbs;person is 100 cm. She places reading glasses close to her eyes, and with them she c.fp vw; *n)fsbn 86tvban comfortably read a newspaper at a distance of 25 cm. What lens power is required?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A farsighted person can read a newspaper held 25 cm from his eyes, if he we g(tpjib.m+sr,mzg h(ks muzz-70f11 l 3y)tbars glasses mgtz +kip(rubzl hm 11jg 7) s-0,y bf(t.s3zmof
+3.33 diopters. What is this person's near point?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal length of 10 cm. A person has a near point odrb6r4q u gz/;qq *2uta8rar4f 25 cm. What is the magnific2 *zub ;gr q8d6qra uq4ra/4rtation of the lens for that person when their eyes are focused at infinity?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal length of 10l :5)7dk+7u l ckzb rzxj/3dyv cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are l3)k zd7kublv+xd zrj 75/c y:focused at their near point?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying glass has a focal length of 7.0 cm. What is the magnificatiocsubnsk,. vt. 03ao*f+ q oh8en if the image is viewed by aeb,o03 cfkns 8.oqhu+vts.a * relaxed eye?

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lens of focal length 5.0 cm as 2w( -jil+g9x sy:fw oja magnifying glass. What is the maximum pojyo (w+sx-w2f :l9 gijssible magnification?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lens of focal lengr nh 97al2:euxth 5.0 cm as a magnifying glass. What is the magnification if the pe alh ux:97rn2erson's eye is relaxed?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available l,jd./rc 4ii+irfhtb8xv5 / n) ,ieohbenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you tjv5nbc)rii+ ,ixih4d.h,8o/ b/r fe were to use any two of these lenses to build a telescope, what is the maximum magnification you could achieve?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focabsq ij19w5*y8z +b mtpl lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of thes5p mswbz*9i1q t8+byje lenses to build a telescope, what is the lens separation for the maximum magnification telescope?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The objective of a telescope has a focal len7+* d3dikbfp9 rz5 tltgth of 200 cm and its eyepiece has a focal b+d dz3r 5*9 7fltkptilength of
1.1 cm. What is the magnification of this telescope when viewing an object at infinity?

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomical telescope with a magnification of 10. xe1)t+xc7cp29 8 cavxlr ( coz If the telestcl cx xcp 82z v)17c9xe+aor(cope has a converging lens of focal length 50 cm, what is the focal length of the eyepiece?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an as;(yg :yuf *plm ku8h0otronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the :0ugy o(ufyl8kmph*; telescope?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designing a 10X telescope. If the telescopeb95 a xr5g5(n)pm u;sbjtb7ms is limited to a length of 20 cm, what is the approximate focal length of the objectisnt;mxj59 ) au(mp7 b5s5brgbve?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens of focal length 1.4 mm and an eyepiey3x -x vlz4x4d4o:ak tce of focal length 20 mm, adjusted for minimum eyestrain. A blxvx:zyd oxla k4t4 43-ood sample is placed 1.5 mm from the objective. How far apart are the lenses?

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens of focal length 1.4 mm and an eyepi3l7rc6 2tc 6 6j lb( t-/ovrr .chub5icprum(dece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is plac36hvi2r(. c/ jt7bc cr 6lt-6locu d5rumbp(red 1.5 mm from the objective. What is the overall magnification?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has an objective with a fog)xzc3o s.jde;3 x qz u9+1p3py5eddocal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnification?1 +;3d3oqe.u )5 og xxsy3pz je9dczpd

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope hkxq sy2)u k3a/as a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length ofsq)ky 2uka3/x the eyepiece to give a total magnification of 240?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star system in the constellation Orioniafh -*yi*2sy has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve the twihi a-2yy**fs o stars?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope is designed to resolve objects which are 0.010 mmfbawaj 3::xy; apart. If the focal lengtb y: axj;a:w3fh of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objective?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's eye changes from a diameter of 3x;dkw ;jt ;a2) zn0zvq.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum anqnzjdwz t0);;kvax 2;gle of resolution change?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Space Telescope has been placed into Earth*sg,m)*kfl jm;fw8 n i orbit by the space shuttle. What angular resolution could this telescope achieve if k*ff*,i8 ;n lgw smm)jthe wavelength is 500 nm?

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