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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 is open and the,(njaxp3c,mt: eqn , r film is exposed in a camera is determined ,n3 t,jrq ac(mn:, pexby 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 deter2 onenj5n-v v(mined 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 sys1w* ,imxg mlm.7x( t2gcpw+:e8ua the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a came w :xm m8awpsg1yte2,i7lu+m cg*(.xsra, 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 wiajrezr0o v7r-f 9o2 9jth a field of view that corresponds approximately to that of normal vision is referred to asrv09 eo o7jjaf92 zr-r 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 tb3*d pqdb4s185.icek wel2 6xdq3x fmagnify 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 t:o:pw ; -vukl wzv6qr, mzyt)*son6. ahe film with a wider field of view than that of the eye and through which objects appear smaller iywrs ovmk.:- :vlqwoz6nput);, az 6*s 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 followij t egff kq7l9cj*+h.8ng 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 refraction of liie2roh0t dwr ob)3-e6ght 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 atyi/etsglwg :,ep 0 *:v 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 eye can see objects clearl) pha zddn0r)-oij+t3y 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. 5kzobtrhu(ml h +-je3 ,exw2 to back, the person is likely to suf.o uek hh2 5(, -x+tbrljm3ezwfer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usr1w4/m :gzs voually 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 giv w -:q chfx+ifin+c-:ves rise to a vision defect that i-f:fc+ncxv+:iqh- wcan 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 frohjtg6+q7hhva:) om5ns1/7pa 1b o l1hx/o becm front to back, the person is likely to suffer frombs1ph+ j1/bx m h:o765e) vnh oq1 aatlhg7/oc

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually4ornl-+ bjy *gf en2g( (w -hmf8+l 2as;fcyuc be 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 front to back, this gives r(l bbl+rpn-i- ise to a vision defect that can be corrected -(bpril n+ -blby 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 magnifying ,bwm*croz3 )m 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 large0o8wq(vj02h g.+ xfp uytczq) diameter objective in an astronomical telesv zc( w+o y0g)q2ft.q8jxh up0cope 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 opaque j j/m*8qa/yxcsz ;tdpw5v 3i9 screen is placed in front of the lower half of txqzwy*vas/ ;8 djj3 pic/9tm5 he 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 spe djccx wrdc;qys7cox -.m wh4))8g1w;ctrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The le 8hg-rcqc1j)wcw)dm sw.;7od4 y x ;xcns 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 magnificatio*ug f2,yksg z io0w0gm0d-3 lzn $m$. 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 + 1 gl3w7,n2ibjytpujyou expect to be able to see the greatest detail when using a microscope?lnw,j +bjpty g2u371i

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffeesw7(o/z:sam r from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferzlhgfbk9v (i 83 zq(f. hb5u;o 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 microscope refers tn jv ( +irlf(p1.y;xvco 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 resolvij4pwq0zto) *;mjv;6ehm )h : nx r9odrng power assuming that all other facmjdwo z)p*46h;rx :j0mnt;) vre 9hoq tors 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 p(p mgydwtyr3 r 4l,d+j ns//-point of 18 cm. What lens (in diopters) will allow this person to see distant objects clearly?s/ j,/lgdnd p34(mpyw+-tyr r

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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 ;m db yis8(ec(md wujq;4v8x9more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm ids;dqj8 (w(y4;89ubemi v cx mn 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 lenses have power oflvk:p7rfi3f3m/g ed 2 -0.15 D. What is the person's far point if the gldm /e3 i pfr3k7fg:2vlasses are 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 for fwcfhxkcbp5x )-vtxf;)3)7l s arsightedness where the uncorrected near point is 75 cm?fxccvx)bt-)xhk; w) 7sp53fl

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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 ,t2 rpe wrj 0a4jtfk7t.nev5521r amf person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably reaat 0f.e a22wmr71v5ne5 tp j4rjkrf,td 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 5 rqm-yspw3) scan read a newspaper held 25 cm from his eyes, if he wears glasses o)-smqs5 ypw3r f
+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 point of 2:xkujsv x)/a2 5 cm. What is the magnification of the lens for that person when their eyes are focused :s )xvk/2u jxaat 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 focw x l8t/:9/ldc d 5b,ixv(inqwal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens 5ll dq9dibw/itvn,/wxc x8: (for that person when their eyes 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 obxx0lqtq 59;/kj p m8if 7.0 cm. What is the magnification if the image is viewed by a rela x/i0xtq5qbk lmjp9; 8xed 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 length 5.0 cm as a (bzpf5k gz)0qv0; c czmagnifying glass. What is the maximum pk c05g) ;bv0(cqfzz zpossible 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 tsilnvz :w0 )kduo*(. focal length 5.0 cm as a magnifying glass. What is the md ztv(k )0.o wuisn:l*agnification 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 lengos n2ol6tr9k e7:*l g ahux qw h6:ft9r34uu9iths 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 r aru fikgo96tto*9hl427 u ew3 lxs9:qu:hn6 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 2.0 cm, 4.0 cm, 8.0 cm, af1a--29n+ kwaf elvf5: updwund 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximua v+l u9efa1puk5df2- nww-: fm 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 ha4b xyst//,j0p c+6gv anu x7p; ob+ozes a focal length of 200 cm and its eyepiece has a 0zu jb/bye+o6v4 xo spn+agt ; /cpx,7focal 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 7 )fs.azfyk3ftelescope with a magnification of 10. If the telescopefy.3 z f7)afsk has a converging 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 astrowa v0fa*p4*hs nomical 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 telescope?hawv4pa *s*0f

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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 /)cblyz.wd.bjfs5k q46 9-bt9a e cvia 10X telescope. If the telescope is limited to a length of 20 cm, what is the c-l da59 9es)kcbb/6wyb.i tjfzq.v4 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 len c.bsni(l /5tdu3*h-rpoq3 lks of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart arel. bc - nh 3tqo5p/klu*ird(3s 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 objective8ub.o)t ab(d:xk4gui.. efat lens of focal length 1.4 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 ovea.kt xt 8bba ed :4f.(.)ougiurall 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 and an eyi ev 21imsj7(xepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magn i m72ive1j(xsification?

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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 ah;e;z iy3 6srhnd an objective with a focal length of 8.0 mm. What is the focal ez;hyirs3; h6length 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 pwi gvwcsvp4z4f:-7d:aijn3bw7-z rel.:c.separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest 7fvnrg.lwp ze4 :pas734 -c:i .djbvz-i c:wwaperture (diameter) telescope that can just resolve the two stars?

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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 apa a(hd+ , rqhnuow7-r6trt. If the focal length of the objective is 4.0 cm and the wavelength q awn6r (t hho7+u-,rdof light used is 550 nm, what is the diameter of the objective?

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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 t,,c4 0 ,unx epc9ofpvg*, qbzto 1.5 mm as the il n f9vg*0p, x,tbuq,zeoc4pc, lumination is increased. By what factor does the minimum angle of resolution change?

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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 into Eartsrzf.g7 s b+/+hb7j)r b*x1fzwc98tyi shx 3wh orbit by the space shuttle.rtc. x7s*xs/rbiyw7zb + 8b1 wjh +)fh9 zs3fg What angular resolution could this telescope achieve if the wavelength is 500 nm?

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