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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 shutter is open and the film is exposentd 6s/ehmr 1js r5v8j,6 *fzdd in a camera is detejmr58 ef1ns , dz/sht6v r*j6drmined 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 rec) u1yi.6smt aaching 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 lens-film distance may be varied by slh2//q x:6t7ur igj/l douxx.jdl1c/ 4y .aju riding the lens forward or backward withqc/a dxir74rouuxx/ tl.j:6l 2jy .uhd1gj/ / 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 the film with a field of view that corresponds approxgri iwn :*domz/.i7 yfiu- l4697fqqgifqn yd7oi l/f9-g4i m.g:i i7qur6z *wmately 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 referred to aq)+ g :bgxugtv 6s9w6us 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 .8r*jocjcl: 2z zzq1pfilm with a wider field of view than that of the eye and through which objects appear cj8zjz:.2lpq rco1*z smaller 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 following ways is a camera different fra;im z+mcn * ik5)t2rgom 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 light0domj*h57l mt 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 see object i:g26 ,vpmuzws 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 which an eye can see objechqreup q13npbgal / i+)6d6b2ts 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 froz x):ua9om noxr8/fcyc5 8ys1 m front to back, the person is likely to suffer f za9xy o co/8:cxn8u fm1sy)5rrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can 6mtkb 7u(0tus usually be corrected 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 tmx13.gonlfqe k* stz9.qfa5b5qp(+y o a vision defect that can be corrected qpmaoy.felfn55bt 3+ zkq( 91xqg.s* 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 from fron e( 3w5))ckuak ola:aet to back, the person is likely to sufferw))alck o3k(u:aaee 5 from

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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 corre2gg) n)35m hs,pdgzll cted 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 : ajo 475evslf hkut*5short from front to back, this gives rise to a vision defect that can be corrected by 74o5svajeut5fl*k : h 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 ac 0k-+hbm 6t 3ugbflh8xwd+7 i magnifying 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 objective in an astronom ( -(0kqv3vrvx+jfb a:mi+ iziical telesb zvvk3aiq f++0ji (xrm:i(- vcope 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,s1-jmsyt 1:czlw* odr1;ecd is placed in front of the lower half of the objective lens. What effect will sd-ds c;zjo*c: yetr,w1lm 11this 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 h/ 6rz9cgltz0-qyxfgv)3zo v2 as uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens refergoz )69z3qvfczrtxv-l/g0 2 yred 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 magnitirwxv-5a/ lk41 )ay yom3au :fication $m$. 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 see the5 j r53nxn;iv1s edi7q greatest detail when using a microscope?xs3 riiv1;ejdqn n75 5

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufferscv)td .) c;ar from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frop zm3-7+4dsagjt:x db m

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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 microyf28 nj8l s f,ajz/b+mscope 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 to its resolving powe so vn u1)3)d*frxgn,rr assuming that all other factors remain unchanged? 3dsn1 v, r)f)rog xnu* 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. Wh3jm ,f4 sqsyozkf10yt i88r1fat lens (in diopters) will allow this person tzkjqy m 3,4s y1or1f8f 80tifso 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 lens n4:xbqc2zpp,eb1i- t0q t+sd c ;v /)lho6iksshould be prescribed if the glass is to be worn 1.00 cm in ihi; , 1czetdk-bc o +2b/:xs)ppv0lqt4q 6n sfront 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 w,/hjxlma jly(rmx0iax * -4zn:zz/ e3ears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very4 exaj/a zj,y:m(-rll*hm /zx3iz0xn 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 uncorrected2q+;rf 5fbz b)go4i cr near pf4ob;q2r) 5c fbgizr +oint 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 ptu,1zi.ug q ir8dh b+,erson is 100 cm. She places reading glasses close to her eyes, and with them rb81gqu+ .ht,z iiu,dshe can 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 wears g(m26sf7y7 o 5pi7zevhegdzr 1lasses osfr(17y hgp7o vmiz5ez d7e62f
+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 focall/vof:p 7b -mo.4 jjiwwyd7-x length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens fo yi.b4:xfwv ooml /7dj-7j -wpr 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 10 cm. A person has a near r.hbh6nj. f1f 1 a1dvupoint of 25 cm. What is the magnification of ta61bnuh vh1 .fjfr.d1 he 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 len0a*h7ysq 4 h. .fxr ip:2qfbangth of 7.0 cm. What is the magnification if the ipi*hay a:fs2 h7b0fr q4n .qx.mage is viewed 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 converging lens of focal length 5.0 cm as a magnifying gafd*gb; ()w xzlass. What is the maximum po (f;dag)b*x wzssible 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 length 5.0 c yt:o dqb (ha6lo(j+dtk) go*3m as a magnifying glass. What is the magnification if the olo tk( y 6+dqtg(ho a)3d:j*bperson'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 lenses of focal lengths 2.0 cm, 4.;atdxxp 7jea3g /g.1h0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the m gdt37x ejhapg.1;/xaaximum 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 focal lengths 2.0 cm, 4.0 cm, 8.0 cm, an* la3 ;a3byeyxd 16 cm. If you were to use any two lex3b;y ay*a3 of these 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 length of 20v n5mw,5mh 3os0 cm and its eyepiece has a focal length omws vm5,5h3n 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 with5mr(raqan 7 xa6:iph; a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length r7m:a(h q;ai 6xapr5n 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 telescope witgq3s4 yu6lapo o n1+;xh a magnification of 10. If the telescope has a converging lens of focal length nloyqx s ;3o+4u1p a6g50 cm, what is the resulting length 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 telescrs84pokp,x(* r3m9 l/mn qzglope. If the telescope is limited to a length of 20 cm, what is the approximate focal length pg (qrspm z9xor,k/ lln834*mof 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 1.49 quzg e35:zl 8jgyz)bob2arn,* vq*c mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed q5 j2 ,n*lyauveb g8o*rzcz):zqg9b 31.5 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 and4 2(w:0tm ao o4ai zwe.fe2our an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objectivew2o0(toem4u aa2 rwzfo:4 ie.. 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 obe t(e81thd)jqjective with a focal length of 3.00 mm and an eyepiece o e jt8)dt1e(hqf focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total 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 hastzq)btmq5f h);yu *n1 a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total y*m;) hztqu1)ntb qf5 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 k9d 1s4xex2zc-cucng s1,sn 8Orion 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 4ds1 nkz 2 sc-cng9,xu8sc e1xthe 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 resolve objec4myju lak))mc c68cv+ts which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the waveu akjmlmc 6 )4)8yvcc+length 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 frkdh4f;dvdm ,8ist/:at-; ss nom a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle s;t,dtsma 4h8 vfdd/ knis ;:-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 Eartp 349qdakno 5lxc4fp-4f5 daj h orbit by the space shuttle. What angular resolution could this telesla345p4o 5jfnx kqp- c9ad4 dfcope achieve if the wavelength is 500 nm?

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