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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 iso 6/c.o bggwhj: 4(blr exposed in a camera is determined b jbowc.bh6 g:(olg/r4 y 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 jc: i(1bkkjshzu bax3 p;tm0 ;e3z;8ea 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 ,f6ke y3 a x0gramz-/icamera the lens-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 is obtained, this means tyxki/3r-fg60 a,z aemhat

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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 ,ie)uw6vp:oq sre94z ym*ox)field of view that corresponds approximately to that of normal vision ixv*m6 :,o4yew9e)ui o)s pzrqs 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 magnify images is referr*x,6:f xfk gm /6itzmvs4g: mfed 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 thait 8h.dd./u hrn that of the eye and through which objects appear smaller i./turh.d 8dhis 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 wgtw*q- nrq rupf(;2d;w-/:uqou1m:9c ka dud 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 light by the eye gdsoi02uy g c:g9g.r+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 objd1hia5 nffnqr cv(* h(l)2c,n ects 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 objecc. ,-dxfbho7o4 uk6nfts 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 lx m-3 jhq p2la.6.eyo a+jksu-ikely to suffer from3 --y2se. +aoq al.u hp6jxmkj

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usua(dfa pusdy:6tix:( t+lly 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 front tog wgka9zebf4.h o2b l3.ju-- t back, this gives rise to a vision defect that can be corrected bt.- gh4kluzbabj9 gf 3 .o-ew2y 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 is likely th+/fgo, ww z-io suffer fro,-g ow/f wiz+hm

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualtirdp kz9f o2j:46d s;arh6/ 6ta nux*ly 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 isvnh do72;q/ yp too short from front to back, this gives rise to a vision defect that can be corrected by pno/d y; v2h7qusing

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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 g3q*wur-bo fhi3 p6lc+lass?

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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 lfc g2u gq;-7nparge diameter objective in an astronomical telnu2;7 g pq-gfcescope 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. Sup6 x/ds2 nljmfr5sr*n)pose an opaque screen is placed in front of the lower half of the objective lens. What eff) j2rsfrlds nxm* n/65ect 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 sensitiv j/o;ajy1osp c8xlm19ity throughout the visible spectrum, in which of tm xaocp19;/ lojjsy 18he 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 n wem7iwlgl(x4z97(s *sxg,:;cshp fmagnification $m$. 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 greatestirv7s 2ui)uq, detail when usii,uus 2vr7q) ing a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff zr1cpn f :er;4mh4)raer 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 froqgj2c*q 3 a9,m m3pnjdm

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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 abizqh2 -k;vsrnpn+ 7l *tj0rw 9dlity 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 resolv of *+mf0,.v:x zlylosing power assuming that all other factors remain unchange,lzloy+.fv f:o*xm 0sd? 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) w4fxq;s3 /194 k gmv gvc)wcvncill allow thisq1)9xckg4mgvf / vwv;n c 4s3c 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 cl0j:hxmh;2-bx9nwi fr early objects more than 70.0 cm away. What power of lens should be xmh2 9hxnr:;ij- 0wfb 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 whose lenses ha6o,mh f no* yo*(y)akp dn/ a;vyzku.7ve power of -0.15 D. What is the person's far pointn* y/ku7aoaykhf;y(z opdn m6,o) v *. 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 correctq7 74juj) j.oz wtkos)0i 1tedyx2jd/ for farsightedness where the uncorrected near point is 75 t)7t2/ u oqjjxd7yw)d1kj .z 0ejo4i scm?

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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 gll )mngy2 1 f.g;*kuzrbasses close to her eyes, and with them she can comfortably read a newspaper at a distancer1)2l ymk*bn ;z .ggfu 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 r2m-o/fhi cax4n z:qd5ead a newspaper held 25 cm from his eyes, if he wears glassqa5z/-nic fx2o4 h:dmes 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 ps5 ;997zgr sbdp r;rh:pj0qojerson has a near point of 25 cm. What is the mr jbr 9zs9d0p;js;r7q:go p5hagnification 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 foca/j2xb(p ;qblel length 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 atx2bqbj; (pe/ l 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. Whabo+i+j7 em 9rat is the magnification if the image is viewed by a riaej+mbr7 o9+elaxed 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 conversia0yx o.d15sii8 o 1zging lens of focal length 5.0 cm as a magnifying glass. What is the maximum ix.8 yiz5si01oosda 1possible 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 foc;t k: 9buycq;)dltba8al length 5.0 cm as a magnifying glass. What is the magnificu)k;lt 9: bby8tca ;dqation 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 focal lengths 2.0 cm, 4.0 cm, ;xg a :,wpprcj:-xp-a8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is tpa;cj:x:g--p w a, xrphe 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 2.0wv8:/mun6 *h p8,hkst8fim dr cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of tiv8 md:/fhthm8 w*,rks68n uphese 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 ar(*8g wvwmea1 lp(z d+ focal length of 200 cm and its eyepiece has a focal l(g1* zvwdr(m lep+8a wength 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 constructs2c 1o;jzn iax)+f jy7j an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is t2x1cy o+jn;i )f 7jajzhe 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 telescopez 4 a:x kwc7 u07ing3uz5o(tnv with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescopnk 7v(uzog nut7zi:xa3c 5 w40e?

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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 telescy.bjlct*cjp1f l. cvg t.-6(uope. If the telescope is limited to a length of 20 cm, what is the apcb uc(.1 yt*6ct-gfj.pvl l. jproximate 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 ey7a 8lew+uxv itio +uq m4bq5;*epiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. 8+avt*x4;m iqwiobue+l7qu5 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 lenazdj 2n-kcd. crccr;t 2(y(w9m )y e-ygth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyes)(yzmnj9y2cae .r cydr- 2- wd (cc;kttrain. 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 objectiv dfv3hnick51g2 (nv u)e 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 cm, what is th()kgn 13 ud5ncvifh2ve 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 jrz + gyg/ 2kty50z;gzrd9jnd5ni1b6focal length of 8.0 mm. What is/96ztn 2gj05g+ j51gy nbdyz; drrkzi 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 constellation Ojc:zbx * h.0xt4uz+o:crp+riap23v83r sz bk rion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest. z2 04t rhracszrvb:cp3 :*jzkpbu+xx io+ 38 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 isgw 4nl)6lkbyuo1i-2epu 7 n h- designed to resolve objects which are 0.010 mm apart. If the focal length of the objective p-un ylwe 42lh6o-u )ki 7g1nbis 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 3.5 gr/t 3ql 8kq rp73my84ka g-bgg4z;uumm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution / bg k8z ;yul 344g-p rqu3g8qgr7tmakchange?

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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 haq-iv8 k,k qh (,3oqg xy+s6iorbit by the space shuttle. What angular resolution s,qgkh+(-v a q,xhi8iq oyk63could this telescope achieve if the wavelength is 500 nm?

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