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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 th:/7qi7mz q z o, zg/h*e/mn;3uleaux pe shutter is open and the film is exposed in a camera is determined by 7m,u/u3o/*plgie zznaz qm /q :ehx7 ;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 camera is detn7nkhgyn +6 2rermined 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 lezrr k)9jd.4b o 6 fg7bb4h)ytjns-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a furkf4))9bgo hrb .by jzd647j tzzy 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 app +on0 kv2o6iooroximately0+ko o6no2i ov 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 aselj. xho d/) qrk94qn,fbg(. cts like a telescope to magnify images is referred 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 cove40ilz- a3pm ;l+5w2ba tfr aexrs the film with a wider field of view than that of the eye and through which objects a5xw ria 2+0lf ptb3;mez- ala4ppear 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 wofud* y enrta 3dh94+3s:u5gyays 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 occurs at pq e3-wg 78brnthe

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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 objeu 3viaemok .48hp m/(zcts 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 9, ) b k9awyffia0zfa*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 back, the person is log e hc.p: sgo1h;kr44ikely to suffer ;ggp1oe 4.:skcroh4h 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 correc r4q3ca5-;m-.bbqs fl uq7/k15vnmt *jze ploted 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 tol e7 e4p w.zlizlj;h(ll i7cj77:cm)o back, this gives rise to a vision defect that can be correcte jz7icolm lpljc e7l(7l.7 e)iz;w h4:d 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 s)ljy59fq1ii2 j -u,p ktfq7 qvhort from front to back, the person is likely to suffer fify5qf j-k1q2pt,vij 9q )ul7rom

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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 corre 4rt6fcuu u)bv.f5 e/qcted 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 w(z(gtp// jwcywy)7 vto a vision defect that can be corrected by /gytyw7 (pjw)cwvz(/ 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 ut1k-3 5hx 92pb celoha 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 oeadqst21 j+* jbjective in an astronomical teles+dsjej1 *t2 qacope 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 scrzvwrf1qo 0c o fk50 bj5q(49dxeen is placed in front of the lower half of the objectivebf0x(of 5 zcw9kq1 0o vj54qdr 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 throughout the visiblepd7 y/q.d5vhkma0jl/ spectrum, in which of the following cases would you be ablqaj/5vpym07l d k/. hde to best distinguish between two closely spaced stars? (The lens 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 hasi.k9(cf emo 0( r8wnki 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 toqtkcjv 2 k0-s8 xa:6wz be able to see the greatest detail when usi2c- 6v zkat0j8w:q ksxng a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fb 6 p,h4 zk. s3upt3+ze;eeqk.gaogq1rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suzng*hi 6emx3har/*jx-i +q,k . 3ucnr ffer 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 of a microscope refers to the ability to0crz1+c o0 kjg 4as1np

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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 resol 6n9thv4jhql h8*in )sving power assuming that all other factors r) t9 n46i* hnq8hhlsjvemain 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 1d rk g3ziouih2h/;k yf x aogq,9-)ag.v8xm )has a far point of 18 cm. What lens (in diopters) will allow this person to sev-;igha9)8z kxkogyihdr.u )o3m 1/f2 a qg ,xe 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 powk iko5)3dbxp 5er of lens should be prescribed if the glasxd5o3k5k) p bis 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 -0.153 )1paz+66yyxypoe uy,ihg ,j D. What is the person's far point if the glasses are very close to thy36 ypp,j1 yuo+ya i6)e zgx,he 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 fars m83 csfj zrl73/cxelp7aexl- ) g(im:ightedness where the uncorrected near point isg mlc7 xecp:/3emrz)3f 8llix7 (-asj 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 places rea(kteliq23uh7s nj i-d2) f4hpding glasses close to her eyes, and with thdj2(t 2i4q-f7sk3p)l h enihu em she 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 aj66 jl.ayyf r+ newspaper held 25 cm from his eyes, if he wears gla+alj jr6 y6.yfsses of
+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 nlx+/m p3lf6v dear point of 25 cm. What is the magnification od/+3 llpfmvx 6f 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 10 cm. A person has llky2.n )9vuh 5i5nhy a near point of 25 cm. What is the magnification of 2 hvll59yhn.yk5)nu ithe 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 magnifi5w7k p fe6-v61 htkfkication if the image ik5t if71-kkfphv e6 6ws 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 lenrejapc5r.k *gr ( t7kod1:c.gs of focal length 5.0 cm as a magnifying glass. What is tkcdc 5a.r:p1gjkr. * g 7r(eothe 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 lens of focal length 5.0 cm as an mtrk, c6,z.b magnifying glass. What is the mat6.bcr ,mnz,kgnification if the person'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, 4.0 cm, 8.0 cm, an bw)ie:z s ; 2zes +s,4vje6l2h;0bli.yy kzqbd 16.0 cm. If you were to use any two of these lenses to build a telescopevs6e;wij ;z eiz 2hel4.:s)bb y0qbz,y+ lks2, 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 focal lengths 2.0 cm, 4.0n+pwax nu :-/++ wlskr +au0kr cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum maw+r :a+w- an0/klku usnr++p xgnification 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 fo3 16m4evds mhas a focal length of 200 cm and its eyepiece has a focal lengtm 1d6ve fom3s4h 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 o xlwpsun/6 .,h 1rn3rvf 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiphnrru 3xvwls 1, .n/6ece?

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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 withhdzls m22spbb 6(t+5 9n(czph a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulti(2h6bztcs(pz ds nlmh9 5+ 2bpng 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 telescopu7o)h8v( ea1d-qlzo-ybqu)c e. If the telescope is limited to a length of 20 cm, what is the approxih eo-bdu1qvu( 7ql z)a o)y8-cmate 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 focs bx tff9d3pz(s( 4,aqal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum 3bpxt4sf q9fz(sad ,(eyestrain. A blood 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 lexp (4ntwrd.+nngth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum ed xrwtp(+n4 n.yestrain. A blood sample 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 with a ff h0,pp( r6vswocal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 4r6 wvp s0hp(f,0.0 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 has a 18-cm barrel and an objective with a focal lh ,7;pt+ j8zj+6xltmsra,oy uength of 8.0 mm. What is the focal length of the eyepiece typs ,+h zt,tol7+mjj 8uxra6; o 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 i,/g+q;kctf/ )cnyvjx ljz)4n n the constellation Orion 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) teles fv,c);njgtcxzq4n/k+y )jl/ cope 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 resolve objects which are 0.010 mm apart.8pb4+8fa r wga If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, pa+ 8brgfa48wwhat 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,- ,f cpx skqc2msyp r(3lf5d3 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolucf3sls-fpxq ,mr dk 5, 2p(c3ytion 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 Earv-iax))**dhm 9m+qr-hgx uj yth orbit by the space shuttle. What angular resolution could this telescope achievm*9adhiquxgyjm )-xr-)+hv *e if the wavelength is 500 nm?

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