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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 im8tbk y2yp; .trw i gophy).,/jjaj.+s open and the film is exposed in a camera is de+y.wk .y gja ,)tt2brjoj yh 8/pm.i;ptermined 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 film in a camera is determinen7/zy4d ;*jgwl r7ea-x tlhf/ d 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 v)r bkgce*z fj4kx:+lgp2i;n 9aried by sliding the lens forward or backwazg2)r flnbg*;x+:9 kjke4ic prd 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 field of view that corresponds approxigjr)** 9mv; hd paq,numately to that of normal vision is,jrugam) h9 *qnp*dv; 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 mzmkb0- t.q5 :s, qwmdlagnify 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 with a; ws5b et nz,4(93lsm/dx+gq6i c;y soh zk,ka wider field of view than that of the eye and through which objects appear smaller +( 6;sa;m,nk4osl zz5 3/yskbi,eqc tgxwd h9is 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 differentbz/ /jr sbp-/;fa:pvl 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 lighti-qd7io+q l 5z 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 ) 9hby 0mxbumn4o,o69ql il+s 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 an e-l7p 80eoirhtn (qnrb 2d;-stye 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 tp zj4:q( wg -;djpmzs0o back, the person is likely to suffer fpj: w; m-d4qgzszj0p(rom

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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 corrected p m))(4wrd (arze k7pawith

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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 hm d02v1 3cehlfront to back, this gives rise to a vision defect that can be corrected by usc 1e3md02hlvh ing

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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 ,mb*(jk uw ut5from front to back, the person is likely to suf k,btmu5 jw(*ufer 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 b1 fb9jy d/h s-iqmfg 5zeqp,-5e 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 is too short from . lz5jy:ss3 jrfront to back, this gives rise to a vision defect j:5sls3y. jrz that 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 mo0mdi;u 5bx,:)skao-qn o;pmagnifying 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 diameter objective in an 1: :w y8k et-ttdgkwc7astronomical telescope is8wk ted-1:g7t:t ykcw

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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. Supp6 3ox7 tc0dy 2u(kxqceose an opaque screen i2o (deuycxt3cq0 76 xks placed 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 sensd,)yey;9fcv;n i5 wpj d 0v.owitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lensp0 d .;, dy; nvcf)ovy9w5iejw 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 s f+wo(bg2*: m4dn ngehas 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 greatesr ,(po6aaq11*ck p i,d*hkrlat detail when using a microsc6qd,kr1 i1akah*appc, l *ro(ope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffe cvdlqiktu;oacpa*6 u1.52 u w,u:6p jr 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 fromba sp 22y,iub3i54wan

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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 microscope1a q;* 8wkt;cexct k1h 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 ran2q;r9lffeeo o68d*0 z jyy,e dar dish is doubled, what happens to its resolving power assuming that all other factors remayo df j9,0fzn2 or ;eylqee8*6in 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 (in dioku((2wfyhrhz gd9 h(uh3c6b;dfk 1 d ;pters) will allow this person to see distant obje; h(kzgwhkcfr2 1 dyfh6uhd(d (u9b3;cts 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 cm away. What power of lens o sztxrhe9s412c tww.2h2 1 iushould be prescribed if the glass is to be worn 1.00 cm in front of ths 1tw1osctwzi h 2e r429.2huxe 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 whoqndq 0;*d r3oin .bbl+se lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the eyes?bidod0r ; b.*q+q 3nln

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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 correc0: a 01ksz em;gjow;p;qe3hllt for farsightedness where the uncorrected near point is 75 heaz 0 e3kms;0pqlg: lj;;w1o 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 facnk, ggpj6,,cper 0u1rsighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably ru1epk c0 n ,gjc,r6pg,ead 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 eye,v l zafvx y38bg,+ny4s, if he wears glassesxy4f3v,ba +zgl,v n y8 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 *gdt8ue6nu z8 person has a near point of 25 cm. What is the magnification of the lens for that person when theet8dun*gz 8u6ir 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. ejum7 w1zr :w t)7jex,A person has a near point of 25 cm. What is the magnification of the lens for that person when their e:ezt m1jex) w7wuj7,ryes 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 foca3zh g5mg5x j8hl length of 7.0 cm. What is the magnification if the image is viewed by a relaxed exhg jm gh583z5ye?

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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 eip-4p mvs+s)glass. What is the maximum possible magnipi-sem) s+pv4 fication?

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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 mag:onu.*;a zqzl nifying glass. What is the magnification if the uqna l;oz: *.zperson'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 lens)uvso0 zvd 55hes of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, whah oz5dsvv05 u)t 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 28r)(,w+x*9vz-fwye kde4xyw b v 7 wgp.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification telesf 7 w +gbvw,e8 ezwp(v dx)y94rk-wxy*cope?

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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 -p5j4 h*jk uhoizun45length of 200 cm and its eyepiece has a fo ji55hh u*u4ojpk -4zncal 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 of 10. pg u6*v1 elk+i6jgz f- If the telescope has a converging lens of focal length 50 cm, what is iu6p1 l6-g vz ek*+gfjthe 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 telhgxwm4 x 5xkf7 +o05foescope with a magnification of 10. If the telesx+f557hx0gw4xm ofok cope has a converging lens of focal length 50 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 telescvcp ((-/rv i4x, qsnwxope. If the telescope is limited to a length of 20 cm, w(/cq, n-4risv(pvxx 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 foclv jt3o65 z5 eenx8d3val length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood samp3e jnxv85v3e5d6ztl ole 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:2 az/hys7yq k 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from t2hkza ys 7qy:/he 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 w l.*)2vlpid n sv,me0tith a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If th0t slp l*2vd).m vien,e two lenses 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 barrel and an objective with a fobm+jhwp6ny 7 /cal length of 8.0 mm. What is the focal length of the eyepiece to give a ynh b7mp+w/j6total 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 iwqo xm2xfiu1 :yhctc t1h8*6tlr;9 .separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve tt h; co xt:lix.qf9w81 6th*riu12mc yhe 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 osl.g-(0p c)c 9b2wid9ud/+ aabqjmp designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the waveleaj.w)bs (0/lup ic-p+ dbomdg 9cq92angth 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 to 38zi: vc 4pzn8g ,mjf c(mc g,erg-,ef1.5 mm as the illumingcz(8em j,8 r:,p gccm-igfv4ezf 3,nation is increased. By what factor does the 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 pla +4nq 0mdo*yynced into Earth orbit by the space shuttle. What angulqd 04nyn+o*myar resolution could this telescope achieve if the wavelength is 500 nm?

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