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习题练习：Physics Unit25: Optical Instruments
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 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 dezj 43eah/aekh:u4oo;xe6ldw*in u ) 2termined by thzwkhe3 /2eajho ed6ua;ox)*n4:u 4li e

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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 therqe qkhfk0*au-:u6; ;egtj gbego-)3 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 snr8egmt 3weww +k9 v+-liding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture igk8wt3+nrv+ ewew- 9ms 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+ g.nunf1l2sa eld of view that corresponds approximately to that of normal vision +2 gafnnls .u1is 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 . h4w 1-xrckvr)n4madmrde*-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 covers the film with a wider field evh cprfvx r5m3p+sk.6 c2q5en0k1 m4of view than that of the eye and through 1hcp ek0 c+frvm43 s.pk 6xe2v5qn5 rmwhich objects appear 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 -qtufb-a*6ze + xfmp; 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 iw7fz8rr kuf;p1w5p; light 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:kedn:1-vtzolo x2 ;p eye can see objects 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 cap6cos0-f3 lkbtr79ek gedk2 *8 eb y+c4zaql0 n 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 88qp)k 7x camb(q5 hd eh3/esyis too long from front to back, the person is likely to suffer fr8yqp (amc53dbe h 7/x8hsqk)eom

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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 cn9ix1t- e qnk)owy2b,orrected 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 gn5.dx;qj7 w yiives rise to a vision defect that can be correct i.;wndjxq75y ed 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 -gj.jn3h,bta short from front to back, the person is likely to sufj,g3b.nath- j fer 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 corrected wit. uadhvd pw82r,ilrxi -;)-dqh

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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 fromy +p4jkqyv) *1+kyz;enco f u7 front to back, this gives rise to a vision defect that can be corrected by 4y ;1 eypfnc+jy ok)k*z+q7 uvusing

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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 magnifying:9slk9c7y m q+ui fvx* 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 obyz gyin a2)w4l 9a jmjde+ghd 44nl(wq4:gk.;jective in an astronomical telescope is; l()w j9 ga4akeni j2yqhmwznl gdd4 y4g4+.:

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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 opaquel h-,2+tw 3i;pqby2v6ue n t1o 9ypisq screen is placed inl-6yi 2+pewy h3oqqn ;vitbpus 9,t12 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 sensitivity throughout the v3yxviz- 4*vjz isible spectrum, in which 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 *-xizvzy3 4vj 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 magnificationy/*s wu+ wn4p2:p ii*urs 90u8eezdr1msm5hb $m$. 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 greatestvi v7i 5dack) i,t/i9h detail when using a microscoii,i hvad /iv5 k7t)9cpe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufvqsdz-/ekxp: q(zr-/ wh s w*/ndrv 30fer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffl9t6i pnax 77aer 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 microsc.nayw-5m q2jfbh, , zcope 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 iyu8gs8.nlzz/a x3cbl c 8**x its resolving power assuming that all other factors remain unchangecxu y38na8 sll* zb*8z.icg x/d? 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) wi 6aziwv c-d5d5ll allow this person to see dis d5a6iz-dvc w5tant 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 podz/qr zr fl(0h *ugm18wer of lens should be prescribed if the glass is to be worn 1.0m81*0l hdz/gr q rf(zu0 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 glasso4 n8f dvk5qe8n w.zw s:w30cges whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the e54wowzn nwgsdc e 3f 08q:kv8.yes?

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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 wh ntl):7yxld/itd )3myere the uncorrected near point is 7 7dnt3ymil/y :)t)lxd5 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.8ygp6 c ok72l1zv2+znflzm* p She places reading glasses close to her e nlzp72ofcy1 l 2m pvzz*g+k86yes, 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 -h k t20jels1e25 cm from his eyes, if he wears glassee tl-h2k jse01s 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 hasj wf,o3)8 sjycbs q81o a near point of 25 cm. What is the magnification of the lens for that pecs fj w1 boyo8q3)js8,rson 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 ci 8x+ czyobet i1z5ax9c7l 1s2m. A person has a near point of 25 cm. Whao8ebcc 5atiz9xz1 2i7s +lx1yt is the magnification of the 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 magnificankl a;qz(n7m g b85**ovelr4 etion if the image is viewe(am;8 le*4oq 5nr7l kb z*vgned 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 magnif zjbm6ttp7qz;.l 4r4 zying glass. What is the maximum posm j7 .bpt z;4lqz46rtzsible 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 9 4; e0.1m/5ku8bkw duaaqnszacokb+of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eyeqb nc.zk4+u a195a0o km8;aswb/d uke 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 16hmwvf+z/u4 td vk6*qxmb 12( o.0 cm. If you were to use any two of these lenses to build/mfwxz mq6t u+k v 24*ovhb(d1 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 c4sfa7s yyvb5af3 ;p3 cm, and 16 cm. If you were to use any two of these lenses to bu7 ;sfca5y4 ab33pf syvild 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 leng lb*3 dc7gtdv:j.4zj iq z,cm **h7dvgth of 200 cm and its eyepiece has a focal vh74gcic* ldbdv 7 gjj:.t* d*z 3,zmqlength 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 of 10. h9d/jqrlbjju+7 ar,4fqrslu6 c1e.e4d (pb4If the telescope has a converging lens of focal length 50 cm, what is the f+9j41u4ub(jsbhd .cf qe7/6 jl,ea 4 dl rrrpqocal 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 a();/ cyjnjmqb n astronomical telescope with a magnification of 10. If the telescope has a converging lens of focanj( /y;) cmbqjl 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 is li;f leeqnn2k ;7mited to a length of 20 cm, what is the approximate focal length of th;f; 72ee nlqkne 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 mm and an eyepiece of focq/utpa0kd1 2akj3b st,idfo-wj106 z al length 20 mm, adjusted for md3,a6qsz0j2d0kwt ukpo/b-ji1t 1afinimum 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 vul+zw58 d3og c (5rlvu 2i7uulength 1.4 mm and an eyepiece of focal length gd z uu52vvi58ouur c l3l+w7(20 mm, adjusted for minimum eyestrain. 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 wiiyd3;lq0 pem 4th 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 ismp; e3qy4di l0 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 xit.t wtd q vs://ng,9and an objective with a focal length of 8.0 mm. What is the focal leng:t ixt.qsnt/ 9d/ v,gwth 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 angl6 yztw -lo*n7g+i/flef z;w 9ular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diamt +6* ;zgllyiolfn/w79wfze-eter) 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 microscopn cy7+sv4e 59e vj+.w ij(crnwe is designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what i+ jre75vywi 4ne9js.vw+(cncs 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 diametery394vnpkh ( tk7pm3fbh4zol/ of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolutio4kh3p(9fzp7 3/bh m t4l yknvon 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 H lc4r(prnj*i hs5 eor)73(zjt ubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular r3r(*rcoj 7t(5zp 4li rhejsn)esolution could this telescope achieve if the wavelength is 500 nm?

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