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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 film il y/il.j0 b x-6k8qklts exposed in a camera is determined by t.6l0blq-t8 kixyj/lk he

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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 reachin1cn)z 5zzi2d1ls6q. n5suy xvg the film 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-z/y+5gv11 lr)qjdn qd vhx f10film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, w1+d /h f jz5)vlyqxqvrg1 d0n1ith 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 wq81 v(q yoff x,ya5)juith a field of view that corresponds approximately to that of normal vision is referred to as ay,(ouav5x q 1f)qj 8yf

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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 magnify images is referre (qj3g mop.-jad 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 tsawf jlnq8.:c do4 (6q n;1bvyhe film with a wider field of view than that of the eye and through whic8j4.ab ;y1dn wfo(lsv6qnc :qh 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/. n5 buu6k0r3sfa4x:ai iuy serent 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 by tr ey3e. 0v.f.qtfucg0he 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 whicn5.elyf h12 zhh 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 object8h,reoka(qt:o vt5dz m:.h( ms 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 dq)b)i0h1bef to suffer froi bq hf)01eb)dm

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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 correctevji6 oq-*vddl2/a+ z kd 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 toh97o*k. m0v v8 jeouk+r m8gcj back, this gives rise to a vision defect that can be c ch.r jvk8+ u0jo mevk789o*gmorrected 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 eyeballdc12;3 uotc pldv8,vl is too short from front to back, the person is likely to suffer from812,oldlc tuvcv d3; p

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuallyc-t 3s dw246 vfu,zdpdnrv z*4 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 gi).)r 8zi2r,uzfuakz r ves rise to a vision defect that can be crfzuzuri.a 8 ),k2r z)orrected 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 magnifying glass? m p4+xd4y*kvv

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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 us4 j/71:k v ge1o/hzizxzguw1t int27cing a very large diameter objective in an astronomical voki hg1n7ti14egc j /2 z:zzx1ut7/wtelescope 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 bb* dmh,slpq57: 8a,ba.fp icg y a refracting telescope. Suppose an opaque screen is placed in front of the lower half of 7:ps8. ,bqh5mi*ga dcbpla,f 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 vi/ook5c1k*qc7j fbm4 osible 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 lens of45cqk7ofbom* koc1j/ 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 madnh*..2m hqfx gnification $m$. 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 to0hp,b6l9 gx7b k cvgk4i3ckq/ see the greatest detail when using a microscope?bikhkvcp7b6 0c 39 ,g kxq/l4g

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffefv je:z l( v1y0:ioue9vu778js)/ bpxvlo8uvr 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 rvwyu x3z -i44from

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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 to the ab gob:auv uoc vibz/;1y-;*n ;fility 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 poweyt1s0lof /v0z b;w /ver assuming that all other factors remaiwl0;v/be/ t0of 1svz yn 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 5z *qc,0lc ctl(in diopters) will allow tztq50 ,cl* clchis person 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 cm ,r;bn j(u9 mb 1eieud:)mb;cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in :ud;b9me,;ur b1en(i cb) j mmfront 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 personrwo:+p5 n7(arn. a bls wears glasses whose lenses have power of -0.15 D. What is the person's far point if ta n( r7+:lwa5rn so.bphe glasses 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 neerbx5 1 yw)4q) udy-zdcded to correct for farsightedness where the uncorrected near point is 75 cm? r)5x)wd y-4u1dcbyqz

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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 places x,7*dr adyqt9/j-: pyhiy,dcpb ()g jreading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lcddpda*pqj,tx9/h(:jrbyy) gi y, -7ens 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 f4+r,yt l3 20xbve vgyeyes, if he wears glas+ fvyrteb,g03ylv24x ses 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 nf qwur0 2b*;.oaknjg *ear point of 25 cm. What is the magnificatioqa f*0urw .k n;2ogb*jn 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 foc6zon6 bo)ns 07(hdbexal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for the(d)b6no0sbo n 6 zx7hat 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 of 7.0 cm. What is theyqx3wilnp0mgb( ;e9 4 magnification if the image is vin0ymx g9wi ql;b(3e4pewed 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 converging lens of focal length 5.0 cm as a magnifying glassoi842i. z ev:t:1ug luag;mpn. What is the maxim2:eumgv i4 uznl. 8 gapti;:o1um possible 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 5.0 cm as a magn9rysrz 5o2gw-b3zjy 1ifying glass. W5yjzo3g19rr-b w 2zsyhat is 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 focb(n88 a r-fuwrvvvq-waz-j. , ,ke(weal 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 telw,afrvvv8bw(, -k-j-e a (w.8nurz eqescope, 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 4pi.ha5gv)50bu m h jjdyim2,of focal 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 a telescope, what is the lens sepyvdumhb2i5ma.,j )4jg hi5 p0aration 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 length of 200ljeq :2:p0 v*qqh..bcbvy5, uw6y f za cm and its eyepiece has a f.v2la uq,:bfc jq :*vq behy0z5py.w6ocal 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 malui ym7b a/wjd4) r,d8gnification of 10. If the telescope has a converging lens of focal length 50 cm, awrbdm/8d u4 yij7),l 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 magnification of 10. If pruf4ex nd;,n yng*6(the telescope has a converging (y4nxdpenfn *rg, ; u6lens 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 telescope. If the telescofz5aawob a tffjdxga8l:7/c4 0s11n(pe is limited to a length of 20 cm, what is the approximate fa1xo1zt j 8fg:7 fw5f4acad0bls (na/ocal 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 ofm ,j24bd95spg2pt +filhgx8r85sg w d focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eye pggx94wm8 s 2dlp8ibf+5 tsjd2h,gr5strain. 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 objectivjv zoya.bg iv2y/h o-5b) (dy-e lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A b.h /jvyoy- vb5( yga-ibdz)2olood 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 length ozr2mzyv.+ z-x /olbh r k1dz71f 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses ar +r/hm2 z1y-bo lzdv.xzzk7 1re 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 focsq7rzc ,ey7 aj.1g*k pal length of 8.0 mm. What is the focal length of the eyepiece to giv,.1kz y7 7gac*r pjesqe 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 con:7i5h(n how 2,x3wajeh4gv systellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, w 4v: 7eonxs,2gw3hayj(h5hi 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 r1a- pfy2zq(w 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 objecti(fqzrya-1 p2wve?

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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 ft98o i33zmvi grom a diameter of 3.5 mm to 1.5 mm as the illumination g9iv33t8 zmoiis 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 placed into Earth -r7u b.wjmww rb;0/hforbit by the space shuttle. What anguwrhbw.m0; rf/j7 w -bular resolution could this telescope achieve if the wavelength is 500 nm?

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