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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://autoconfig.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://autoconfig.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 x36yrow 7,faafilm is exposed in a camera is determined bya, rx6 7aywf3o 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 reachapcny3cl(; u 0qwcw31ing 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 lens-film dic bw x1,4vpxc6mn nsck 7h/.g vy**lb2stance may be varied by sliding the lens forward or backv7b,s pnmxb c/n2cx*l vgy*. 4k cw6h1ward with 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 that cy 3ug2a5z43m71w9wu)le jvadw:rnreorresponds approximately to that of normal vision is referred to 3)v4wa:7ewrg rwul1 ya j 92d3nzume5as 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 telesc0 lcjpx:be8h2ibm q s(qi8*e /ope 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 co qpsqe*6.5)d lehhqhf*di 9 i6vers the film with a wider field of view than that of the eye and through which objeqe feqlq*dh 5*pd. 6sh9i )6hicts 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 camerh 8k71ld mc av*j5c.fva 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 refracti *ecvb-ktg()6gjqb89b4no tion of 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 eye can see objects clef x6j-km +zr9tarly 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 wq 9nfdx 8 n,y*g:cm:xat which 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 from front to back, the person is *f6ond j5 wlx:etkj jis -+bf25x kr93kprn6( likely to suffer frof +elxt -d(rr5bijj9 k:n* 5knfjop 6w26sk3xm

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually vu:4tiwns 4qnt59ww9be 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 gives rybpl8a4az)h4hnf nxm8k 8 pa7xv:vo 88i a.8sise to a vision defect that can be corrected b.:h44ax88 xa8s)oy78pihavbap v8n k8mn f zl y 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-y4o -s2pvq; b ae-czh short from front to back, the person is likely to suffer f-vqsy;o2a- c- e4h pzbrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu.3taflpe,/bz h:8tmually be 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 iuh, 731wg /orwadbqt rdm)d93s too short from front to back, this gives rise to a vision defect that can be correctewrmr), q73 w9/ tud1ohdd3gabd 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 magnif t5i(vze*v0 anying 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 an astronorjzf317(yie j ys(x2dmical tel1yf yeixzjj2(r7d 3(sescope 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 opa/cq mik.tp1qpiiv9 ,.que screen is placed in front of the lower half of the objective lens. What effect wil,9p1.m iiiqcqkt .p/vl 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 throug8vlvswtch2gp )/za wc t)2 p+0hout 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 is the objective lens of the tescwh)tp/w8pl+2 0czvv) ta2glescope 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 magnification/2/yq lbmadw59 ,3ud fitu n*u $m$. 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 .qow p :.zhdukma6/h1 would you expect to be able to see the greatest detail when using a w o.h.da6q:1mupzkh/ microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frjd56z5ph c0jyom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors su(zy0kre i-0t nffer 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 awjurv(7 h.j2o bility 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 de5yw 8h uolc24j:mn0/jgmu.,cc4 dr iish is doubled, what happens to its resolving power assuming that all other factors ruyn/u5m8 jml j0cr:4h,og4cwedic 2.emain 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 diopters) wilf673tza0 clrql5bq9 wl allow this person to see distantcta 5z3rl 90q7lbwq6f 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 r6*zrn5shw saz1v)4laway. What power of lens should be prescribed if the glass6*lr hzr5a1w zss)v n4 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 wear/j8yxfhs0rcl0il .k3tidm1,xlsk 6 0s glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are veryctxk0y8xksl/6d 310 i lh0 mjf,.s rli 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 zk9oy ej3 , ,7c5jipfito correct for farsightedness where the uncorrected neazi9fj7poei 3 k5yc,,jr point 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 is 100 cm. She gg7tu.vyl2e0places reading glasses close to her eyes, and with them she can comfortabyguge0 .t7l v2ly 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 newsp b0)bk(,grlgc/ mba 9taper held 25 cm from his eyes, if he wears glgc mr0b, /(9gb) katblasses 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 lengthesgt u c8i /qosxn8b+ /v7: ae/)8xvzc of 10 cm. A person has a near point of 25 cm. What is the man b :)z8e/veqx s/t8/uc gac8+sx7oivgnification of the 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 length of 10 cm. A per*2 uhtd rk31fkson has a near point of 25 cm. What is the magnification of the lens for that person wtrk1 *f3h2ku dhen 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 1gyix va bch 0*0m mym+9yx8txen;,jx-(p 8mcfocal length of 7.0 cm. What is the magnification if the image is viewed bmbhm98xay0e1xj -g,y;mip x x +m8*0ctc v(nyy 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 glass.ea),.5q)sy s:3(mxsyvtson1 5/o z+ajnukmp What is the maximum possible magnjssnma) t5,:u.koyan s +(15m exq p/3 ysz)ovification?

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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 convergin0fj omg1tx; +l)niiw+g lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the ;igomxfl )nt+1w0+ j iperson'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 focaw*;2t m qay(rsl 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 *s m;t2ra(qwyis 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, 4.2 nod3q2 p/o)pas m:yx0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what 2yospo:am3n x/ qp d)2is 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 2tk 5l,u9k1f ek00 cm and its eyepiece has a focal lengu1k 9,klfetk5 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 a 1exd9gck0t/n9 8cfwfs vhy-; stronomical telescope with a magnification of 10. If thshc efc ft 0xyvk9-;gn/d1w8 9e telescope 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 10hmw7 ghc;;eptqs,cu+gl ce ,7 e5 9i6b. If the telescope has a converging lens of focal length 50 cm, wh msq,5h,w e ebg9ehccti6;pc;+7 lug7at 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 kmp2,+hq de3s a 10X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length +mqs dkhe2p3, 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 fubt: ojlv0 g,4ocal 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 objectivl4togb 0:u,j ve. 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 len(.7u-xhcast nu0 0ue gd7 u1hss 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 magncuu at-g7u0hsxs un.ed(h 71 0ification?

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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 ofijq0 r6padh) 3w4t o-w onc pfe.s7p29 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated bdr. 3p62wes) 49c f-oq0no7ja tppiwhy 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 objectivebng: i:ndpz; q*n qv*; with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnid :; i qgbz;*nn:pvn*qfication 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 constella8ct y( 2zi.yt 5wex.eytion 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 j. 5(e. eycz2wyittyx 8ust 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 0.010 mm 6g c8 f7xwd6ikl80jkpapart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diametercxi066wfk8 d7g8kj lp 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 ch +veqy j1u0c-banges from a diameter of 3.5 mm to 1.5 mm as the illuqc0 e+v y-bju1mination 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 Earth orbi:0x 1v;hc fuf6mf9vnqt by the space shuttle. What angular resolution could this telescope achieve if the wavel 1x:qm0f;6vuhf cvfn9ength is 500 nm?

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