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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 the film is exposed in a camera is-: 1qum.sse/4 xcwj1,dscsex determinedsc sscsmxx-w :e/4 ,.u1je q1d 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 f((t +dxg+z cgjilm 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 vci.u612agh(v f irv m(aried by sliding the lens forward or backward with respec (6c2mvvu.rg (ha fi1it 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 fi rtm;)gyd*/3kv v f-la8im5mgeld of view that corresponds approximately tgy -* vk3m vm5a/;lt8frm)gdio 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 telescopur3 tkhj285r4: cr fwqe 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 covers the film with a wider field of view than thmsy*d.u; b6* x0ad mpwat of the eye and through which objects appear smaller is referdasmu0;6m b .w px*y*dred 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 wx jlau72gfh yzl q4;wgp6 (g()ays 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 lighi.(18 ;klx gl2+tfk7 qotzguot 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 clear 4b q*nnfliz. 11+ ovw30ndxenly 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 eyka mu g17+ ei )s7osll8fs0j3je 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, z tvj//;k zei/ h2k3bg3lj a4uthe person is likely to suffer;/it3b/2vlg hej/z3kkz4jau from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usu xxrk hf:e+o,cjo,6*vally 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 th(eu56y;) cajzdbq h2,+ ypt front to back, this gives rise to a vision defect thathy t qu cj)hba, yp+d(5;6ez2t 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 from front to back, the pey(pym-j a:a7x1pbg 3 erson is likely to sufbaym1-y3gx p(j: p e7afer 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 corry lslb:2/9 ft.bc7vu mected 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 ba uwtr,t yd.oa0v.sa- . op;8juck, this gives rise to a vision defect that can be cosa-udtytouj 0 ...8vao;p, rwrrected 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 magnifyb .qg*vtx+*gbing 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 vem9 z5pyyer4 93l6zwag uv2c:mry large diameter objective in an astronomical tele6v99c: y5e ym 2g w3rlzmap4uzscope 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 opaquo9m20cbu1i-sqrp o/r e screen is placed in front of the lower half of the objective lens. What effect wil1 pcrb rm u0iqos92o/-l 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 v jlm1xql(k0 (v2c3y g5ia6iij isible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred ti lakgc(il6i x0 mj2 qy(v1j35o 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 magnifjlhk46xs4n d1ta)y0r ication $m$. 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 bejlk5wctlm2vjs*jmo2f )mv89 10)jg u able to see the greatest detail when using a mi *mcg0 j2ojmfm5 29)juvt)kwvjsl 81l croscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer feb 19cn79fth5ht*by lm)7ntn rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fr-+ycgxvf ld9u o 4phq(5,i.imom

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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 mqw;8rx,j hrru: 8p8m 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 g kp.m*u7 x;ai7kss5d power assuming that all other factors remain unchanged? Its res u.i5 ;7px 7s*gksdkamolving 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) wi 5bjj 6,6ocpc 8lh.ccgll allow this person to see distant objects clea56g b,8j jp cccco.6hlrly?

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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. z zbu1is185ik What power of lens should be prescribzs 5k8 1zuiib1ed 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 we lvtii6+3 ve *:ljr,y vzx qr)yy,e:x6ars glasses whose lenses have power of -0.15 D. What is the persox rt ie3qlx+v)yl6: jr*,yzve:,iy6 vn'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 ul2j7 ,)+( lrjfaiejmhmq0 z,y ncorrected near ih0l(a,,mzl 2jyf7eq)jj+mrpoint 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 places reading glass ycymt.7cz (m:+6jtc ues close to her eyu j 6tc7m(y ztcc+m.:yes, 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 reacxxz7k/9gs; f.-joatm )ae9td a newspaper held 25 cm from his eyes, if he wears glasses off7a9j-o.azex t xc/9);m tsgk
+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 neayc7wjj ;6va y)k,js++:bzcv ir point of 25 cm. What is the magnification of the lens for that person when their eyes a;i6wv+k ya7, c):cj+j v sbzyjre 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 3dt.b7 ki uwaed ng 9pjjnp/g9pe+,(910 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 at their near po,pnp (9utgb3j+ j/7d n.gikw e9ae9dpint?

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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 magnificattox s()2eaf +0:u su rn69a64q uqyvdxion if the image 6 s94:adqty 2ex(6)0v uur ouns+xfaqis 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 convesa7m qpw m,eh4pp) tip/.1y,brging lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible m,hsw,m/7pq )41ympaei pt.pbagnification?

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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 a magnifyins. (r b-57w il br9jk2bi0yawag glass. What is the magnification if the person's e krji .l97(rs25iybbb- aw 0waye 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, and 16.p4jk x10c vv-o0 cm. If you were to use any twjk4ov 1cvpx 0-o 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 focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm.x-6e d xlbmvcqc+20 s)zv;( pk If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification bmek (l)+ psxxqv ;vc-6cdz02telescope?

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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*bg+(kuwrd9 a lns5/hr :e;se and its eyepiece has a focal +/ gsh* l r;u9 rw(5k:eabnedslength 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 xobh)as7 v db7ws 33n.of 10. If the telescope has a converging ss73xv7dnaobb3)h .w 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 astronomical telescope with ancsbrom95q95us c+9 x magnification of 10. If the telescope has ro59 n+9cxc9sb uqsm 5a converging 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 a 10X telescope. If the telescope isi,/smxqb8+c4iq7 x ag-;td mmlzf8 s7 limited to a length ofq ;-tfbix7ma7x/qg +i 8s lc4m8ds, zm 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 objectivec v0ioi 0tq-v :sf8(tx lens of focal length 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 8o ciq(-:f0s0 x titvvfar 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 le(20h.e5i uj:j s 6f.aqutnfl mngth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm fu6 na:. 2u .msf iqt(he5lj0jfrom 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 d)qg5o mi8-3y2bkno9s o 8re +fbk(eoand an eyepiec2q8k no5sorefe- g d3o8+(o ki9mb) ybe of 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 has a 18-cm barrel and an objective with a focal e1yz* oxbr9 e+length of 8.0 mm. What is the focal length of the eyepiece to give a total magnifr* ez+e1y9 oxbication 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 733juvili4 p)lbd- bal4l35 orbs/rf 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) telescope that can just resolve the two 433ol4s ibvjl f rlibur) 7ab -/3p5ldstars?

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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 ajao.e q3x5 3xvre 0.010 mm apart. Ifxav53e jq.o3x the focal length 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 3. g/qcd r)m) 7)moopa8um9dxu 65 mm to 1.5 mm as the illumination is increasedpd)q7uaurgm6o)8o d)/cm 9x m . By what factor does the minimum angle of resolution change?

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51#
 
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  The 2.4-m reflecting Hubble Space Telescope has been pc; 5opfto. 3ampb86 9nq bq71idwbl:vlaced into Earth orbit by the space shuttle. What angular resolution could this telescope achieve ifa5nd3 obf:q19 ; tp8c vqw7p bmblio.6 the wavelength is 500 nm?

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