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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 a camera 9q2ynjpvade+-h.mvadp0 wt6 /3t -f sis determinedt23a9.j 6-enyvf0pp-tqd/mshw + adv 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 reachingb * 20fs ug00gwuyaaz4 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 afihsv4+ 1t5 t0uf-rycamera the lens-film distance may be varied by sliding the fth054 r+ is-auvy 1tflens forward or backward 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 zw*2 ayi:hvl9 film with a field of view that corresponds approximately to that of normal vision is referv:zla yi9*wh 2red 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 as a zj amdh lm7nbw225d2xk4/ 3iv

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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 j6an6j)s(n9ljp hfpdhx *p0y(y)x d- the eye and through which objects appear smaller is rndja6()(*nl x6yfps - yhp 9dhj) j0xpeferred 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 th*/ quz4e9.l+mt wlaog hc/m1ye 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 refracd: 1yfsiun1 n2tion 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 a1xfeu-5sj g ;nt which 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 see objects clearly v1 dc7ogchyy4 l2y9f 0yr-gm;c z*7o ois

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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 bn/ y-j 0yap tei z1zbj-sah4; ll0)3kpack, the person is likely to suffer bzishl3zk p e4nat1j)j ya;0/pl -0y- from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can ussf.xrseb0a 4)o2bj)t ually 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 long from front to back, this gives rise to a visivuzz a+:o475o a3 lubdon d 7od:u5l 3a 4ua+vobzzefect that can 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 tooyy0rpp j)6ed: short from front to back, the person is likely to suffe0ydp:)p 6r eyjr from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuallrxrid a ;3h:(pca-r*jy 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 toof z5 u+ 6mlarmr87oj0q1cab4 v short from front to back, this gives rise to a vision defect that can bero6 c 1+zu4 b ma5v0jlrf78qam 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 a magnifying gk7( he+or) hmh2ghvoradu 7-/js 1m klbm60: olass?

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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 au5* rudz04)v)j o5dz gfgmab, n astronomical telescope isb g*4f 0a 5uz,v) jdzgu)dmro5

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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*n :3ljz9vkmlyg,(e;k.ldps an opaque screen is placed in front of the lower hal,: zjnel9 *.pk;3k (mg dylslvf 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 visib0n1ukkzh1d3pa wmy**ne(l l 09o t l6ule spectrum, in w l3o z0hn(0an*w1l* 1yk9 6lkmpeutduhich 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 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 oymvebmq o);/sde)*0 $m$. 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 deta596 ;fprsr7w)c ss cx/vvl:(araa k x3il when using a mr3 cs/x9wrkps )val 5x a:;7(sf ac6rvicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufwwn4.d5qeb5 pa5vhkv qq i6r)c)(td3 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 sumf9;udoo6prk r4 )(shffer 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 microscojmz*wy;;-r jjv7c2e iw 1v9l pmj 0e5ipe 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 i * +1cfm4fjvguts resolving power assuming that all other factors remain unchangedu vc1jf4+fmg *? 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 nr*he2aao-el th38i,lens (in diopters) will allow this p3nharei a -lo*2ht,8eerson 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 clearly objects more than 7d-9 k)qx)y( pcpgb-k2bnotx;0.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of the eye?)xt -(d;ngk9 )c-bq pkb2x opy

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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 hp)p /,asav5rnave power of -0.15 D. What is the person's far point if the glasses are very close to th,s r)n apap5v/e 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 farl8tn9:n-/vm /iu+lv nyvzh m(sightedness where the uncorrected near point ih lmnmniul+8n/ /tv9zvyv(-:s 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 places reading9tvo c/82mao , qzx t3o+h7dhv glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm.vcatz7qo,m3/xood 8 h 9h2t+v 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 caov92l /7n+bg g2kd:mbinddjm h:- p s5n read a newspaper held 25 cm from his eyes, if he wears glass hkg9 bmvd j/ns-pm2d52ng o7:ib+ dl:es 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. 8ozbpm +p +ko7 A person has a near point of 25 cm. What is the magnification of t+7p pz+moko8b he 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 n;bb2zq;3dp zyear point of 25 cm. What is the p2dbb;3; q zyzmagnification of the 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 i wdvc x i :5,7tmr/tlz12h7ukes the magnification if the image is viewed by a 1mwttceu ,i/lvk7:5hr 2 dxz 7relaxed 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 convu 6tn/5g f1z-pgha qg.erging lens of focal length 5.0 cm as a magnifying glass. What is the u hqzg.p -1/ tggf6a5nmaximum 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 5.0 cm as a magnifying glass.i0/ nj/ 8fxopc What is the magnification if the person/fic/p8xn o j0'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 leh6ayofu;q 73+*j bum gngths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to us boj +ahyu73 *uq;f6mge 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 2.0 cm, 4.0 arc 4(9tjl 8iacm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lenstc4(la9r8 j ai 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 d3ys/.s1 1eqjqsrngya*7cf l05x5k q focal length of 200 cm and its eyepiece has a focal 1sd gfsyqr axq5k 71q/3 lj .scny0*5elength 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 o47:xcd i inmb yi2b99hf 10. If the telescope has a converging lens of focal lengt4 nyc9id :x7ii9bmb2hh 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 a l;6i4y3 k*xhug xpjd)n astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm,;dxhpjlkg)6 4iy 3*x u 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 telescope is limited pwl.h6l4n- v0 j +qauqto a length of 20 cm, what is the ap q4qav u6l+0h-nwjl p.proximate 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 objmw6z rvtj j6)u;quf;0gy1 f( bective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 6 gum0;vbfj 6jz w(f;)1 rutqy1.5 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 ofg ( .2fmplebmx;+ql f1 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 objelbfx+m (. l2gepf1m ;qctive. 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 am:1 /c rpu pjlgwib+nea di cg*/:x+7 w3npj,5 focal 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 ncm5:wig:bu+j1pgc,d/3eawl/n* jp 7 +xr p i 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 fo9*q j;p al8kxwcal length of 8.0 mm. What is the focal ll98xa;*kj pqw ength 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 the constellation Orion has an an 4h+fa2p 4ieslgular separation of 10-5 rad. If the wavelength of the light from the system is 5sip 4lfa24e+ h00 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 0.01-6q wgnv;*gxb0u2 ljh0 mm apart. If the focal length of the objective is 4.0 cm anb;gq l0 ugh-v*nwx2j 6d 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 e, zq)yte2 mk b8d8p, )taup5hjye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is incretq t e,m8kap)pjh d, 5)by2u8zased. 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 intodg-ezo 3 386uxwu x8qp Earth orbit by the space shuttle. What angular resolution could tueg3ow 8-u8q 3xz6 xpdhis telescope achieve if the wavelength is 500 nm?

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