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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://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://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 is exposed in a camera is dehnqxl ostz5: of ;p/an:8f7w0tero zsn: pwn/7;0x lf:tfo8hqa 5mined 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 filn27r.+ nm xvbem 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-film distance may be varied byuexo if k ,z exvh9et;26.nv1xh).4px mqb-j 7 sliding the lens forward or backward with respect to the camera housing. If, with such a cai 4fuh6mq;e 9 vxtv. 2ex.ob,e- hpjk)7xz1nxmera, 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 correznr946aeaa63 djb3 c *w/y81d ad ddrosponds approximately to that of norm ca6z d8/3aeyrwbdoa46d 1*9 da3jrdnal 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 acqk6zfbk71-/ t o.tw; zwcu n9sts like a telescope to magnify 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 fil xm0mh--c7v 1rewbga(ni g9.wm with a wider field of view than that of the eye a01bg-vw( hiwag r7m9n .-mcxe nd 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 camera different from the human eye?oio i-h8: x+y uoyf*,z18rzlw

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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 occ n5rsel0bdxht(3q9+lm ;mpl (wp+ * hpurs 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 can see n.h5( ufkn/ r2zubmuo4 ;li- yobjects 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 sedqw0vsik e. /m79 dd7ue 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 too4wj,1 rb; *:a3) ibvvfzoam ac long from front to back, the person is likely to suffer fro)vfw *,oa ;ijmb4c3az:ba r v1m

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can u. ) tq4ku2zt pe54scqkw/+ eofsually 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 too32n*i w5drg ht long from front to back, this gives rise to a vision defect that can be corrected byt2n*3rgw5 idh 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 sh6stm 7)ynzo,gy/ + sibort from front to back, the person is likely to suffs/zo)tny ig 7my+,b6ser 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 bjb 86feta d(h,di/a q0e 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 rise to + wa.ipr)hrp4rf*;b.07f fn zd8qvw ga vision defect that can be 8f7*vp apgrqr..n bz+ihrfw4wd0;f)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 magnifying glylbmp* +r8b 1kass?

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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 oby7,qg(hiw, ca0jbd. ijective in an astronomical telescop7,hc ga0ib (diq.j,wye 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. Suppyia gs/6j85a*veaa n p h:htq ko5hdv0f- 091jose an opaque screen is placed in front of the8akv ys1vatd-ji: h/0h6fq 590*g aj ne5hoap 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 thrmql 67l( -kzlxgmu1/vy nm3y (oughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to ilmq xlm3ng 7v-yu(/(yml z 61ks 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 hcx9 ne (8l irhvtpnp47w: tf1)as 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 expdo /tuvdbl95 .ect to be able to see the greatest detail when using a mbdvd .otlu /95icroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frk 0fb4t u1 a39.yyakvzy( e6gvom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf, qocww3 lj+3pfer 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 to the ab,al6lhzt6v 8s+7 a;f t1fhwp pility 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 powe xx;)n 7,vmle6) /fdiugu .judr assuming t ) dgi,ulu ./ux)m6;fd nv7ejxhat all other 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 lxgjo/j3*d( w aens (in diopters) will allow this pers/ (*x wg3joajdon 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 awayyigx psv5(f,1. What power of lens should be prescribed if the glasyivxp5f(g ,1ss 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 power of -0.15 D. What is ts6h :u3mxbd.the person' u6.s3:h xdbmts 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 needef ;-xq+ouo6 qmwt8au j t/o68wd to correct for farsightedness where the uncorrected near point is 75 c8o- oj 6m+wq; uoat 6wftq8u/xm?

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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 reading glasses c*0 seoy2wqoy0 ;cea-ilose to her eyes, and with them she can comfortably read a newspaper asq00oey;*ae -wyc io 2t 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 eyes, if he we3 ox6:a3z; k/lg3ulbk,hw pboars glas o;lz ok/ak, b3u:3glwx3bph 6ses 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 lengt2xpu .-nchl e5h of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person w2hx. n-p u5lcehen 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 focal length of 10 cm. Ai )o,bzwq)(l d person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are fo,(qbdz) )iw olcused 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. Whatfj*vhqr e fh*:,8x +lw is the magnification if the image e,xv8**fjqf: +wlhhr 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 conven51p)j(h um jg,;nhm* uz eaf.rging lens of focal length 5.0 cm as a magnifying glass. What h ,*( ) hf.nuzpgj;ameu5m1njis the maximum 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 gl3dr /orvi/ 9cozk qu7 ),nhgg+ass. What hqz i9gr+v/,7og )u3cdk/ or nis 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 yvo;9xcou d4vxu,ch*+f*wt4 of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to usecx4y o9tw ,vdchu+ufv**x4;o any two of these 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 lenses of focal lengths 2.0 cm, 4.6 cy-gy- vc;aya vo*x 8m.2qcx0 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 maxc8 qy*a 6yvgxaov;2c .y-c m-gnification 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 eyeppu;vgcz;5 rmb8(( khgiece has a f zgm5g ;;(uhkr8vp bc(ocal 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 6o+q: dydk g q ug-qco(84gae+a magnification of 10. If the telescope has a converg(g:gk-c+u 8q d+edoo46q qayging 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 astronomical telesco xf 9r8cvg+ij t0iqn)-zr v) kn9azx10pe with a magnification of 10. If the telescope has a converging lens of focal length 50 ck-jrz t )x 0 f aq8c9+nri)1ingvz9x0vm, 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 limited to a lengthc5ahmt1:2e3v v -d( tm ioxht kg+/km5 of 20 cmg(h:dt+/koc31a tm-25 5vxi te m hmkv, 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 ledrp/u,kn 0g tfa m-2r:ns 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 objecdt:mp 2rk,un 0a/f- grtive. 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 objeqb 7f+rkf, p.el pdjc74xa1x,ctive 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 overall magnificati4fka7, be.dfxc+,p qrl17jpxon?

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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 wha.f hyk 7 p n6.aob2ns,bet18ith a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated nb h,6o kh.e1f.ayp8t72b ansby 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 focal lengthgrw2vsxpzaea;-9o8ca0o9c sk 6d -6 g of 8.0 mm. What is the focal length of the eyepiece to give a total magnifi;szc8 evg orwgs 629a9 -a0ox p6kc-dacation 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 constellationq)qev4qszy ux.8e1 0 k Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 n y qq8ve1kq0u zsx)e4.m, 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 which are 0w 5/,7ninocw w.010 mm apart. If the focal length of the objective is 4.0 cm and the wavenw7n5wci /o, wlength 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 aiqk9/ ;5l)ql:rsnr1v r ad3xl diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor5rqnlr sd);qra / v:x1lkl9i3 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 Telescoa1v lwzoe1 p*: l:ttd3pe has been placed into Earth orbit by the space shuttle. What angular rl: vowe:ta 3* 1lt1dzpesolution could this telescope achieve if the wavelength is 500 nm?

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