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

答题人: 匿名未登录  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 grz9i 6e2:4qg9xdsc x shutter is open and the film is exposed in a camera is determie6qz4s9dgi: c r2xg9xned by the

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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 reaching the film in a cam be ld -qxby3uqnh1563era 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 lens-film distance may be varied by sliding f37 w7bxu ue;athe lens forward or backward with respect to the camera housing. If, with such a camera,ea7f3xb ;uw7u 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 the film with a field ofy *sq6 wdhijk/3tuvl:5 w2+gz view that corresponds approximately t/qsh5d2lw :w6ki yutj3v*zg +o 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 referred to/ 4qqbypscs4lpsu 2(: 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 the film with a wider field of view t 5d gfds)ht*7dl sd6d5han that of the eye and through which objects appear sft)*d l5dd7h5 dg 6sdsmaller is 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 follow53zhc nn 4+pmpz 76ryying ways is a camera different 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 light by the eye occurdet mj-ky;e86(r6 ci xs 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 see objects clearlk xm2f d-/lf2vy 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 which an eye c odlm * cn.it4algri ,-k6k.k8an 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 to ihr (n,ph/ e7 kapw-je+46 vpbback, the person is likely to sufferh(4kpehvi np p,rw/7e-ja b6+ 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 cortk9blau; g:0qxl0:y9zo p;f io3jgk *rected with

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too long from front to back, this gives rise to a vis 5hwfi27vigvi8f52 c6e208am f usannion defn2if5ahu586 iemw v gvf2i8cas f 7n20ect that can be corrected 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 short 9yhyby 9/1qs+u2 xr xv8o4.plfpkq/;wf wm-f from front to back, the person is likely to suffer fr8hyb;qskqox42- pvwfx/9p 9yy+ lw1 / .ufmr fom

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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 correcfljmc1z1vx.v0;cf+ vyh ssb9v 4-ac 7ted 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 g6n hf4bc l2 0fg3/jffrives rise to a vision defect that can be corrected ff fnchl0 j/6b 23f4rgby using

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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 magn2i/-e4*h je)hlohd-fk3w nvtifying glass?

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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 objec;us+bsmbci w 9s(fs zju,- pqi-78b9j tive in an astronomical telescopesbb (u 8bjj-cws, imq+9usp7zs 9;-fi is

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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 opaque screen ijlve( alj8h7 6s e87 jhj va(6llplaced in front of the lower 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 sensitivitc4liuf:q9 pt*)mk sz4 y throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The :st z f*k)49lucipq4mlens referred to is the objective 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 has a magnificat 06pym7x9j7iw9egga jion $m$. 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 a.,) q9jhrv gp xpkw*re)yjoqx0y30g0ble to see the greatest detail when using a microscoe hgr 0)kopq90) 3jx r.vgpqyw x,0*jype?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fg,jh(,nfp hlrj q y f/; x*cfsd;(o*7krom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frnl0 qhie8tk/ (om

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power of a microsco51p*k :axaxjbuci*-p wu fw48pe 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 radar dish is doubled, what happens to1z1w12pv bov + s(itiq.sh9d d its resolving power assuming that all other factors remain i h1d+iqwv9pt.s(bs1d 12zovunchanged? 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) will9// i,pg eb :gex 8y,jdljtql* allow this person to sej i:,qt/eepxl l /yjg9b,8*gde 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 clearlyn jegpn 19*.gf objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front ofnj*eg9 nfgp .1 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 person4fxk9ryaa , u9 wears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses arxk ,9a4raf9u ye 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 where the uncorrectedup (z4owfmu wmi+4 -ycwx2/7t near pp+(24 wtx -mwizcy um/7ufw 4ooint is 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 person is 100 cm. She placesqln*k+8 gok g:m9.qgn reading glasses close to her eyes, and with them she can comfortably read a newspa8gog+9kgm.:q l*kqn nper 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 wearseh8z e6s-fa,r yhh8p( glasses h68e p fe ,ayhzrs(h-8of
+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 a86wp h+m/ f 6yztmgkski0/p)o near point of 25 cm. What is the magnification of the lens for thi ym8zkf 6hs+ g6p k0om/)tpw/at 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 a3sfbn)crg7(v focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the nvgfbr3c (7s) lens for that person when their eyes are 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 magnification ifof z,nl6dj h mhn b:/ckr81b+3 the image is vcjno8b:lbnfzk, d3h h+1 /r6miewed by 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 converdh) vf5oz)x+wc uwol9)i;rny *q7yki/ fp9d)ging lens of focal length 5.0 cm as a magnifying glass. Whal)cxo r7+fivypn)fdkho i59wdwy*);9u/ ) qzt is the maximum possible 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 len f u mub0a1-5g99(eycictdg9ns of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye icfg 0tguu1(9na bid-c9 e5my9s 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 lenses :cpk) . y ,jf:u9r xqxh)q 5o3m 7ohnkass7gn.of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If youg: u:.x oc h3s)qxq7na57nrjpfymk k .o),h9 s 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 lens xasr7on2+rgn*p -7 qyes of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a terq7 pys+xn 2na-* 7roglescope, 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 length of 200 cm aa.id7e b d;-ilnd its eyepiece has a fbi; d-dial7e. ocal length 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 yl: )v: x9t gc7odz(ryastronomical telescope with a magnification of 10. If the telescope has a converging lens of fo ::cxt d(l7 9oyr)vgzycal 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 astronomical teles/b63fn:7u mgbv4gu:h p1 r gxzcope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lenmhbug:7n4 gx3 1bprzf/u: g 6vgth of the 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 telescro;fm2l/ 5xaifj3n,y7g0/whwh,h e g ope. If the telescope is limited to a length of7logj 5in,; yga20frh 3,wfehhw// xm 20 cm, what is the approximate focal length of the objective?

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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 mmnjjpa 1 )wb wcs 0 n7gcs);2j5k/cuz(f and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bnbfsn/ 1c5js(k 72wcup)aj j0);wz gclood 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 e/u/ h;dsxm 3nfyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample3us mhfdnx/ /; is placed 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 wi, :(hffars-gkgnsgn + +2nrz/th a focal 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 to rs,n n+fhgrfg/gk sz-:2(na+ tal magnification?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has a 18-cm barrel and an obje0 1zilpvn8fc0 ctive with a focal length of 8.0 mm.8 nlf0pcv1iz0 What is the focal length of 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 Orion has an a5 qx vm0yk40csv3 k 4edard+,vngular separation of 10-5 rad. If the wavelength of the light from dq4 30mx5ak0rv ec+svyk4,vdthe system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve the two 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 resoj.1:j un pjo:blve objects which are 0.010 mm apart. If the focal length of the obje:j :.ujo1nbpj ctive 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 diameta-o/d :eq xrfqri-,s -er of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle ofoaqq/rid-s ,:-x - efr 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 Hukxcnuy,vs*- 6+pco 5m bble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if to-c6m+,n * uc5ysvxk phe wavelength is 500 nm?

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