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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 andpjv;c vvyhlr e 4s,6*ed*/*ai the film is exposed in a camera is detese6vl *,/ v v*yhcap4;ed*r ijrmined 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 fili i 91w )*+8 hqopuki ubkqklel53ig.8m 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 wac p8 stqj g rgz)rq2o5*h4)(be varied by sliding the lens forward8r w(4cg jrzs5gq*ht)) op2 aq or backward with respect to the camera housing. 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 fisb)w6k 5ys p.xi,qeq3 eld of view that corresponds approximately to that of norm )xw6qeipyqsb5k s,3.al vision 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 acts p2a1mmg mw;xp5pj,y 1like 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 wi-4*a pm sd0ddj(md*)c x-wyedth a wider field of view than that of the eye and through whicm djx m w)0dp*dddy ec*-(as4-h 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 diff-,ez997gn4z cg/ k d3urfc rkberent 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 bin l qg 5r lr6t;8;jedt;w pij,/hmb4,y 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 can s/w ,yx 62vwk+ feikw7p *wpxmhb;p;x+ee 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 u r8q ;rpp2pu;qb+ 5clts9ni 0;rroo) which an eye 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 likely t o6iw 86baue7po suffer pa6i obwu e768from

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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 correq x98perd 2kyo)24g duprw ;n7cted 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 frogmqnd +gbk38 vo1j64om front to back, this gives rise to a vision defect that can be c6qg4+ d3oobgkm 1jn8v orrected 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 is wt f pc(.gt2hhjv49(e 4p.xs kqr,rs,likely to suffcpp,rs erhw9fs(.j,q g42 x(4 kv. thter 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 correq 9xtln*8;sbc( z wjsk1 ,th*pcted 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 3lpsdp30n g n1,tqag:from front to back, this gives rise to a vision defect that can be correctn la:0 ,q pnpst3g31dged 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 magnifyin6 g4n4hvr/u iwg 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 d4 h.l4qfe;kph iameter objective in an astronomical tel kh 4pf;.eqh4lescope 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 formy.d 03ka;gfmhed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What efdfhak.30ym g; fect 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 uniforhhpu/tyjuqo0)y:l4pb 6 z5(a +gg d(h m sensitivity throughout the visible 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 lenph)ag+gh:pldu 4(q b 5 hju(ot6y0z/ys 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*;pux(c 7 ftl.udupe 5e 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 be able to see the gr9lmk(6ubd n i4eatest detail when using a mibn6 49md( uklicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffhhbcpn z 1wb8.82z/ yner from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferh9iu(jlo b4 (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 micro1tol o 5-7:hvc pomwk3scope 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 its resolving power ,dyvy3.xqsbo71q / gq asq71dqg3 x. /qsyboyv,suming that all other factors 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 point of 18 cm. What lens (in6n pqy .,-y1jn;slvx9ilu;8 +xiy rza diopters) will allow this personyxy 8nylin j9-.l6aru; 1z+,;is qpvx 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-uy /*1zjl our cm away. What power of lens should be prescribed if theur1 *oz -u/jly 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 weaocgi u+7)77c4o p4hyhn2wvmwjn611zwxe xe 1 rs glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the pn c yon1cemvxw)u6o 7 7w74 wh41exg2j+zi1 heyes?

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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 7 (wich tbn.xr:lq3 fqqo.;w0 where the uncorrected nean.fq3 lw trhio(w.0q c;:xq7br 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.zaq h6st3:dutt :(b1 gq8sazz z16 ig) She places reading glasses close to her 3tdz6 1ts8zt6 : z)iqhga: a g1zsqb(ueyes, 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 25 cm from his eyes, if hwqgtyp.w 5*:me wears glasses .gy5tm*pw:q w 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 han5; h2 mlh89y vndaa7ks a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infinity; dnh97ayv a5nkl28h m?

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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 1ri oy9+ l3u5bj0 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 at their near puy3bir+lj5o9 oint?

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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 magnt y6rhfv*oahspv- 9x+e0 le+7ification if therp xh+6 h7l e-f+o*tes09yav v 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 conve du*yt1ba+2f srging lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnifiy s12*tdbu +facation?

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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 of49 i0s1 v21kfuvxxo ws focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is v2xs4101u vf ko9s ixwrelaxed?

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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 16.0 cm. 9e cg,.i.hi*luw4kmidq q79l If you were to use any two of these lenses to build a telescope, what is the maximum magnification you coulcw9qi*i de,qmh g uil.. lk974d 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 syvh:o a;wm3ugtk:9k5u* ,sufocal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses tkw s3tv;uu,s:5m u:gahy k* 9oo 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 p h0 s c1lo6 )t::d*1nvfc jn:ioaalt1focal length of 200 cm and its eyepiece has a f1fp1ih ) na1tco0v:ls6od*:nj:ltc aocal 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 telescope with a magnification f u:xs 2qjzs23jfx3xxmb ef5ub3-+r7 of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiece-u3efqx+b r z5s7 m3 32fxuxjx2bjfs: ?

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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 magnificatio ./4hx xgwqjk)ovzl * nv3k7n8n of 10. If the telescope has a converging lens of focal length 5qnnok / v 3w.8*x4zlgkj7vh) x0 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 limited to a len.vchek9(n6;r q*oo n egth of 20 cm, what is the approximate focal lene9noqc6evo (kn ;*h.rgth 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 mmdw9jdj1 wm0dsq 5i/ -l and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. Hom-l1j wjd 5sw9i d0qd/w 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 lg)bv/2 xey.y1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the ove/ )egyv.lbyx2rall 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 objexmol s v(k tilj w)/w w,o4:b5p8+1znnctive 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 the total z)o/ ljln:4 oxpnv81,m wkt+(bwwsi5 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:u8-0;as(ut zfu u joz focal length of 8.0 mm. What is f (;uu0u :tazu8js oz-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 th d wu-*fbrd08twjp9r3 s:tp-9h jmix8e constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, mf0b*tx:p djthsup9 r--38r jid w 8w9what 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 de 2+/t48shibbz losgtn 6 rdm,*signed to resolve objects which are 0.010 mm apart. If the focalzb48 6bt itrm sn+d* lg/s2ho, length of the objective is 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 mm,x t (tvkuhu/8q,/ xgw; lmjw; to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resoluut;hg;jm/ (w q,8 ktxlxvu,w /tion 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 beeh/b pp/( l2uaqn placed into Earth orbit by the space shuttle. What angular resolution could this telescope al / h(aupp/qb2chieve if the wavelength is 500 nm?

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