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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  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 thfm6coqc2d8/ 2d h)3z w2vk jbwe film is exposed in a camera is determine6hdf2vk 8b2cd wj2 mwz)c3/ qod 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 camddh5gp3welz; wj2n2ut )2pmjn1tp /xp:m 6-nera 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+9fqyzl9cm0 t ens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture imtf +90yqcz l9s 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 c,1)n lrygenf,pcz a)uyl- 4 .govers the film with a field of view that corresponds approximately toy,a r l ,ngc)p4n.-1g)fyz uel 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 magni1-jn,7l6kdxh jjt+tc2xi /i,m nc ug: fy 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 covers the film with bjc h t2flg.yn490b;ea wider field of view than that of the eye and through which objects appear fc; l ehnb2bgy9j.4t0smaller 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 from the hume2rh2 y2 y4l) qx+foxvan 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 ljy vs7/q2/7 sdn1xf qj6noa;;aeb s/xight 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 objects clearly iaovk w.k 3 /xyp9b0a0ts

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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 whi +spun) 5,j6(gqtb azvch 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 to back, the person is wu2l(rj wx+p 5likely to suffer fwx2ju (w5p+lrrom

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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 coi;g b4f):rne9nr9a b rrrected 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 gh,ocn/t -m1vv ives rise to a vision defect that can be corrected by usim hnv1c-t/o, vng

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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 front to back, the person is likely t xjy4uztky eg4.5cd ::o suffer fromj gdy.zkc xut:y:4e 45

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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 corrected wit5x:un byb7ongf8vb 03h

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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 shor0p gb i(vte3f7;2qjx.ns8dsft from front to back, this gives rise to a vision defect that can j; fd e3if .q(vsn0g2pt7bs8x be corrected by 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 maggcsyhw7bp zv1768. hn nifying 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 astrw8sql2d zd3 eu x(yn3lqceg2:+e /mu(onomical tdyus( dze 2ue 3q:(m8q32/+gx elclw nelescope 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 form *:asq*j *oqoted by a refracting telescope. Suppose an opaque screen is placed in frj *ootqa:**q sont 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 useka2b 2 f*e+bpjd has uniform sensitivity throughout the visible spectrum, in w abj+22ebfp k*hich of the following cases would you be able 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 has a w28msy 6y+nhp/f8 gzpmagnification $m$. 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 the greatest hioyr4.mr-hrh9 + p 64hna7er detail when using a m46.h r e+hr-pi4h79 mnr yraohicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufffx /*l x,rvn)ler from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferl:tot9tem *;z, :d- ddejpm / *-bikem 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./fm inn- rnjc2x++rhq+lz *h 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 radar dish u8qspk-j .q1a 6mslq9 is doubled, what happens to its resolving power assuming that all other factors remain unchangam.kpq uq9 1-ls6 jqs8ed? 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. alojn 2k(tr,3rbs+1n What lens (in diopters) will allow this person to see distant obj(1atbrnonl s3 jk ,2r+ects 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 pol s365fflk80h ge+rf: qt4wwzwer of lens should g6f04ez wfr5 fsw q3l8+l:ht kbe prescribed 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 w+ bf1;fip5tiwhose lenses have power of -0.15 D. What is the ppi+f wf ;5t1iberson's far 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 where the uncorrected1mzzb of+;zy ilis+;p/idzn4 r .2dc1 near point is 2/bs yn;dz1zfm op ;c4zd ii+r z+1.il75 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 farsigq2 wp5aag+gxu 9 hz3ayqv*h:l2oe7w3hted person is 100 cm. She places reading glasses close t ovy u5 7q2g23a*l+wa3gzh qhpw9ea :xo her eyes, and with them 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 a newspaper held 25 cm from his eye4o0op dw30q6i5kz ud k-y+ nkos, if he wears glassezu006io 5k- 3dpkqn4k +wdooys 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 near point k:zrt4 g23yi4j ky)up of 25 cm. What is the magnification of the lens for that person when their eyes 42zp3rt ) ik4 ukjygy: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 lerecj6czomiwp6 c , jeu 5+.0,jngth of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused aou, r, emc0j5 c.jp6wi6zc+jet 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 tht8v12 6xh5pukpleo1w f . sxc-e magnification if the image is viewed by a pk w xc1l f8puxve.5ot126- shrelaxed 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 magnifying4ttkzxtsj0u*. ; s) hc7).a bjdi1s sl glass. Wljxs1a. h tju.z07)kc;4sd tb s)i st*hat 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 lens of focal lengh)i8 z7of.a d1 wz3ui6df9 pbmth 5.0 cm as a magnifying glass. W a3pfi8fdw7)b6d.uhio 9zz 1m hat is the magnification 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 fu;qv14 ghrc)orq h4/x ocal lengths 2.0 cm, 4.0 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 ma /hr4u vcgrq4o )x;1hqximum 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, an2tx)a)f ach24tm8j n rd 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification am j 842tr)cxna t)f2htelescope?

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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 and i)0c s gc+purp/ts eyepiece has a focal l/ r)cpc+pug s0ength 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 telescopekxq yu,:hbxk 2b; e 54byjc/o1 with a magnification of 10. If the telescope ebh,: k1 4u q5/;yxybbcxk2oj 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 asgbap-/go n 8i(tronomical telescope with a magnification of 10. If the telescope has a agp/8 g( ion-bconverging lens of focal length 50 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 f(j3v1.u 5 l,: j xaimf(/vezbu v0toua 10X telescope. If the telescope is limited to a length of 20 cm, what is the approximaovx,j e b:(u ulv3j0 1z.mft5va/u fi(te 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 wl) *vbcz8 bfv5m+yk6length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apar6v*c f8wlvm z+bb5yk)t 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 lengtqn0nptx-q3 u ,h 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1u t3p0x,q nq-n.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 focal length of 3.00 mm and an e- --p*abj sblia sq84lyepiece of focal length 6.00 cm. If the two lenses are separaq* 4pj--is sala-b8lbted 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 has a 18-cm barrel and an obkd/thnm pal1i -q: *u3jective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificatiq:h dnukmp3-t* l a/1ion 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 co,au-w)y jnihh9j z0(v4iiv /hnstellation 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) telesch9jh) niy uwz iavvh04j,( i/-ope 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 z0p 49vpiw ts ul;c 1ev1eax )7g36cdjresolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wap9) xi7ldg3 vpe0 cwzt1;1 esu64vacjvelength 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 3.5 mm to 1.5 mm am/e ephmq zfe,r -kae4 m*(q:** foa+hs the illumination is increased. By what factor does the minimum angle of resoluti, pora mhee ae-zh (4m/fqf***q+ :emkon 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 Es. s)lyg21l, y jx)jaqarth orbit by the spallxs)s)yy , g2j1q.jace shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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