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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 open and the film is exposed in a ca 8qq; *ak9oalymera is determa*lq;k98oa qy ined 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 determine.c6a* h/ v/vhebnt2ca yv/am 4d 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 be varied by slidlp+/ q2a kgiy4fhmp:v9 75y nwing the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means thma 7pyyk24np: 5 q9/+vfwlgihat

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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 vie l ko/h 3tek0 ewj-hn; ds*x82cg.xx0 i1,xewew that corresponds approximately to that of normal vision is rew,wx e hjdc;3ee8n - *x2kgs.hklx/10it0oxeferred 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 imag73 abtmw43 hr3kfash)es 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 field of view than that b.d1db.tp5frj ; 8iv2 ro5k nqof the eye and ttdkd briq.ob 5pr8n j512v f;.hrough 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 following ways is a camera diffez.7 rwhfo).)+fwlsk k rent 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 refractcyiit)e8 *tw)z1c a;lion 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 at which an eye/tfbqlxyu + i9/go m.bvgl1zzyh: si33 ;6z*e 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 obmehe* 0q8-suzt*wv q3jects 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 like*ehrfy1),jk orz/ ru7m+aw7w ly to suffrj ro 1 /zur*mya+whw 7,)ef7ker from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallyd.5t5 ,k763llylgimkqa(r i e 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 visxqgc0ul7o( u: ion defect that can be corrected by : (cglo xuq70uusing

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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 front to back, the person is likely to eur1h)z qcpb**a o0.u suffer frb pco*1 .ez quhau*r0)om

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can us)9qxel obdw77ually 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 g* 7 9vxnoggm:ii 1v(hsives rise to a vision defect that can be corrxi7 1vihn9:g*gsvm( o ected 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 m(swmk5g +a2d8 ep0con agnifying 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 us3rvfc xmsj oj,v,nf1-edi+ .3ing a very large diameter objective in an astronomical telesi ,fn+v-crvod,s.e 1mxj jf33cope 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 refaf0c+m )x4nm6 s8xdqs8h e.an nv15jf racting telescope. Suppose an opaque screen is placed in front of the lower hs80)mq 5 enn64+affh n8a1xdx mcs j.valf 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 sensittirl f 9yb(e)qplwhn6pmz.6 5frt1 4(ivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish be6tei4hl qrrp56 zm)(fpwb1. tnl f y9(tween 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 magnificatio7wksw xip 40krx t5ap 1.ospb e9fj0z*+v *(djn $m$. 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 dn3ub5mpe +iz yx:s5n(etail when um5y5xpneb+ :3uzn is (sing 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 suffer fro ilmyfs8.xbq t koq 0fqvix.f l3.(d4j4(6l/em

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe.c,zy e1q)o-sgt *slar 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 microscy miifv4) 1gppn; ts5)ope 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 haopuk.7ek 7h p5ppens to its resolving power assuming that all other factors remain 5ekok. hpu77 punchanged? 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 9 j9 cplbv-i;,jv1riz) mamc .(in diopters) will allow this person t9) z i.,rvm;-9bijplm1avcjc o 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 clearlq)tw*87c ln,2t fc d9ds)1c)ckc yr ajy objects more than 70.0 cm away. What power of lens should be prescribed if the9ctcqrct8j dclakny ))w2d,cs7 )f*1 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 glasses whose lenses have p.euk- 7zbm 6vcower of -0.15 D. What is the person's far point u 7. ebc-6kzvmif 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 correct for farsightedness where thx:yv ror)h-q,4izxg/ z k i:g6e uncorrected near point is 75:i6 ,krx-xq4 hzgv: yroiz)/g 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 yyq, slfe-uspns 9a318s*d8g100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a us fg*s1 q9ln ed-sy,83ps 8aydistance 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 eye)p 3*e hq4tydr97fi nfs, if he wears glasses *y ptqr )fhe9i4fn73d 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 person has ;01qnnz3 h cc(g:ivnfa near point of 25 cm. What is the magnification of the lens for that person whezcf1:n qngc(v 0n3h i;n 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 persont +jq.mo7x 5:ua rpw f/v7kp.c has a near point of 25 cm. Whafj5+opqp k. t cmw:a7v xru/7.t is the magnification 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 is the magn*1gsqdq/f9c gification if the image is vie9g *q cd1g/qfswed 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 convehe6xd 5o7 : oizz4s+ ge. (bzq,sv3ijkrging lens of focal length 5.0 cm as a magnifying glass. Whosqoi,b+eds53( 4igj:6xe zkz 7v h z.at 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 focal length 5.0 cm as a6+ndho)yy xj( magnifying glass. What is the magnj) (y6donh +yxification 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, 8pax,6sz sm u+r nr91x/.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnificationn,mxz sursr/ a x6+19p 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 l ; opylmu7l1 gwe368*5qgsp dfenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If yoy ld;*s8f3oegp 15wlu6m gqp7 u were 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 t3;5 gj h3jg*txnnub *telescope has a focal length of 200 cm and its eyepiece has a focal lenb3u j3x*gt*t5h n;jnggth 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 astradr7 pskqfbtylbz* (()/i d ,;onomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the f)dqitb;( yb(pl*,d fsak7zr/ ocal 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 astrd 80o:zvmlzglje; c::onomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telesc: 0 de:l:;8mczoz lgjvope?

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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 bvf1 t/w1plpvf8w- )athe telescope is limited to a length of 20 cm,1 vp/t-8lv fwpf1)wab 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 o/ ru6l9dj1dvd bjective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted fo/l6vd1jr dd9ur minimum 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 objecebmq q4pu/e z.6cz: g,tive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for m qzp6ec,megq . z4:ub/inimum 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 obzn255*ksj f:ookpe. l 2p;gkbjective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm.z bo*;j5l2k2 :pke5nk ogsp.f 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 nd 02+y/gayio an objective with a focal length of 8.0 mm. What is the yg na iy0do+/2focal 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 the m4p-z7l yapc ;in2f( 0ngqtt9constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture lqgn7ty f4c; p0z tn9a2(-pim(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 rux zuhh.,+4d l7zzqf8 b;ub0kesolve 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 nm, what is the diameter of the objective.,uq7bzl0+4db;8 uz uhzh kf x?

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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 tou /ct4/rznmi**xc5l3c w me t qj-5)xg 1.5 mm as the illumination is increased. By what factor does the minimum angle of resoluti-w5 *ccz/mguem j4l r *n)/5txci3tqx on 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 Teleo cd 0nqoar4/45d/xbnscope has been placed into Earth orbit by the space shuttle. What angular resolut0d / ncbnoxq5ard4/o4ion could this telescope achieve if the wavelength is 500 nm?

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