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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 z . 1d;3ceiw u55yakuuopen and the film is exposed in a camera is determinz e uy51id.3cku uaw;5ed 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 de1mrmhd 8hhu cfyrx2v ; u1213itermined 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 diay o vx)nqybb;v(3h6f2kc4b 0hl1f* sstance may be varied by sliding the lens forward or backward with respect to the camera housing. k n01fs6 fxch*;bba hqyv3(bo)4ly2 v 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 d1nusd.km. -pu 7i1shof view that corresponds approximately to that of k s p17s.inu1.hmdd- unormal 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 referiazep.y 5 n;c;red 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 withcog4:3dx )w7 w gtr)fjuyi+,b a wider field of view than that of the eye and through which objects appear smaller is refedi))cwj 3:xbr+fu 4 ,gwyot7 grred 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 cam1yov5h8 lf6pfq3w d 3zera 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 of light by the eye yixb 21ye8,k xoccurs 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 whiybrhc 8 ,n2*; 1whrvb(, ubdinch 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 w/kgf+p. 3 e8f4wq kpjvhich 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 lv++je3 e: 6ui 8 hlby)ylhnfq*ong from front to back, the person is likely to suffer frhlfeh+q8enibl6 y v3u: ) *jy+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 corrected p4k0bodgb(zbzi/6m f)0 sqr)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, thi n mu4:dmn1,kgs gives rise to a vision defect that can be correcm4un mnkd g:,1ted 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 from ccfu p7(bk e)1v 8t1y :z5f(isxbg *mzfront to back, the person is likely to suffer f 5ufzxm(sc 8zkegi*vt1(p b c7y1):bf rom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuae5 g cr3aerskb7, rppd38;y s6lly 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,vten7i8k:i 3u this gives rise to a vision defect that can be corrected by usiieuiv3tk:7n8 ng

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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 mag-izl1 t ywg-l5nifying 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 e1o09;yid l mua very large diameter objective in an astronomical t0 uy1dle;mo i9elescope 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 opaques*i9uj 9p5cv so5,bej screen is placed in front of the lower half of th5ujb9j s,9v c5*ie ospe 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 throughout the visible spectru-cvi:e7 synoz:tc/u, e ) 9gtqr:l ,gnm, 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 telescope use),7csgi/n9gqorvu,tz c-t: y en:e :ld.)

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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 magnific kljou ty2hu0+ 2)yxg9mtik (*ation $m$. 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 d( (fetwd gdzg0h.j )v7c8yn/ietail when usinid0n7w.j8(ev( /t f)cyhgzgdg 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 suffer2n(; 4wlft7zq tr p.pv 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 .9axm o csj39ffrom

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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 ability tz/o j7w4svai9a(icbl *st) /xo

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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 ralnex20.zx (v qdar dish is doubled, what happens to its resolving power assuming that all other fac20(xx zl.vqn etors 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. Whatm.+- 2 uij2gwwpwh g;q lens (in diopters) will allow thi-pmqjh2uw2.; ig w g+ws 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 clea7 zt b01w,a 1ayh5ihzarly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be wozytaw7h1i0 a ah5 1,zbrn 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 g nult6m +hkef41bf2(az*5qi kyqb2p ,lasses whose lenses have power of -0.15 D. What is the person's6kb,k2 f*ib4(tz a qenlhmuq2p5 +1y f 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 neni-c bhga3njgev 9n*x/2; ss 5eded to correct for farsightedness where the uncorrected near poini- jaevs359ng gc 2sh ;xb/*nnt 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 1003l98w1ubbn c t cm. She places reading glasses close to her eyes, and with them she can comfortably rwc 38t b91ublnead 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+ .afj4k k.b+:x-s zqr :hobri read a newspaper held 25 cm from his eyes, if he wears glasses of+.a-+ir: k: f4jkrh .zsxo bbq
+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 person has a ; w+mai . 3mfi7-wlroxnear point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infinf ;7r o -lwxawmm3+.iiity?

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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.+oa/km gxt pqc r(-/h length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their ne g+k/o(pq.- rmtac/ xhar 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 hass1 b uebh.uky-8) hd6h f2r5vf a focal length of 7.0 cm. What is the magnification if the image is viewed by a relaxeh1hd8) bksb y e.2uv65huff-rd 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 conver hxjh 4n-5eyn: 1p:fpsging lens of focal length 5.0 cm as a magnifying glass. What is thx-nh4 h sfe:5nyp1 j:pe 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 5e.s lx msq85s*8 ipqtz:. d9ex.0 cm as a magnifying glass. What is the magnification if the person's eyeds58i qtq.m:.es 8ps9x*lxze 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 lengt)bt ju1ny 6(drhs 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to buirnyt 6jbdu (1)ld 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, 4.0 cm, 8.0 c 6bcodh fka.5,m, and 16 cm. If you w bfhkc5d .6,aoere to use any two of these lenses to build a telescope, 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 focal length of 200 cm and its eyepieccljaj;; i6c jk;)e uq7e has a focal lengthaj 7jl;6 ec;qij;u c)k 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 magnification of 15vjm p za3z5v40. If thjp4z53m5va zve 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 magnqh ign2,o(ks n 64j1prification of 10. If the telescope has a converging lens of focal lengnhgsn42j pkor 16, iq(th 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 telelu+ *m*y)a hth00,abo3bnuug/b d 4rc scope. If the telescope is limited to a length of 20 cm, *uc*)atunhb0 ub+m3dhr 4a0 g,y / olbwhat 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.wooql* z.5bq-nms)v 94 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sampl* s5 wnq.z)9 ool-vbmqe 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 oft al9.6 -tl x z:c4fkuugute76 focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is pt6u at 7 -x u.k:t9g4czle6flulaced 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 focal length of 3.00 m*ov wpv:ye ctw1yz;4iq*u w4/m and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, wwu*y vcqip44* 1wzoye ;:tw/vhat 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 leng5qg:um0a+h okth of 8.0 mm. What is the focal length of the eyepiece to give a total magnificat5 oh0a+u gqmk:ion 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 constellation Orion has an angular sepah2sle-c.s 7c qzy +:m78tedb jration 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 resolve the two starsm:7y 7scsclq d+ e.jbz28t- eh?

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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 ress wxwy 4-c.rn a5ur7k+olve 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 n4 cr w7skn5-xy+ar.wu m, 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 3qdkmqn505 mvk.sqz3i 11fdc6 .5 mm to 1.5 mm as the illumination is increas1qqmvi6z1s m0n .3kd5kd 5fqced. 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 ;kussl34 p1esg ;fk: iv y0id.igx *7jplaced into Earth orbit by the ss7i;4k:yigguf 0 ij3vle 1s sxkp d*;.pace shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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