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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 camerc/ xvid iix1 d92gi/m.a is determined by thevdixix2i m /91.d g/ic

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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 is detsbm)u r(5n2gt jb r 99,a(pjxqermined 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 th5 agrgrqe(5zpu ;91pz e lens-film distance may be varied by sliding the lens forward or backward with respect to ther5zzeap; 9pr5qg u(g1 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 field of view that coo;/g q+(crhn b 4ej/92cjibbe rresponds approximately to that of normal vision is r ehno+c49gcb/ie(q 2j b/j;r beferred 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 l5) pupf gelji fl)r)a7)-4+5fuo e kphike 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 the0 w/ :o:rwin.g22rszfi au/d2c+bav q film with a wider field of view than that of the eye and through which obje//2b: inw2v osz2 i:c .dura+0rgwqafcts 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 follr*cve13s yvxf4-jdur o8ohja h ,+h 5(owing ways 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 refracti,a.8clddu d9f hl9a0+ek - rxuon of light 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 ca urqrt4k54 z:fn 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 cfqj 9+ *vncdk3.nln q*an 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 fad r4 kf ijeuh(e;s3/d /-3xwxront to back, the person is likely to suffer from- /f4 ;ej hx(ekdxud s3rwi3a/

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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 correctedyr5z0q5oyssm ; fo7quncwe;,0/gh m 5 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 rl c6jrle6-s9,cq+fvfrom front to back, this gives rise to a vision defect that cale f6,sc jr+ -qcrl9v6n 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 persong)1 apa uom(q6 is likely to suffer f )au6mp ag1o(qrom

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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 correc,9h5mb udna z6 -snh3rted 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 to: 9v k5qds9ygho short from front to back, this gives rise to a vision defect thadvy g5qk hs99:t 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 mt8l+ 6bh+pbv2 s mw/ b v6iovs mrei20.bgih*3agnifying 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 verymikonolxjwke +o .v )v6*(es:v- as4* large diameter objective in an astronomical tele -6.okvk*xnol: s 4mavjeow si(v+* )escope 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. Sug )(3jljdongpd -7 )vxppose an opaque screen is placedpdjg3 x)(j 7lv dg-no) 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 uniform sensitivity throughout the visible spect,y x zlc7p.m8 5++khwuprazr +rum, in which of the following cases would you be able topyrzml +h5p z+.7+w,cu k8rax 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 magnification vm6sc6 v/v)s p;n5ffe $m$. 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 greatest detail wh m9wug)z 1;j31 rmdsp,eijvh+en uu;wmsi,h+19pe zgvj 1 )rdj 3msing 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 suffer ,/do gpku5 .arfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff/ )9 i-;ntnt6ymv/ ori/ aemcmer 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 tfpl 4u(jjn*zeg4*( r;6zct iof a 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 qw1s l1,g+p + qo7y p9vgve+hxdish is doubled, what happens to its resolving power assuming that all other factors remain unchs 1q +,v q++97p1yl hvxgepwgoanged? 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 1n;fr*1 zfgo 8vbp75xe8 cm. What lens (in diopters) will allow this person to see distan r 87off*g ;xep5znb1vt 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 objectsz8snfs+o 81cp more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in frofs z1+po c8sn8nt 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 power oc42gr o7q9a,qk mhou;f -0.15 D. What is the person's far point if the glasses are very close to k rmho 9,;a24u ocqqg7the 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 farsigwvzrs:uqnwy c-.9- s)htedness where the uncorrected near point isw9s.-vcz :n quyrs) -w 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 placem+g8 cs b* x qp1,t(v*fqdm5pms reading glasses close to her eyes, and with them she can comfortably read a newspaper at8* *gmqm+tdbsv( ,1 xpc mqpf5 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() pmu.wledy. he wears glassewym eu .(p)dl.s 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 pomp cc*,xo;oza k)ucmg:4 :r +oint of 25 cm. What is the magnific:u,+ r)az pmgc4 c*m;xco:okoation 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 n(gnlt3 l-)*hf zqklss.ua 5x.ear point of 25 cm. What is the magnification of the lens for that person when their eyes are focuse..*gf-nq5 zs)sl llt(3kah ux d 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 magnification md )0+ /9klgz-z+agst8zgeipif the image is viewed by a relaxed eyemkz+ p t 9+igalz 0)d8g-/gezs?

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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 magnifying glas7(ht 7wjbsgqx1 f t*5ns. What is the maximum possibl1 nxq(thb7js7tg 5 f*we 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 7xq*3vvr+o irhkm7y1iq6 c d95.0 cm as a magnifying glass. What is the magnification if the person's eye9qri+7c6voy*7hd qi1 rmkv x3 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, 8.0 cm, and 1y.r j+omf -az+6.0 cm. If you were to use any two of these lea+ jf.yzmro- +nses 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 n ull0+/rs1c/-mtwn(*gc cg h.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any twohs/ln 1n0 tc+ * m-/ugrwccg(l 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 lfhs.7 7 ytb)n5.cmr hu8bc0-v/cbmg oength of 200 cm and its eyepiece has a focal lhb s tv mrc/o unb7ccyb.m8)0h5gf.-7ength 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 astroum ig9ll-b ucb;b7s r(o c;;a4nomical telescope with a magnification of 10. If the telescope has a cona( lbig7 sco9rubu;cl4 -; ;bmverging 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 astronomical telescope with a magnific s ydpkwq58g., :7us99hwsk dvation of 10. If the telescope has a converging lens of focal length 50 cm, what psg ,9 qkk ysdw:d57.svw89uhis 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 yuqu516qq : m4 d v;g8hc9/ d i95ktu:vlirpywlength of 20 cm, what is the approximac1h u rg89/l;q k6yuv dqid:5wuv9qtiy4m: 5pte 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 eyepiv au:0a+ jyvv61 xtia8ece of focal a:jy+iv0tuaa6x v1 v8 length 20 mm, 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 lens of focal length 1.4 mm and2eo*l kb z4yt154h h5;ej:i ,fkvfpft an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the 4h5k;jib*pyvf zk h t4f,51t2le fe o: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 anp.. hr(b h:mpe objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lensesp:. rb.hemp (h are separated 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 has a 18-cm baqb d/ 7djz -t3c,z5yqcrrel and an objective with a focal length of 8.0 mm. What is 7 ty bzc3jdz5/dqqc-,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 anf fx g5f+qv5.gr /r ) :a(9vmf8wdrwelgular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is 9f+dv f5:a ./8l wrqm veffr)gg(xr5w 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 objeap- ec/elv eos760pf* cts 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 0l e-vpp76a focee s*/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 change4*f0 jlq 4eqsjs from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does 4q*l4e0qsj fjthe minimum angle of 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 ing*wud v6 n gjwv(u3t0*to Earth orbit by the space shuttle. What * vg3uwg0udt6v jn*(wangular resolution could this telescope achieve if the wavelength is 500 nm?

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