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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 ope3k .+ 0qa:id*86ya qdlyt tkuqn and the film is exposed in a camera is determined * y:kkl tuaq8q 0y+tad3 6.qidby 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 is deb1-ztw1jc : vktermined 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 varied by slidins wtxdg:6)q- vjqph 6e8d2/wdg the lens forward or backward with respect to the camera housing. If, with such a c)w6s j-d6ehdq p:/wvgx 2tqd8amera, 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 co*uy2h+ 8 n)3oot9i ) pw0x ebs;ilwg5dmcm al1rresponds approximately to that of normal visionihw3+5l;snb8 a)p*diox9 u wlcm ym1eo 0t 2)g 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 like a telesizn6c nir/ z 4;np(+wkcope 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 co6w 50n1r.z3ef lwoy*s puk8 ejvers the film with a wider field of view than that of the eye and through 3w1z0 jro5l*s n86eyeu wfp. kwhich 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 differentdx);s(pa :kjp 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 refractke: ,4smr4w x/23eicqaeg,z)gjlc j 6ion 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 a7rxj2 ql-i+)cjqmx 6e t 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 no7uh pl2v d:9an 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, t(p37 wli hbv)e+ 4/i2ayk klymhe person is likely to suffer from)wp4y2 3iil+/ymv (7kbhk ale

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can u5nl ( dx3apojl(o0d9 zsually 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 gi-w9wzasi 6fn,h1w ne1ves rise to a vision defect that can be c9ih wa-1zf6wn n1sw,eorrected 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 tmz bv3e q3-e6c(fnjuq7 r(x4mo back, the person is likely to suffer6xbef3 vzr 47nm(jmq- cqeu (3 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 :vrb1hg el ,1 z0tk6hocorrected 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, this gives rise to a rl8zpcm.ud bu1h s n /3/)9oqrvision defect that can be corrected by using8m lnuuo qp/9zrr/ db1 3)hcs.

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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 kr z.89 temh)sglass?

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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 usi;k3ir (flgq)wkrx1n : ng a very large diameter objective in an astronomical telesco3gfk; ( r 1:rnk)xliwqpe 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. Suppose an opa-tyn t8g 2- tzrwtdka-(6,xz 6/td6u7tco aelque screen is placed in front of the lower half of the objective lens. What effect will this 2oxy8-lr-,n66za(g67wttt tu t cdza /kt- edhave?

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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 tg f;hu.2c s3r7t2 vmee1px l5jhe visible spectrum, in which of the following cases would you be able21mejl3rvx5 esu ht gf;27.cp 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 ma+o +-6f jg5ukqdeq- aib6)eyrab8z 3rgnification $m$. 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 fypx(1qy* n-dsx; cz jt7r6q4gn :0ge greatest detail when using a microscopex sq4g * 1pn;cej y0xyq(t z6rn:-dfg7?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fr00t,:7akqm4kguxgdpd f3 *7kt3ybvh om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer4 hti99 vuwvv- 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 mpxc:ukijdi6 q :uwq 4j3an48+icroscope 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 tj *cq cd )dci 7yztwed( 3ua11b38om/e;p:oizo its resolving power assuezw/;y83i11*u b: ddte iqmaz op7dc)o3jcc(ming 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 hag4a:s78bx ct-hivd6 is a far point of 18 cm. What lens (in diopters) will allow this person to see distant objects cvs7ad i4xig- t:86cb hlearly?

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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 clda4av eulj4)rc r/9zfb -dbd,qt6bo(3, g+ rwearly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is torjrdt zqa3d6l e r(,db c4 -awb 9o,fu)g/4v+b 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 ghp.c gf -,hn+miqs15yw ne,q6 lasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are +g6n ,ehy qncwh,5.im-pf q1s 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 correct fdzwm4ob-z (9t2t;f;u, qnt6vpw6 lyfor farsightedness where the uncorrected near point i2lf6t yf9- 6 (nqvt4td;ow mzb,zpu;w s 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 py 9 a5njfdep9h(xu7j51 igj .xlaces reading glasses close to her eyes, and with them she can comfortably read a newspaper at pgxideu(5 h.j jf95yx971 nja 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 b8v2r /jzfc2ba newspaper held 25 cm from his eyes, if he wears gla28f2 vr/bz bcjsses 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 perso tr5w (ajk7p 7qc4.c kngfg4+i; acp;cn has a near point of 25 cm. What is tpn a7;c.4pq c 5tcjk;kc4g7+i(ra wfg he 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 l//q0serl4me5t j bh3 eength of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyebe3qhj0/ r/m lse5e t4s 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 focalh-lyket5./ ui length of 7.0 cm. What is the magnification if the image is viewed b.5eh-yu il/ kty 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 lgqnr* eo3r :oe p*b-2length 5.0 cm as a magnifying glass. What is the maximum e**rrb-2o n :og3pleqpossible 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 g v-yyo*,,x* uyqrf(7 no,on *urqtg2length 5.0 cm as a magnifying glass. What i(2ro,ot ynn*uv *-,r ufyog q*xy,7qg s the magnification 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.q hm 0tx+n++rs7gf5un0 cm, 8.0 cm, and 16.0 cm. If you were to us nx7+t 0n5ru m++sqhgfe 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 lenses of fot . nn.-lng2wtcal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build aw nn.. g2tt-nl 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 a2ikz:s ohi6p9 e)p1zpa d:g /h focal length of 200 cm and its eyepiece has a focal lenah) 9zkd/ z2i:h epsp:p6i1og gth 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 wo)1ynk*so um *ith a magnification of 10. If the telescope has a convergium*koo *y1sn)ng 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 astronomicale 0g,e9q;fw 7gnuui9t telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the t0guu e9fwi;eqtg,n79 elescope?

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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 lie7kozyl; 1y6+hoe 6tmmited to a length of 20 cm, whatyoekh zm1e+ 6t7; o6ly 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 1ottc*e6pde70(mju-rqpa +4ith- i f 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain7ro +efip6uq-hap0*t tdcmejt -i14(. 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 lengtha,f def16 +5*a3 fydz .vgyeae 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A *fy, .1f e5+vad6yaafee3dzgblood 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 objective with a focal lengthy ;-8d,t 0ss6+v(bgdioqjk nbrz -hi2 of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are r2k8s;0o vsb(nd dg-i+ y6q -,zibthjseparated 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 h :aqmcy;8teq,as a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total ma,ca;8 :qytm eqgnification 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 coknd sxfaclc70;j(c 8s3f kq;,nstellation Orion has an angular separation of 10-5 rad. If the wavelength of the ligh8nc0 7;cdqfjklxk3a,s( cs ; ft 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 resolve objects which are 0.010 mm apart. tn ( e8*r-j/uh;l iamoIf the focal length of the objective is 4.0 cm and the wavelength of lighthlarjo8e -itmn;u ( /* 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 e*tle +/s 7j(1ojk grk/o hccyqoxfq7(k6i:2 a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does to*kf((qe1g7q xy +j2siekoj/ c/rl6ht c 7ko:he 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 in xk jnrlqr4(+i 2jwu1.to Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 + .ri x(ukjnwlj12rq4 nm?

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