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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://mail.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://mail.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 open and the film iaoh/ (9a pkzn8zlc y4,4s h0fsez5 v6fs exposed in a camera is determined by thp0eols ,zf ay4kz(s f h 54zn68a/h9cve

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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 deterqva/+) x5mpnu-2 f n utlt,9qomined 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 reflew+n1+8la;y ef dc crw0x camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a cafa0 +nwcdyc1;8werl+ mera, 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 cophxlt+b :,um68dg w8k vers the film with a field of view that corresponds approximately to 8:k wt8 pm,g+ld b6uxhthat 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 referred to as p1),1 ye rz0szmeu-p ca

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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 wideg e-mc4z/ yfz+r7c2cx irw4sn5n 9v (hr field of view than that of the eye and4/ (hrvzx-2gif n5m 7ycc cs+n94ewz r through which 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 cameptqh pe,;0cv0ra 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 ey)s. y;y:axza.abf r1ve 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 which a5/ b.zmzft46z zh yul+n 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 cakl iqt -8j81clearly 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 t3eadrd4o7q3 w o back, the person is likely to sud3 e4daw7 3orqffer 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 be corrected wittr q (uf2neq tdxj ao;08:t+*gh

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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 j/gm:g 2 2+n3ztqycrk4 -kdy wfront to back, this gives rise to a vision defecntz /jwqy md+y kg :k3r22g-4ct that can 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 from front to bacpc9tu j4 oggy f/lv0(fd,u84ik, the person is likely to suffey4,f(udtlv /oifgj 8g09cu4pr 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 witn8c 39u3v fm6kx i2ztmh

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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 fron/bv.ib hcm*pf e9s32kt to back, this gives rise to a vision defect that can *eb cps2/m h k3iv9.bfbe 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 magr 0lthr fk)w9- 96jhm: h5xm ywmrh:bexe 57z*nifying 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 a.zd v *m m7+,;dddaa u 4u2gvwl,o6lgin astronomical te vg;mwdog,a .dmda+*ldz4 6v72 u, uillescope 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. o ,6m6yp76gtol jtv:k Suppose an opaque screen isojg6vtmkly,:t7 6 6po 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 specjtj1 j6*jgj,bbjp6q) trum, in which of the following cases would you be able to best distinj)6t ,g *jj6 j1jbbjqpguish 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 telescog dg6v 88d: yr/kfc595oo4md rvxe6pvpe has 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 toh)7gw(5ek ccob:9yg//ucy: rkv 8o gg be able to see the greatest detail when using a microscope?w:gg/7y8h9( /v5 guk ccb)o oeg:krcy

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suf mc0+yqj 0/j34tjxepkfer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffi+da0s)oj ez 9er 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 microsc qg6i b+zsg/hc i ;jwfe-da7(9ope 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 resolving po;5se7 gy cpmetbcgsdx(xg, 19 9r59d wwer assuming that all otherc 9ge wx75m9 ctdesxd,gs; y1g5p rb9( 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 has a far point of 18 cm. What lens (in diop79b /xqlo: vfk0)vk nwters) will allow this person to see distantxbvolkw)0v/ : 7 qf9kn 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 objrlr-9tpc,(w xpwal *s6ch77i ects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in 79ihclxptwpslr7(ca r w- ,*6front 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 of -0.15 D. y6mgmx6 b z2k3What is the persm mg6yb6z3kx2 on's far point if the 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 npld ge;pw o yhq,6:f9)eeded to correct for farsightedness where the uncorrected near point is 7 ;)h:qyp ,fwd9l6geop 5 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 isltk e 9p1y1ze pvsgm9t)f4 /-c 100 cm. She places reading glasses close to her eyes, and with 9ktvl-ms p z)1c/1t9pegfe 4ythem she can comfortably read 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 hhwj;-fnhs 9n 5 dsj/g5eld 25 cm from his eyes, if he wears glah5 g5sndwj/sh 9 nfj-;sses 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 hawirt,;5ufg2rjp4qx61w9t l bz8 i /res a near point of 25 cm. What is the magnification of the lens for that person when their eyes are ;fz8/ ji25 e 1igr,wpt9r64xqrutbwlfocused 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. A per8 ut*)de5tg5kkmsv* i, h 9feeson has a near point of 25 cm. What is the magnification5ui k5*eh9st mefk)ge,dv *8t of the lens 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 ludu.gv*5, oyub*wo; hength of 7.0 cm. What is the magnification if the image i,uv u5 .oghu**db w;yos 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 mn cqtv8njsf x7(h)h 9/agnifying glass. What is the maximum possible magnifis/8n7jfq h9(nxv tch)cation?

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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 lenemhl bvk5y3 05gth 5.0 cm as a magnifying glass. What is the magnificatio35byelhk m0v5 n 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, 4.0 cm, 8.0 cm, and 16.0 cm. b .mqwit *m j0s7*vdx5 If you were to use any two of these lenses to build a telesw7 *bj i*5vqxt.0mds mcope, 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, and 16 cm. Ixot-jkuf4gc90:4j a l0jl wf(f you were to use any ko0t w l-0 ufcjf9jal:x4( jg4two of these lenses to build a 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 a focal length of 200 cm and its e dukt 1bd) g*2z;bvc1tyepiece has a focal lengg kbtcv zbt* 21ddu1);th 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 magnificallb(-s ab09dktion of 10. If the telescope has a converging lens of focal length 50 cm, what is the kdb lb 0-9als(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 olulvb;q bc ,3 7t9ee/whl47 /ovuxq 3vf 10. If the telescope has a convergin,q7 9q7 3le o/x4 wh;btvbveu3uc/llvg 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 telescope. If the telescope is - tf4v gdpixql5-xk) d8v)jnga qc9// limited to a length of 20 cm, what is the approdgqxvpl 9d8cx5t-nk)-) f/av4/ q gjiximate 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 1.4 mm and an eyepiece g e1ah:z fl4)jzw2n a)of focal lengthza1h z ja:w n4leg))f2 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 and an)nfj8wo jfq 75ajc;tx5j 4f v2 eyepiece of focal lengtf5f7 n x jqcvfaj2j4;j o5)w8th 20 mm, adjusted for minimum eyestrain. A blood 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 of wb dt3 wt7 ;f21s,cjmu3.00 mm and an eyepiecf wt71,stc 3uwdb2mj ;e of focal length 6.00 cm. If the 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 bar*d w *efgg:h6spqi d-*rel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of fpggi6*d: *- *sqw dhe240?

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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 separation xrlxsroog -0 1z,*k7n t*do3dof 10-5 rad. If the wavelength of the light from the system is 500 nm, who0r7z*3xr1gd- ol ,nxo*ts dk at is the smallest aperture (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 ajw6scw4t1g7gc /x;6jk:m ymwhich are 0.010 mm apart. If the focal length of the objective is m ym6c;swj6tj:c/1 a wgxkg744.0 cm and the wavelength of 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 fl0bn 1)fuo( narom a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By whatfu)nola0b (n1 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 intophqz a;gb6g1 cs(fi4 2 c,l,yf Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelengthgfs,pq fg;1cy(zabc 2i6 ,4 hl is 500 nm?

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