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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 oa g;w;jpaikff)9r:: uw)k-h)4b fvyfpen and the film is exposed in a camera is determined by vrf-p k;af u4):fbjfgi;:wk))w 9hy athe

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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 tzl0rn*zy9(q y9i ,2 e9r/ 2jvh k aqt4folq0ris 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-film dist sh s2e:wlq/dbh* :qb8ance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, :h :bsq/ ewqb2s8d*hl 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 tq,z (l7sqt) 8 sxqijk2fr0v4ihe film with a field of view that corresponds approxim) 7ft,k 24xqs zrjqlvq i08(siately to that of normal vision 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 telescope to magnify images is r 4z5h:cxyxxf)eferred 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 wider field of view than that ofmx5re uhsg23wq175v n1k *jym the eye and through which objects appear smaller isnv2k ms 57q51gmr*w3ejy h1u x 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 b8q53 /le+-0jxetqd*o5y/ vvvua sca.,dd jnways 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 light by the eye o(apvee + o,wz,ccurs 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 9lk8j5 zm .li.jk1xzican 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 wh,:ln2q(5i30ns j yvc2q3k*exomn zs n ich an 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 frof- jfskzj haxn:;t-k ,4:n l 5wtzk7a)m front to back, the person is likely to sufjtk kw 4,n7 -x;)zknf:th5f a-a s:jzlfer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually ber65x )ulctz.db )yh,g 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 giv6kjro; fqvt/*c+ t0wwk r1-m ses rise to a vision defect that can be correcte 1mj/ co-rsqkk vf*;6wwt +0rtd 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 b z3rz06malviuc (pxl9nb7 y *-ack, the person is likely to sulr(z6 p9- vbla0*z 3xnu7ymicffer 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 corrected 9l.)z oi p1mh:qh laq8with

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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, thiup bbpjm33gd(: uz 7-quy:n 9js gives rise to a vision defect that can be corrected by q7bj3u 3-(dz u9:mp ngpbj: yuusing

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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 magnifyinp3 a7ve5gz4tzg 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 inxj-7fz90c;azvp,o xz.w/ u nn an astronomical telescopen - 0.afxu ;wz/zoc9,xjzp vn7 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 13k l9sp)t.s9vmp; omqz 3ds q.cc :xttelescope. Suppose an opaque screen i 9):s tqc9;sdppq 3 zc.m.km 1slotvx3s 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 sensitivity throughout the visible spect cj /3t3i7xlnly:g)h erum, in which of the following cases would you be able to best distinguish between two closely sjxt l3gl:e7)nhicy3/ paced 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 h)yelf2,h3 z/ek hg +3du2nf t0o tc .72kpzqnkas 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 lighxnhj m8e 4;ws:t would you expect to be able to see the greatest detail when using a m4e nxm:sw8 ;hjicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer froni:xoc*4eubt5wg(4 r8s f1fb m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufpi -ym/eojsjipd.y./,b y+ a 9fer 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 of1qa;7ve. cjxi; z6eyhwg:3i n 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 dish is doubled, what happens to its q koy; 7zf iazgk.:)j,resolving power assuming that all other factors remain unchanged?foq 7ayk ; ikg:.zzj), 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 diopters)s; bnrv : mkn8,+wdwr; will allow this person to see distant o wrr,k;bnw;ns: vm8+ dbjects 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 ca+aipbjg*o+y0 ysr4x3(k w(olearly objects more than 70.0 cm away. What power of lens should be presap( *y043yos(ko girx b+wj+ acribed if the glass is to 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 glasses whose lenses have p*7y0u ,kvh,iw 9led ohower of -0.15 D. What is the person's far point if the glasses are very close to *,uoeyi7dh9w h lk,0vthe 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 yx -ip 4c9b*xsusv,0 zfor farsightedness where the uncorrected near p,zxb 4 s-09yuxvs*icpoint is 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 kca7zrb7gu1*ps kl* r nh/s2 )farsighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is rsukaks g *7nzhb/ p cl721r*)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 c7f4vq h:kb 30spkb 1zzan read a newspaper held 25 cm from his eyes, if he wears glbkfz0hb3q:v4 z7k1 sp asses 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,ev:zasoz-r -1i0n c t:kk+es. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infi:k0z,- sie:tcv z1an - koser+nity?

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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 ofa6 dnic(5oieza19:r q 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are fa:a(o dc5691 qz eiinrocused 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 lengtmv i4,0kp,q. edr wdeuo *: ud66axdc*h of 7.0 cm. What is the magnification if the imi duu6o4*pq x6,eekd ,*r:wv0cam .ddage is viewed 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 magnif 6m hwca,mi bv(+idt)6x):cg pying glass. What is the maximui( tmv )p wx6bi:6ahd),ccmg+m 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 magnifying glass. )tn: w0r sqgr8ikunhf /8 7yt3What is the magnification if the person's eye is 3 nyk/t:7 tuqgr8n0w)h8is rf 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, 4kn;-jnp 8/ czeulrer ,dso(p /9d50ri.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of thesep o-ej9/uekd 8(rr spn/cridnl,;0 z5 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 lensugod ukgtpi(, 3 5d/c1es 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 tele/ d3upg t5ki ,ogdu(1cscope, 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 length ofj(7x* g .jpxkb 200 cm and its eyepiece has a focxb(kjxgj. p7* al 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 1uxr)m srr.ks 2( fm5f*dh r*+k0. If the telescope has a converging lens of focal length 50 c)+sh k*u25m. xkfrrrfsrd*m(m, 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 o 05ggsh s1otx)f 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescgshts)0o xg15ope?

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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.a oi5-pk ,ugby kd,6u; If the telescope is limited to a length of 20 cm, what is the approximate focal lengtho,-ad6yu ki,k5ubg p; 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 anb w9zvxj ug8cs1,s59swx( 0nnd an eyepiece of focal1s,9wx vwzn (x95 cb8 sg0sjnu 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 an7 ehxa- ph/o4cd 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 overall ma-hoe7h4x p c/agnification?

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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 len1/iy /hhov0s xgth of 3.00 mm and an eyepiece of focal length 6.00 cm. If thyv/o h0s/ xhi1e 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 barrecxcuc-b/2v98fy tr u9l and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a tu c82/x-ucv rf tcy99botal 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 separatigbz anp0x6w x9+x97in on 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 the two starsx+9p0i ngxxbwn7a9z6 ?

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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 apa(lkf 4 z7* zcb55icpcbrt. If the focal length of the objective is 4.*cb b54z7c flpc(kzi50 cm and the wavelength 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 dl h slxsg.2 *1l+vcn7diameter of 3.5 mm to 1.5 mm as the illumination is increased. Bd*s2 lc+llsgx 1vn7h .y 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 Hux8lob 8zm3lao0sf0+x fo -i/,cd mhf+bble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if thea8+8hb0ffixmsld f3/o o m ,o -0+zxlc wavelength is 500 nm?

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