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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 exposed in aq 0 s;srsu5w-a camera is determins- qurw s0;a5sed 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 film in a camera is deterbpvg cc1ycx4tq qf+l / 7:owb9n)aq; +mined 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-fc -cada+s v;w(ilm distance may be varied by sliding the lens forward or backward with respect to the camera housiaw;scv (+ac- dng. 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 coverdh 9ct8ji, kg/7( jwljs the film with a field of view that corresponds approximately to that of normal vision is referl kw897 gct(d,ijhjj/ red 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 +b6 od 7*xy ne -moc8yw23mks-4qmk reas 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 of t ow1f-g 3ym*pvb8:f f0;oo ov0e2ztuvhe eye and through whichoefb* fo0pm t wgvz0vo-y:;3 u8fo21v 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 differ9z shyubm04dm)7y-/lop )t g ,g jp8ndent 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 o bi18b z psxa(m;l;.xu8lc,dthe 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 eye can see objects clebebc11 rks4svx2 n1kc.+ar9 aarly 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 clearq6k tbvpy:h,lq *0w57 6gjuxwly 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 perso f 6/92og+,gmxd+kqb qab;ifw n is likely to sufbm ;+f+ fxb,6dqwkqi/o gag92fer 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 b)nvut9v..f* peo v1 bme 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 bacseo a 5-r10qz/pk:n bmk, this gives rise to a vision defect that can be corrected by u or0enk/s:bm-1p5qa zsing

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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 iv gn8 66ot)-jgq rlu1os too short from front to back, the person is likely to suffer 6jv6g1-rn l)qtouog8 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 beva h bzaqy9x5;:+e2-h/j vovg 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 shortgc/ we)9edpy/e5piq9 from front to back, this gives rise to a vision defect that can be cocd/9e)9yqwig /pep5errected 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 magnifzb gas:5 lj+3l5-)ypfq7hshdj (xdh4ying 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 ver nnc0,ut wn28i9m/ q3o+e hpbty large diameter objective in an astronomical ten,h/c8t i e0q+9untnpm 2w o3blescope 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. Suppof/dama/8lew 8se an opaque screen is placed in front of the lower half of the objective lens. What effect will this ha8a 8/ alewfm/dve?

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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 througutfscq38x+-b 4;sz mlhout the visible spectrum, in which of th;c +4t qlbum-xfzss 38e following 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 a magnificata.u0g)2-yne 7a i gau/wqd 2geion $m$. 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 seevz,ah/,gtw 6t the greatest detail when u,aztg,/hvw 6tsing 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 suffe n.og.d7* u:2iir jc ip:9qselr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferwn wrpra:k 6)3 o99mx,r;wtqz 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 oeekf2b ry6y: 7f 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 double1-spoug12 i 1 m6mq:am v4ketfd, what happens to its resolving power assfap2umt :-qm116i4omgsvk 1 e uming that 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 persovw; (rqib5278r pts 5iv gn4x (m eu:n1bznri9n has a far point of 18 cm. What lens (in diopters) will allow this person to see disbge n9sn:q;i(rz(x25m 1wp i8rtv 75r4 nu vibtant 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 /um;i xkcbn : e.qi51fobjects more than 70.0 cm away. What power of lens should be prescribed if the :bx 1iqek5mu nfi c.;/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 pow -l-81-*8 xogtak btk.fkkr/npo e6bver of -0.15 D. What is the person's far point if the glasses are very close to the eyes?v- 8xtk6o- o n -1kf8gea./pbkk*rbl t

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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 for farsights6xg*;qfp va; edness where the uncorrected near po; ;f sgpqxav*6int 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 farsighted person v0cn tyr0lm:9 50a:j rqha9 ncis 100 cm. She places reading glasses close to her eyes, and with them she can comfortah vtan:0c 0nmc9qj9r5ry:a0 l bly 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 held 25 cm from n3,al44 :1bu d sm)ehs94tw*wcmqdna his eyes, if he wears glasseesd cs ua94nwn,d*m:tbq4m)wlh 43a 1s 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 :kiekszb 9d4gfp250mlength of 10 cm. A person has a near point of 25 cm. What is the magnification of thsk9 f:p4i0z e2 dm5kgbe 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 focal len )9ef8nq 2jl71rqy kkrgth of 10 cm. A person has a near point of 25 cm. What is the magnification of the1qy7jqk) 8l ef2n k9rr 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 length ofg.c4s * et6ul.pr dv7w 7.0 cm. What is the magnification if the image is7ct g l6d.s4vweur*p. 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 magnifying gl8c3x v)l9xrcgyqyv9 4o / a)fxass. Wqfy9x o9 )gv3x /c xvl48r)ycahat is 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 converg h tqc6)mpqh08ing lens of focal length 5.0 cm as a magnifying glass. What is the magnif86cqtqh0p h) mication 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 lel+d;: 5t6v5c(fb bdmabmblb2ngths 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 idmb (;c+ m l6ltdbb55 fab:b2vs 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, an-i qz + -(m+wkpe9mc1tj c5saydx04dnd 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the qy+5jixczm4m9pd1 d(t- sw0ack-+enmaximum 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 5i 9x*g:d;;tm.suc8evpj u:d( vzsxdits eyepiece has a focal length :g x:( mcsx vut;u.5sjizp*d8 dd;9evof
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 withzfu t720jj,5xroa,v f a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the 7,,5f0rt xj zfouja2vfocal 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 so et+ eo+ rat)/f61tvwith a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telesco6ott1a/s te)of+ ve r+pe?

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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 length av if4(ca-xm9of 20 cm, what is the approximate focal length of the objectivexm-a(ci vaf94?

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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 lenx 86nly u(c1(1cyql qfs of focal length 1.4 mm and an eyepiece of focal length 20 1(quf1 lxcql6y(nc y8 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 lzs sro( cxx;4rh96,,r w3orf1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A l93srw(roh4,r6or sxc,zx ; fblood 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 focus ht0kw :.uznd dm6,-rv9o lkpgm 714g ,)qehal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total ma41 ge,g, ok m7p0- qt)mu69zvlhus khnr:w.ddgnification?

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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 20lpzi.d. ,t*6cwq-w wipwzcan objective with a focal length of 8.0 mm. What is the focal length of the eye26 c-.*0 i.,wpqpzid tlwwwczpiece to give 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 systema u,ulho /u6: 8njv(qm in the constellation 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 jusjvm8u( a 6,q uhuon/l:t 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 iss +976ye txcpr designed to resolve objects 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 objecy+9ct e srxp67tive?

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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 clg(/ub7 6 /-jf/l3 (uwk e/ zhalb1vnky)w xtnhanges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resoluti3nghzf v7e n(6/wl(u/w jt)klxaubb- /1yl/kon 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 i(x x9(gm f/k1 z jpyx1hzrx90unto Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the waveleu( mpx 9 1k/fxzghxzxr(j901yngth is 500 nm?

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