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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 shutter is open and the film is exposed in a camerc9v8:vu3 e- mqlbmd0i a is determe0c -v:u mlb m8qid9v3ined 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 camera 81(6nn 9y)dpjkbeam tji+1o0 h trow5 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 maymz/*/ jqiewm 4 be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy pict/ziqwmm/*e4 j ure 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 (66xaqwqx vul; no:n jj b4s*9film with a field of view that corresponds approximately to that of normal vi6 xn; vb x9n(*oqsjw:la4qu6jsion 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 actve5 vscvymbl4(96p( os 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 covers the film with a wider field of view than that of tw))b9 tzu7yqsz :c+yohe eye and through which objects appear smaller is referrewo q cbt)z)y+s7yz9u:d 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 eye 0 mo0pr;t-x 1 2xbdzmejx;)nz?

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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 the5rjan4 ey b ylk4,b4pg(* 3xef 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 : m h7j g0v0xmprt;dqu)lt0/dpc; lx6ne9 ox:at which an 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 edp, np00.le g glptv+/ye 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 likely0iao*rcdomcp* 1n, *q to suiro qo*p a0, *dc1*cmnffer 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 correcte -ckrmpbfn96b*l thv ;o1u 9(ad 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 givu v.- ixdj7h09dok2+y y3q oiyes rise to a vision defect that c+kqx-2y3yh .9yvd ijd 07uiooan 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 person isfv f8oir9ie g 2/7t9pl likely to sgf2l/ipteo97fri 8 9 vuffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuallyjf2 o-w ee c)una)*p9l be corrected 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, thisxo npt76q9o.z gives rise to a vision defect that 9o p7n.6tqx zocan 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 3j t,k(s-lk/vv5h)o q uy :jmxa 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 ve 3 ,thc/g +it9;vkmi5 g3xnfpqry large diameter objective in an astronomical telesckhm5if ig,tqc+xpt9g 33n/v; ope 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.-g,ovax+8 z0vjfovc5pd2s n se 4 ra38 Suppose an opaque screen i rg8fv4scna2s,a8p-5 vo0 +o3dex zjv s placed in 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 uniflq9jw2s 0q*lo 7dtb1pvzik z ke-+s73orm sensitivity throughout the visible spectrum, in which of the following cases would you be able t3j9tp1ldoz - zkw*l 0is7qq+v ke2sb7o 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 telescop,-pd:hp7 +opi sur4eozljo ..e has 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 to berxq*. tnov( (7nx ymb8 able to see the greatest detail when using a microscope?t q.b 7vn(8*xoxm(r ny

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffey9i rob)i.v,6:nh pvwr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fryh5mx ig:zg5 q;kt 91zom

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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 mic:1*e/ yl xcufn;hmh r5roscope 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 radartr gmmur. 2ol 0g733wv dish is doubled, what happens to its resolving power assuming that all other factors remain unchamou0 m3 w 2rv3.ltgg7rnged? 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 len2hh i w)8nyhu7s (in diopters) will allow this p278wuhn) ihhy erson 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 wo z-t ,bcr28.:awg bnaway. What power of lens swc.n -awtzo:b b8,2r ghould be 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;ktrvlot0p/1zi au(o r: 6e9p wears glasses whose lenses have power of -0.15 D. What is t0 :;l (e/ak zp9ttop6ior rvu1he person'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 ne5/x /g5ra pgoteded to correct for farsightedness where the uncorrected ne5/ ggroxa5tp/ar point 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 readinkkdsck351bsn 769 p dyg glasses close to her eyes, and with them she can comfortably read a newspdb9ckskn5spy 71 d3k 6aper 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 qcyqu:mrwa z3 /zw9a(ep k74r;32 atyeyes, if he wears glassewp7zcwz:3eyqua(a t m r;k2r4a9y 3/qs 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 of 25 hb/xv9; n. wd uxain-2cm. hi x;bx92 u-w.adnv n/What is the magnification of 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 a; v0s:dtrbrtccv94g 9z +q pv; near point of 25 cm. What is the magnification of the lens for that person when their eyes are focusrpvb4c;zv t9+rg 0c v9q t:sd;ed 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 (k u+wp2s2.jhcx4x iyis the magnification if thcpj i.x 24 2uxykw+s(he image is 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 length 5.0 cm as a magnifyino)nomsw3q/)m.zkh +j3z j0mp g glass. What is the mmq hj+33wnm)p o ojkzz/s).m0aximum 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 lengtthdy .o.( ljm2h 5.0 cm as a magnifying glass. What is the magnification ifym j(t2d.olh. 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,fa4uk6 glpt mb82t 0m focal 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 maximum magnification you could achievemt2pflm 8t 0bkga6 ,u4?

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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 2.0s2b8ice /y8 e q/;iver cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any;ese/ yeribq2i8/8c v two of these lenses to build 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 le (jlpnzh,*o4n ngth of 200 cm and its eyepiece has a fochnop, l *z4(jnal length 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 astronomicalws m:surk 9h:* telescope with a magnification of 10. If the teleskrs9 :um:s*whcope 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 rua lwm)kth,qg 4y vm69q85q ,astronomical telescope with a magnification of 10. If the59kq4,y,hq6wq )t vmmr g8lua telescope has a 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 te8 vjw17 tvm9oeou 7bs.lescope. If the telescope is limited to a length of 20 be 7.m7ouv9t 8 jo1wsvcm, 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 objective lens of focal length 1.4 mm and an eyepiece ofp,gw8ei lugb 86/m,iy focal length 20 pymg6 , wieb8ul/ ,g8imm, adjusted for minimum 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 l7yjx )d,7w cjb 3z)hrgens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyesth b7jycr d,w z3)g7jx)rain. 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 objectispv3/ mez;b.g v2,w2hy1 df3rzcydp:7v eu 8mve with 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 cs:;yz 1zm.u3w/mre y2bf c gvp,8 e3 dvdh7v2pm, 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 az0k8hxdj- f1v 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepieceh-d1kvfx 0 z8j 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 an4bp;b/ndk. constellation Orion has an angular separation of 10-5 rad. I;4 na/kb dnpb.f the wavelength of the light from the system is 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 resohc4f s;*j56f0ajtvevlve 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 is the diameter of the objeej64 tfasvfv0cj*h5;ctive?

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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 n6u /kdu i31i)ffuo yf0)e i:zas the illumination is increased. By what factor does the minimum angle of resolution change?d efif i) yku:)f6u /zionu103

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  The 2.4-m reflecting Hubble Space Telescov8/.8 1jgi dfp e8uglupe has been placed into Earth orbit by the space sudjev 8pgi.8u/fl g18huttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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