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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://autodiscover.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://autodiscover.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 -im2 rov ;nt;ba camera is determio tbm;v-nir;2ned 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 ref2rm 39tb4sizl+t)9 z*ltwphaching the 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 variedfmjy *1w90vt yo)(qjb 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 *1q(9fyj v )0 mjoybwtthat

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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 viewq vm w,hbmrc/ fg4sf/k230g7b that corresponds approximately to that of normal vision is referred to ass/3 0m gm g4k7wrcfb qv,f/bh2 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 referred hicbv :d h(k/3rie1l6 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 withxlv- n5(swv9 h8uwdj* n yfa;; a wider field of view than that of the eye and through which objects appear smaller is referred toh ylnjds8xvfaw9;nv5wu* (-; 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 zk 4t-mkavx o4)x3ni+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 zju9 (xl;,;;;g d mombwkwv9jlight 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 c rdseyf fk6+*:an 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 clec/q)s m5fbb gpg:7w* farly 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 pznq sk8h9* z5v0 xafj1erson is likely to suffer fro9hs*a zxnk18zvj0q5fm

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usua3 b7qkap1gr nhm3t5 s8lly 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 to back, this gives rs3vto5tv s gyc/-5p x8ise to a vision defect that ccvxtv t - gys58ps5/o3an 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 per 689;irfvbu ck.ru2f 93w owdu8gxw-tson is likely to sufww6uxu r2durf8bvifc-tko3 ;9 g w.98 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 correctedjz) f9u ld2pa rw.eqth4c-,7 d 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 *rd)f n4ix-x+humf,k, this gives rise to a vision defect that can be corrected by uxu*f i, xdmhf) -r+4nksing

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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 glpyvi 8lr75*j dass?

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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 la; -umb de)oo*5nkiva6n4q8hxm;qo c7rge diameter objective in an astronomical telescopd ;vooe;7n)c8 xkbiqma-nq u o m*h654e 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 telb( g3 pp)u:udeescope. Suppose an opaque screen is placed in frogdbp u3: up()ent 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 c cggz3 e,:c24tf5a xfvisible spectrum, in which of the following cases would you be able to best distinguish be 2 cgtg:53axc4fc fez,tween 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 magnification 0k;3u f2nfe2c n b*anj 7wdxiz (6(qlu$m$. 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 se gx:a:st5a3 xce the greatest detail when using a mxgx53ats a c::icroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufferiy4ot;on u *8u 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 f s wfnm3;zu9t6rom

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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 3 jcl vdifm:21a microscope 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 dou urur*tjpuc:y-5.:(dp0.cmvw n- k wqbled, what happens to its resolving power assuming that all other factyw* :tw p- rqcpkuc50nj:mu r- d.uv.(ors remain unchanged? 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 s8ip5 )9 ,*u8gbkdd7a)kl3 h)gheq0bjbn b r xpoint of 18 cm. What lens (in diopters) will allow this person tobgnhp8eguq dxijdh 0s8kr))lbb)b 3 a9k,7 *5 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 objecz 7qc u5-z0rw h 3ng6uv5)+ti9zero,:oadl hats more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1 6zcr-dlz,5uoeh ai3or9twv)7 0za n5: u qhg+.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 l -sos(g oljpj2z;s/iydf8 ( 6penses have power of -0.15 D. What is the person's far point if the glasses are very close to8pgj 2s(-jdi /os(s ;lp yoz6f 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 uncorrec*lxoybw;3 l62hua v0rted near point is 75 h; 6 r2owab*lyx0luv3 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 readinnh(ur q.rp b xez-y4vxe8py 2o0 cb656g glasses close to her eyes, and with them she can comfortably reayeoze8cp6qyhx4p2. 6bx rb0-(u5vr nd 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 25 cm from his eyes,lq0e;7r1 .xoi y t-.my,u6 lx mqkcia( if he wears glasr m .lm1,xa6(kuxocyi e -q;yt.l07qises 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 haseqzn : 6dkcy-u(n( w+pxk*r1q a focal length of 10 cm. A person has a near point of 25 cm. What is the magnificationq1 quyzn*(:rxkw p -cke+6 nd( 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 :rll))zv4 ymiz- *gw 9dnkaov9,rs q 7of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes9:9yd7vlq, oamrgv)n ) lzr* wi-4zks 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 magni35f nr20je: cm- dldumfication if th jcm5 endd3 2-u:f0lrme 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 foca5f4m+p vtn*e kl length 5.0 cm as a magnifying glass. What is th km+nfpv 4et*5e 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 magnifying g hxby i,-+a ncj;ud.)nke:hc,lass. What is the magnification if the person's eye is relaxe,kcx-,c:;iadu+byh nn .ejh ) d?

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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 le1 3.0twmtc*y7y ln nwzngths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If n0znmwcwt yl.ty 713 *you were to use any two 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 l hywc5c q9pa.8d; vhy0enses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If youahhcyyd ;c 5 qw.089pv were to use any 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 telescop gc;w5)itph1 pe has a focal length of 200 cm and its eyepiece has a focapp1igt5c); h wl 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 astronomical telescv47qvrz2p cu, ope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the foc2, p4rcvvqu z7al 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 a magnification of ubq,fuz -*9p j10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lenj,*uz- bp q9fugth 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. ; j 78m0k-fxxcznji 8rba6ev 3If the telescope is limited to a length of 2mjbxxrj8nvfc 86k zi3 07ea-;0 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 objective lens of focal length 1.4 mm and an eyepiece of fo6:mj.dfd lqj:zftmh81 p h/(e cal length 20 mm, adjusted for minimum eyestrain. d f6hlhdjfem.:/p:( jqzmt8 1 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 length 1.4 mm and .ivcl g8t7 n-ie,unt3 an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. 37 centigi,tl.uv 8- nWhat 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 anddz kbw(lic :nhxs8f.-s8 ;0(zbgedr1 an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificat;n lh(b.0z kdr edxfg1zsib88(w-sc:ion?

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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 fx8a*lw*s+ qsg 7g u/arocal length of 8.0 mm. Whuag ql garsx*8w/+7*s at is 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 Orion has an angular separation of 1- 6dvuwu9w ,* .rqxdh6pl2 zjg0-5 rad. If the wavelength of the light from the system is 500 nm, whhuu6lwrp-*. 2vd6g,dj xzwq 9at 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 which are 0. 2xweovn b46fkmz+a,8010 mm apart. If the focal length of the objective is 4.0 cm and af,4w vb6n2kezox+m8the 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 perso4exwzstdqv m +4 +q-5pn's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what faqq mwzp-v45 x ets+4d+ctor does the minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Sp28ue x2 yrrs6-uyvschz si; ,8ace Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength isiys;8rusr68,e -u2 z2 yhsvcx 500 nm?

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