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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://51fly.win/test120.html  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。
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 游客未登录  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 shuttjn i+tuan:j. 1er is open and the film is exposed in a camera is determined by th.jnu:+nai j t1e

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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 f3)ptbt(otqa8v4k q(u 6o +p6v,dwwht ilm 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-filiqa1xm +(:81pg atbvum distance may be varied by sliding the lens forward or backward with respect to the camera hou vt:pgiu a xa+q18(1mbsing. 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 correskejqmcak ;xz/f; u5 +,ponds approximately to that of normal vision is zkj,5m ;q/ue x+cka ;freferred 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 li:8rdtb(( uh4gz tpjb +ke 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 covers the film with a wider field of view th0*l9;c l gc;5syv) /tkn yewvgan that of the eye and through which objecl/y; cg)tw*nskygvvl 9 5e0c;ts 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 different from the human 8z1.,h8 i:rcbxn b cqiy lthm;.vt2)peye?

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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 occur*i9;qfi 6 dc6r-n/ n*h;pmlepavis u 1s 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 ey5ymql04b:c9ahmm jmaf4m *,ye 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 can see objects clearly is 75yak-p- mxvff(jck 7

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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 bflb4w qp ; -x 95gf;9e6yznyhfen c7u8ack, the person is likely to suffer fr ;huzne9f;npe5qby69y-4wc 8gf xlf7 om

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usualnb(*7f2 j r1ho nb+ l:z*ngognly 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 frovtvqi4-p o5 )km front to back, this gives rise to a vision d54-t i)opkv vqefect that 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 fron 1 vkd9p+cha3t3es4 xd z38ukjt to back, the person is likely to suffe8tjhk 4zp c93xd3d+3uev1 skar 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 witc/zbqpb5epv 7)sg/: ol ep o**h

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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*:1;fo.mua8o2k lv0r g2j q: 6 ipyj oh6irrqo too short from front to back, this gives rise to a visionhjqol2mi6g r:yojof 6r ir.apv2;q:*uo8 0 1k defect that can 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/ 0ql.pccpl6m(hyxb + 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 fo5fm 69u4v 6jtv;hti;zvv p (por using a very large diameter objective in an astronomicalvhzpm;p f ;6tv ui 6(jto954vv telescope 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 formppvb +wa(cr;6efar c 73vvu 92ed by a refracting telescope. Suppose an opaque screen is placed in fu37bfp a;+vvvc2r e(a r9wpc6ront 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 visib/ e+( d thm+tq*:earxtle 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 telesctea( qe/ +dt:trhx m*+ope 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 magnificat,/ 12 jechqqjuion $m$. 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 expls7t 0l+i4yep ect to be able to see the greatest detail when using a0+ipll7 ys 4te 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 fro 3 ex 3jntd9fd5 7rnxvipj n01vjkt/5*m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffexb g m w0bnxjcp0./5r-r 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 abilimx(5n3 a)trrq7en xq pf+7)fb ty 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, whatlo han;alya)782 ku(zq/bz ,o happens to its resolving power assuming that all other factors remain unchanged? /nk a z uao8q,hy)l(z2al;7bo 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 ( qoys7jj d84g)in diopters) will allodo)gs q4yj 78jw this person to 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 alx 8j dw39hbtr/ 5j8lhway. What power of lens should be prescribed if t jh8xt/8l rj hd3w9b5lhe 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 whose lenses have u u56o7oze07b eqpf:hpower of -0.15 D. What is the person's far point if the glasses are very close to the euh 6bop05e7 z:o7euqfyes?

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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 corm 8p 1ytwp lp;/wng++irect for farsightedness where the uncorrected near poin;wmtp1 g p+nw8pyi /l+t 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 glasses c2dcvo9 + r:jwjlose to her eyes, and with them she can comfortably read a newspaper at a distan2jwc vo :j9+rdce 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 jmk 4t00cnn+se6xd-8h bovcjbmad (i.4k,8e eyes, if he wears glassesed64eb jhbms0xj ocn8dat(8kc4ni-0+,k m.v 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 foc 9zcbe7.trhd3al length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens f t3z.7ce bhrd9or 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 w-oy qc3u z))ytxke5x-d 1k7 bcm. A person has a near point of 25 cm. What is the magnification of the lensxy)y e7 3kuqztk)x- -d b15cow 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 foc7b no n7f6fm*yal length of 7.0 cm. What is the magnification if the image is ob7y*6n7 nmff 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 zm q,rd./sj :slength 5.0 cm as a magnifying glass. What is t s,zr qs/d:j.mhe 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 a magnv es- wlk9jd5h19:g4vm1j yml ifying glass. What is the magnification if the persony9j vl:wj 1 g m-v4de1m59lskh'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 pgn;; t;-ogey1a6 bb p2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of a p;;1bot-en gyb; 6pgthese 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 18 k/1lr; 1 cwjvjl,srl6 cm. If you were to use any two of these lenses to build a telescope, what i,s8 1rr llj;k1wljvc/s 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 200 cm and its eyepiecew- mvnx0( h7bc:l el.o has a focal len(lwmce n:x0o7hl bv- .gth 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 magnificaow,w b8n i d(e,:wa,krtion of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lengthk,, (er : b,ionww8awd 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 a magnifil2sr/my0pz4v qeks p hf y2977cation of 10. If the telescope has a converging lens of focal length 5m9f2s2/7veq phr pky074ys zl0 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 tel*5/yh.p )9bdxz s*br,n zruob escope is limited to a length of 20 cm, what is the approximate focal lerx *b/z.y59n,b*rzu)hob sdpngth 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 length 1.4 mm and an eyepiece of ,7ov/ o/zgkoe focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are theoko7goz/, /v e 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 objectives +6s gzx-(i6bpzmvx, lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood ss6pv (sm bxgi,+z -xz6ample 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 objectb t7prp7h ( 5kmzi29xlive with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separate77p9h(mr x2tbpi 5z lkd 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 hdgsz fmmnzdm:9g04/)as a 18-cm barrel and an objective with a focal length of 8.0 mm. What i z)mgmm :fz4/09ndsdg s the focal length 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 constellatio*)blq f di,q1un Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system islb*qd,i 1q fu) 500 nm, what is the smallest aperture (diameter) 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 microscope is designed to resolve objects whichl) nhhbko,+s z d9jwltu) fyn).*g z,* are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelengh st*u )z.ond)wyz ,f9n+*jlh)bg,lkth 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'siv*m p:,fhdg2 eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle odp,mg h fi:2*vf 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 Earth orbikey +u5rh4u7h 8 q.tspt by the space shuttle. What angular resolution could this telesc8hqeh4ruy. +up 7tk 5sope achieve if the wavelength is 500 nm?

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