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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://autodiscover.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://autodiscover.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 ex44 ob- ft.uy.v3sdzlpe)a6 vsposed in a camera is determined by the4z-uftsylv 3b)dpe .os.6v 4a

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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 reac -gblduz3 +u**)knusliyty; i; w: a1mhing 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 l oy *-)orb mv xp6cp+.mzdz6l6ens-film distance may be varied by sliding the lens forward or backward withx)bpvyo- 6rzp m*lm6d6 c.o+z respect to the camera housing. If, with 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 with a field of view theq4:h cbh0k(a at corresponds approximhab: k4( eqh0cately 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 likhg:;+pc /mrw m6a3fvj e 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 film with a wider field of view than thaz(fg :sedaw :;wp vt0)l8m:e mt of the eye and through which objects;ewv :sl( gp a:0wetdfm8):m z 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 ccfiv tet)e7 zt u8)v.3amera 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 okz h gol: o;s1c+zzn2krh wo s 8h7xiy3/3mu)4f light 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 at which an pcoi 5oza97iofp1j*.p 0j) xheye 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 objectgth6 , )apkigv taqe:kixa;2 (028 llis 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 .6 gbqv q6vwo8f8r fc:back, the person is likely to suffe :gf6f8wqvcb8oq.r v6 r from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usual zllxgoab7ne3s;ss3nw qes.6+jz;; 9q9hxk / ly 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 del0 t*j;1j23eqbs nzgives rise to a vision defectj1ls2ted e;3n*0 bjqz 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 frovd ,ss 9f8t6mqm front to back, the person is likely to sud sv8q9 t6sfm,ffer 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 corre89dwei.q 7ntcj 9xd g7cted 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 ris6: +ghpa 4jot6ac2pdiva(7(,+tyt sox q)p ile to a vision 7tp: i l 4qvjhadcs ++t(,)xyai6o 62tgpop(adefect that can be 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 magni:bmr k vi,1 z4yo6sn2qfying 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 wsb4z :y,yt (a2e1brein an astronomical telescopee1 yw4es zbtarby( :2, 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 screen 3l/nem0kc c e2is placed in front of the0 m/nel23 ecck 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 use -)b:mibav.sf d has uniform sensitivity throughout the visible spectrum, in which of the b:fiv-m ).basfollowing cases would you be able to best distinguish 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 telescope has ah9 xoon vgs;+ d+* -bh2rip jf944exg7 czww:d 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 to be able to see the greatest detaxlcvsx (*q.4 cil whe v( 4qslxc*x.cn using a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufferf6f m2pigcdm+l*,g-.oir+nj 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 frobf1zz /z p1v+/tlqhw+ f oc 8/-h3bnxam

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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 rew8 ey ;eaa*;omfers 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, wr shtg* ,es-s)y:.hyn eq j2z:hat happens to its resolving power assuming that all other factors remain unchange sqsen:y:ehs-2tjh y*zg) ,r.d? 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 p8x.sc ,jsr 2jwgm8s5u oint of 18 cm. What lens (in diopters) will allow thigw8r5xs.cj,us 8 sjm2 s 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 t2lx dy c 1aj6mg4dq8+,+gvlsjhan 70.0 cm away. What power of lens should be prescribed if th+d s axqlld6,8g gm421cyvjj+ e 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 lenevi g 3zv;:2dw:lopkh d9 2y jd7v-h;yses have power of -0.15 D. What is the person's far point if the glasses ar d2ovvye z -i:y:l ;9vp3kg7h jh;dwd2e 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 fi2 a,ayo; 5 r-yb:glvnor farsightedness where the uncorrected near point in y5-b:ava ,ly2;go irs 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 farsighted person is 100 cm. She places readiww z7bu/ jo/d tjjv 331n.q6hhng glasses close to her eyes, and with them 36.wn/3jhwbqd h/tvuj7jz o 1she 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 a 0unu2chuy95h e+u:ynewspaper held 25 cm from his eyes, if he wears gla: euh2+c auyu 950nyuhsses 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 o dx4oc 0svs)u mif2q,2tl2/ uof 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that,22x mo/fct4 vl2 i oduquss)0 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 focal length of 10 cm. A person has a near point of 2gq ,2ixbex 1w:/3rwlv5 cm. What is the magnification of thx1x / viwb,q:wler3g2e 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 75ti:6 cqhjpz9i r 0uhlength of 7.0 cm. What is the magnification if t9 5h:0ti7 hj6r uzcpiqhe image 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 fo4gv:qcnlhciq)-h ;: acal length 5.0 cm as a magnifying glass. What is the maximum possible magnifi hvnl)- c aq4;h::icqgcation?

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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 i00 8z4t8nnxdlq ecp/wn(gj 6magnifying glass. What is the magnification if the persz8jt/ eq n(cg0w 68xnn04lipdon'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 lensniu czoq ix/w33h+( o0es of focal 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 telescope, what is the maxi (coo3n+0/ux wi3 ihzqmum 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. I ;s*r-l wxb 8/wfb7dssf you were to use any two of these lenses to build a telescope, what is the lens se-/swb d ; rx*wslfb78sparation 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 k srb-r3z6jl /a focal length of 200 cm and its eyepiece has a focal le- sjkz3/b6rlr ngth 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 wys *n:cv;/xvsum pc*id v m70gpxa)86ith a magnification of 10. If the texp07c sn)*y xa vv6d8ivp ms: *cg/u;mlescope 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 astronomical telescope with a magnification of 10,opz:bm5 m* *eq*/ tmp/co yfa. If the telescope has a converging lens o* mymtbcpqe*/,mz/o p:f5* oaf 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 livum i*nu n) */03 ultgf.wahh-mited to a length of 20 cm, what is the approximate focal length of the objectivali nf*m-t uw .*n/h3h vu)0uge?

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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 objecti/k/df wkc1s u,2(-pff( fel ahve lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimuf(, 12/kcplw/ fa- (f dsfhkuem 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 focmq;77lyk.ninbm;ah.t-c y;j,d 5 iud al 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 magnification?5.m t7ij-, n uy7di ndqa;.mk;lhbcy;

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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 eye:dfh 4ac 9e3qspiece of focal length 6.00 cm. If the tf 4 ahqs39:cedwo 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 barrel and antql2 l6qeca c--11q p0c,c r/ork)kqv objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnvc0e qp6, 1 cqlcc2)kk1-q/ tlo qr-arification 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 constellatav1+mn o t1o zi/vlc(/ion Orion has an angular separation 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 resoz(nvio+/tm1/ al co v1lve 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 0.01/k3uot4n npwwm2m 2 +y0 mm apart. If the focal length of the objec/ 3 nwm2w+unmkoyt p42tive is 4.0 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 diameter of 3.5 mm to 1.5 mm as the v *md1 h+:3tl(ot0 p/otbdpkzn tiq,3ilp1itdok3t*vmt,3(q +b p l/o :ndzht0lumination is 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 fms+a/p6av 2e Earth orbit by the space shuttle. What angular resolutionfae/mvp6 + 2as could this telescope achieve if the wavelength is 500 nm?

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