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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 expoe:k4 g*dk xneg*cfn3e-- nmofv2.y,bsed in a camera is determined bkemfvfyd gc*eego-3:nx. nb ,- 4*2nky 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 reacf:ih2 eq we99g.jk po7hing 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 distance may bh;rz a-oimye 1gn2:t4ug nn/+fnqlu) z0g47w e varied by sliding the lens forward or backward -f+nouritng:h u)40 w7z ;en q2 4nm/al1yggzwith 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; sa,yht8j+h*m* ni jw a field of view that corresponds approximately to thah*w8jjma;,t yin *hs +t 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 ma xb h;1gk(kqt3gnify 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 fa2 kosh1n9khsb p -.8qield of view than that of the s.as92h po1h8knkbq-eye and through which 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 follo l(6 ldsbhw v.icj ;jq+zh95d5wing ways is a camera 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 occzg1iyy:d1 kvn4- p)qk urs 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 clek qn(5ox; g8wlarly 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 objeczeya8318 nqqlt e9t.fts 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 likely 6oodc3tag51g.8j sm5be 2fftto suffer jme315 5ot2c sd fgtagb .68offrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallym *iqb.4+o zuh 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)kyr7r h v(x(o long from front to back, this gives rise to a vision defect that can be r(y7( v)hoxrk 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 fromcqo1ocq*piq8 il: h/6 front to back, the person is likely to suffer frlcch/ poiq: q*o18i6q om

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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 cor8u .vg-,ss8o oq( aegprected 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 sho;m of a aas(*i-xut68crt from front to back, this gives rise to a vision defect that csa u(;6a of8mxat ci*-an 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 e*w8k 2(vw 9deuj )0oiood3zua 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 diameter oj bwzjm761q)x7d6o6 l ldcl4i bjective in an astronomical 6 qc6 o4ldxl bji6 jzl7)w7m1dtelescope 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 ry) ynutq 4x9f9efracting telescope. Suppose an opaque screen is placed in front of thxt 9yny4u)9 fqe 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 sensitivity throughout the visible spectrum,y vx(p)qb9o3 oqz8j2c in which of the following cases would you zby3(oj)pxqo c28q9 vbe 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 magnifical/ nsn63d8e mejo7d8wtion $m$. 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 bep 0ehe-e9p+ey able to see the greatest detail when using e eye0e9+h-pp 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 sufferpyp.swf1t,6 n 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 fr87e bjcqfb*mbw89csx l7c f,4-j-e r com

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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 microscop*1*8a5j ovkox az8zh*zp ltj(e 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 res vz -ckpw3hq3f(iq; z4si( dy1olving power assuming that all other factors remain unchav y3 i;kq(sqd(f3cphw1-iz z4 nged? 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. peh oxpc6 v 3+)9mlgr,What lens (in diopters) will allow this person to see disgp 3c6hl9 vx oe)+,pmrtant 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 objsr0;b of:h9g-o4gm g mects more than 70.0 cm away. What power of lens should be;0 r-m om9gggbhos:4f prescribed if the 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 glaxk,38htbc gf7sses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the 3,ht8 b7cfkgx 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 for farsighvg5 3 bi/lgt*xd6 yy zld:fldw-1 (p.gtedness where the uncorrected near pilxvl*gptdg / g (b6wd:yylzf5.31- d oint 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 fasn-hzku q6h4t+ x7(pg rsighted person is 100 cm. She places reading glasses close to her eyes, andu zkhgh (x-t67+ps q4n 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 ne/ d.t wma3ylx6wspaper held 25 cm from his eyes, if he wears glassesx.yadtmlw 3/ 6 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 aue aeukt+b2x.j15 -ff 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes aefae1bk u2-.+txuj 5a re 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 vwcc8pt ac 56;w /qkvhg;ss*b a- 8p-dhas a near point of 25 cm. What is the magnification of the lens for that person when their eyes vp;w -ccq/;8awaghtsp- 8bcks dv56* 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 magnification i po.jhxr.k9 r5 g-6/hnubdae *f the imak hrxg5j *bhaeno 9rp-./du.6 ge 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 ofgl/ (gtqm. 3sr focal length 5.0 cm as a magnifying glass. What isr 3/tmqg(g l.s 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 o9snsxm8du-wg,;l;b h f focal length 5.0 cm as a magnifying glass. What is t 8xu-sbwhn ,s;l m9;gdhe magnification 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 lengths 2.0 cm, 4.0 cm, 8.0 cm, dkkr)lcvl;2dr b. ,(zand 16.0 cm. If you were to use any two of t;cdr. k ,dl v(zl)rk2bhese 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 foca*:j igxqk-.ij lgg6b3u*p w1qd/ t(uvl lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification t-qgug1i iktl/.*ubj( wx:j 3q *6pgdvelescope?

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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 eyepiece d.wdf7 qxfk.318;chgg6bu pvhas a foc .3p.ux 6 vg kq7db1gfw8fh;dcal 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 ae.c. )kskee,v magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the kk)c.e v ee.s,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 magnificoao1gy he8 e/ik/8hy,ation of 10. If the telescope has a eoh8/y o hi/k8a,e 1ygconverging lens of 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 telescojh r n)gv.l:5rpe is limited to a length of 20 cm, what is the approximate focal lengthl)rnhg5 . vr:j 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 foczpcv /3yiy1a rh-o89yal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm fra3 -i9ry 8/p hz1voycyom 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 1qj*u cu7ptz6m;c , (pw.4 mm and an eyepiece of focal length 20 mm, adjusted for minimupjm(ct,uz up6*7c q;w m eyestrain. 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 objective with a o.vjym 4 hx1a/)wes-bfocal length of 3.00 mm and an eyepiece of focal lengt sby/owv. e)m4xjah1-h 6.00 cm. If the two 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 an objective with a focal * r7bu. rosoi5u1nw1nlength of 8.0 mm. What is the focal length of the eyepiece to give a total magn uu7nn so*r1iw5r1. obification 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)u +i)kp ihrv1 angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallek1+u)i) rvphi st 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 jr m30n ht)jp9r;omb9y7pdt ; resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and m3 t);t;jrr9hnby90d7mp ojp 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 k0bsd 7nd.+frvdh77t eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of r n .d7rbd7sv+h0kd t7fesolution 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 orbz9p7 *;8xzx/ vlka;xfhi6k -lxah /l zit by the space shuttle. What angular resolution could this telescope achieve if the wfzl;hip7kz*x8/az -h xk 9lxva/;x 6lavelength is 500 nm?

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