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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 rzti97tf3;h xexposed in a camera is determined by th t9xf3i 7thrz;e

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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-2:ppe jz1mt8w.m.ve zlshb bbb6 r.0 hing 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 thed7dz )q u3+kr/vo b:f:fnon o7 lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such aozrqnf+7o/ok:v du :n7d b3f ) 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 corresponds-adfm 7 li98g ae9/ujnjp)by + approximately to 9 a-jb/+ f pde9i a)nulg8jmy7that 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 r1fqihgybn)6 if66rh j-1x4 dkeferred 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 cv8:g zb y5l)*x sy: g+dh9jjekovers the film with a wider field of view than that of the eye and through which objects appear smaller is g *xlg sd :v9e8yzj)h:+byk5jreferred 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 ey kn5 fht:n cf 3um4.mk 2b7fe58sczeh*e?

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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 bypbh2d+do 6g* j8 8rj0 cdgy.op 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 e :b)y,1wu-dnur/ hbzwhich an 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 sc0 uajy4:.:il/v k8d 8pqtwngee 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 pee 4 cyqni),(l f+n 5jv8c,bfcyrson is likely to suffer frcicbn8 fe,4 yn yq+fvjcl()5,om

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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 correctedildqdhsg 37b62a)9 or 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 rise tolf.7m zpp0h y8+zgl)c a vision defect that cagcyp8l+hl zm)f7z .p 0n 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 )5mj-lrpnreagbqv -. v + .rs;short from front to back, the person is likely to suffepn 5a.r.m +bq;) rvr -glsvej-r from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can uswb hg/v yr8d0-w8x6nqo. a fu/ually 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 is too short from front to back, this gives rise to a v d0,t*pao7oq 58nr4 yfos n2qp1qcd (: nxfc/uision defect tha7on n(ocx 0qfq8u*pr4o/ a1cf ndpq:dyt, 25s t 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 axuezc4g 1p:l y4; nf5o magnifying 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 di1/i) ecvkl: xv ci-cr;ameter objective in an astronomical telesco:i c1ke i)vx;r/cv c-lpe 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. Supp9g-o0gl,)b 4q kkrwylj 4un(j ose an opaque screen is placed in front n4l u,gojwjblk49 qg0(r)y -kof 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 sep8p1 9tk7zi f:q*khnq nsitivity throughout 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 tn18 7:qpkz fp9*tik qhhe 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 magnifizg-hxi 2c0r fej:x/ac;v. jt.cation $m$. 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 ablh2a.xuy1ssrn, 9ely )k4pdkq*hol 2 3 e to see the greatest detail when using a microscu.k,d hs9oa4r 3qk2x*)p2 el1 lyynhsope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufjnjo1mxfh 0:po.qn2 3 fer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf)m(hxli)-l1vj m nue8 fer 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 micr*j5crklamr (3rr yqo5m j i. 2d38re7uoscope 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 resolvfo*yzo/:t: c ving power assuming that all ot:ov /:yfotz *cher 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 diopters) :0 g-l wtijp- e/0ylfgwill allow this person to see distant objects clearl-lfg 0i-w/glt e0pj:yy?

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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 7a :tkxxzks08fv he )5;0.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in fro : ;8ke)0tas5fxkxzhvnt 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 eo:v/94b odzz bb 7gl;power of -0.15 D. What is the person'sozg o zbl:7db/e;49b v 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 needed to c*rrmd8um6 h)jorrect for farsightedness where the uncorrected near point ijm*rhm6 u)rd 8s 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 farsighbfaax02*e b (pted person is 100 cm. She places reading glasses close0 axpbe b(2fa* to her eyes, and with them 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 held 25 cm from his eyea 2(tf-w y;szrgc6+m ts, if he wears glasses -f +wt6tmcg zsy(2 ar;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 pe,hkn2( aok*s4.jgw c brson has a near point of 25 cm. What i(kn4bo *k c g2j.,ahsws the magnification 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 person has a near point of 25 wtb4,vbavq- 2k *5v, zlx7lhb cm. What is the magnification of tb-vtwv,,lbb * k q54x 7v2azlhhe 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 of 7.0 cm. What is the magnificaw rro7,wl vf60ac7+ gntion if the image is viewed b ,0wrl6w+ f n7grvoac7y 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 le 73h+ac8ytift:hnvi5 ngth 5.0 cm as a magnifying glass. Wha8n t ihyv+7cihta 5:3ft 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 converging lens of f3j2f/b1 wr q h6qsduvmyd 6/,z o)i/wfocal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relax,6s)vdi owjfqmh/1y b6u / fr2d/zwq3ed?

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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.s 1;vr4e)5x3 xujjoeq 0 cm, and 16.0 cm. quo4x53;s) rxj1 ejev If you were to use 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 2.0vidd;k 7 un(6ejr8u7 v cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telesc6u; vd8en7jkr(uv7id ope, 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 fohp1fy h.1 a,rvcal length of 200 cm and its eyepiece has a f1va,. yrhp hf1ocal 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 a magnjwm9k. p t0qk*ification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiecejt.90 pk*kqmw?

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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 g r7jg.0*m(pvvhs5 yb10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescopv hmb* 0.j(gv7ys5rgpe?

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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 teu5km26tvf9;+p r zl dge8/bv2px 6ivn lescope. If the telescope is limited to a length of 20 cm, vfx2lk/gdv586mi +t6pzep 2bu v;r9n 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 lens of focal length 1.4 mm and avw*-* tdjm.p4p,kl kmn eyepiece of focal length 20 mm, adjusted for minim *pmk* ,vm-dp ktjwl.4um 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 lt*ss:y .jce 5wens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum e*cwt:j5 eys. syestrain. 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 z exws/v nm7g6ii*94 hobjective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated b w79gsiez4mhx*/v6 ni y 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 length of6a pqr7y6mr6i8 x9keo 8.0 mm. reo a68xr 66pqmky9i 7What is the focal length of the eyepiece 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 system in a4c/ ik5ggpe0the constellation Orion has an angular separation of 10-5 rad. If i k0gp5/gc ae4the wavelength of the light from the system is 500 nm, 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 0.0yhag gu (4n(/k10 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 objective4yaknh( gg(u/ ?

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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 diameb uurc,o**kt4yz s8)u ter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum uc)rzy* ,u8 bo kt4*usangle 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 Telescop)lv) /u1pdf mo bul;(je has been placed into Earth orbit by the space s)dv;()ju/om 1lbl pfuhuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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