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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 exposed in a cbsg0juj8pv1 ifg9r4u cd 2p.-amera is determj rv1g 0j9-dcgu .2ufp8s4 ibpined 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 ld2w-we- ci5)e .l5do(nom wdcamera 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 cam dvwbi0wp3 1iti)f /wi+9ov u.era the lens-film distance may be varied by sliding the leno+/i0)wfubt 1w3v 9dipw .i vis 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 film with a field of view that corresponds 2 f;ceh*p in+mq ifv(/approximately to that of normal visionviic fn fp2/;m (*+hqe 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 mag.jiixkrlt 57 z0d/u1vs.,ghvnify 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 gf3:cjncfu .krv+-o+ with a wider field of view than that of the eye and through which objects appear smaller is ref-cjfr:cv. onf u3++gk erred 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 eyz p(11ko6 rknft.pp5fs)a:sz 2soj d3e?

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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 litk;ml 4m.ku8k)k ns:d ght 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 :cr q aq;zzra*ooaaoc5 70h,9 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 ip)n4 jogw87l 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 fr)77-.h yb r u0yykxmi/,fppquont to back, the person is likely to suff iyfu p)y07k.ubxy q/-pr7,mh er from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallx8dsio77s0gy lnf8z t*k :t p,y 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 zxo,s)9d- (q(fkgbp vlong from front to back, this gives rise to a vision defect,kvd(gz()f -bqo9 sx p 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 too ox.sn9 liy)pu(m zvy jbj2grx2:l f2;- 2l9fnshort from front to back, the person is likely to suffer fr2 l ;2nyxv:jnzlfu2 pgs9j )yfr-2 lmoib .9x(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 crj /s: ly,.ijmorrected 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 th9p4chq b*k45gzr0j aoo short from front to back, this gives rise to a vision dc 0prk z5a4hh9gq4bj*efect that 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 a magnifying glaph)lz7f1fw)9j glke( ss?

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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 ver jrmnqh;6p6 ;m4n 8xpty large diameter objective in an astronomical telescope isqx j4m8t6;pn6mrph n;

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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 opaque screed+xiqn)w4oa +zf 39 kzn is placed in kq n+afd 4ozi)xz3 9+wfront of 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 sensitivity ty4a isv v*b)*qhroughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The )*vvi4*bayqs 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 magnificatio r. 1olqz)/dr(/dig kgn $m$. 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 if6a 5*w-j keeable to see the greatest detail when using a micros65jeef-wk *ai cope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer gw+ ayyx*/3nvu t - ,8h i0lvedltqc8: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 fromjyen0 . p:j2 qvtz80yh

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power of6q(j,drlo3qyq.e u 2 c a microscope 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 dishok)r8n48b bzh is doubled, what happens to its resolving power assuming thaob8 ) 8rn4hkzbt all other 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 howpe4;(-phxbyjx o 4m8-d 2r las a far point of 18 cm. What lens (in diopters) will allow this djy-p- 4 xo4e o 2r(mb;h8xplwperson 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 oz4fvbps 3b(+ gbjects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.0( szfbv 4b+3pg0 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 glasses whose lenses have power of -0.15 D. vg(sbz0r7j/i What is the person's far point if the glasses are very close to thes r7(/g 0vzjbi 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 farsightedness + tx;cqth.m s/;)jnb p(jbqx.dj:r5swhere the uncorrected near pointx sc5xb n dq .j/s(pt)h;m.j+qrbj ;:t 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 places reak3ez g9wtz3a. ding glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. Waw.t 39kzzge 3hat 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)pg* ,fa ,qwqv;6li y7rxjq .deo,xf2k84q inaper held 25 cm from his eyes, if he wears glasses dw4q )ayi r6gq.8k2of,vx,q i ,;f*7pxe njlq 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 bi 5mn b,4k8myqo+qh 46/3hj: ezsuif length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when theiro5by ie fhqu,nqm6/83 jbk h+4zm s:i4 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. l9tqdd,s b u,lcc0w17h:j.xo A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes asbodjq1,w9tu xld :0c7. h,lcre 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. Wj9eg p02xwtzp -lm/gju (; *zmhat is the magnification if the image ig e-* j0zz/p gm2luj ;wmx(9tps 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 of focal length 5 twp1669zmiiu2p*dro.0 cm as a magnifying glass. What is the maximum p6 p21mut96zdpwir i*o ossible 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 a0 zrb )distdthg*-4s5s a magnifying glass. What is the magnification if the person's eye is relaxedt4-*hs05bz s gd)irtd?

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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 leng*ma n;n8fy fzm4e( t2tths 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 is tha 4nznm e*tft(y8m f;2e 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 ui5w)z eh3sl /of focal 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 tele /z wiel)h3su5scope?

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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 telesofcc )e- ld8gl. :rqc5cope has a focal length of 200 cm and its eyepiece has a f. 85flre: qd-clc)cg oocal 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 bn lq:9 ( 3s(qwggow2ei; nr d+os;ts9with a magnification of 10. If the telescope ;9rd9sgb tl2i+n n ss(:w;g oqweo3(q 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 astro6 y7wv )dv.r)pfbx n9onomical telescope with a magnification of 10. If the telescopno )x) d yf96.vv7wprbe has a converging 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 telescope is limited to a le; qljs,p)9 +a;leshtfngth of 20 cm, what is the approximate fqp9l ae) shjft;;ls, +ocal 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 focr. gnig tgunm:4r* (.nal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sam 4gr.irmgtgu.* n(nn:ple 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 of focal length 1.4 mm and an eyepiece of foczt.gdlt;u+4qf +;i; wh g(9 fqf fev/mal length 20 mm, adjuste4ttf/;+ zg+ ;qfdegu(ihw lf .fq9mv;d for minimum 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 focal length of 3.00 mmz* r.wxbji5c4 and an eyepiece of focal length 6.00 cm. If the two lenses are se *rcz4 wx5bij.parated 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 0mf6i0 xx74i ugm:sg h))aduhobjective with a focal length of 8.0 mm. What is the focal length of thex)usd hhfii)4:60xa7m gmu0 g 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 hami5ofl-q 7usj6ij/v 8s an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperf67j-imuo qv8i/ 5sj lture (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 0.010 mm a)e(,cbeipgyb .2u+ zw part. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is th ,eue+w.p(igyzb cb2) e 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 3.5 mm to1r7gc0i zpnb,a)6 m qj 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chaz mi0a6g1nqj )7bc, rpnge?

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51#
 
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  The 2.4-m reflecting Hubble Space Telescope has been placed into Earth ora b,iit 7(o-crbit by the space shuttle. What angular resolution could ( - i,a7tbiorcthis telescope achieve if the wavelength is 500 nm?

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