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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 exposed in a camera i uyks*bl6 pt9t2hz6y.s dep .6b9hl6kty 2yuz *sttermined 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 fi/:xd1povpvb0y 9.r a jlm 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 zy,mg 0xkfquh7ozbp/m)gr 6 t ev;*2n4wgo( 0the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, thz7/tgwb gg0nk4 vrzpu*h,y0 m6)2fex;om o( qis 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 viex6:0*s oxxjp rw that corresponds approximately to that of0x 6*j:sx prox 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 telescopmp9d3:sy0 gw eum3ff,e to magnify 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 field of view than that of 6vyt kqnzz68.the eye and th nqv6.6tyz8 kzrough 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 different from the human eye?pmn9km iq 9mbi6h: 0e.x v;0ht

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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 occuow as,umrmzh4) 7.te- rs 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 clearlylxc *br( :o98af0 )ahlxmbte3 h91/qyjt:ogc 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 ,2w-o+nejyd t 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 front g tbu 4/khxk60x8o6 4vfszmb*dk q.;tto back, the person is likely to suffeoqxtb48ms. fd uzt*x bk40khg;v 6k/6r from

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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 witfle o;.v6o h nr;nn8+anh *k ujhhe0(5h

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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 vis9oys,:ftwd 7o 2o fvi7ion defect that i2wfyo:o9sv7, td 7ofcan 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 short from front to back, the pezwsb6a l- aqece;d e9kv*;p08rson is likely to suffer froez;960;bc kl-ea8dp aewsv* qm

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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 corrected witnb 2l;oawx1)vh

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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 givemia,p;no1 5kr s rise to a vision defect that can be corrected by using15kipa;r,on m

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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 glass alxu50e/:mfpflst9 x;lf :a .?

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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 objei ty* 1dhx qji+4qlu t*584rzxctive in an astronomical telej4q x*8t rdityq+ 14xu5li zh*scope 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 refmb8ksugs: d/:racting telescope. Suppose an opaque screen is placed in front bkd gs/ s:m8u: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 throughout the visibi4zx, ;d*ts rldt+zca c; 2q:ole spectrum, in which of the following cases would you be able to best distinguish between two closely spairxds: ;qot*t,2 + 4;lczcz adced 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 telescobk/se a):)wd8e1d*qccxy ; se pe has a magnification $m$. 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 ableg;/mjg,g1f5acv;(3o cg yhbi to see the greatest detail when using a microscope?a3 ,g(iyggc/;moj1c;f hv5 bg

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer from lv4 zl8d3+8igaryq-h

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors surnfi r vyuxt:uw.o3. y0 0(tr.g7(e idffer 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 microscope refers to the abilitxms ;mig sddu:2jw/53 y 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 37(1u oh.jdmne,oo) 2vbfdywis doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving po, ovwd(n2yuhm.3o)ofb1 e jd7wer

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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 (in diop u+n0wiqd1:ytqx,mh q)2 wohz4p0mh - ters) will allow this person to see distant objects)o20pqitw4,dz 0-hm qun+q:h m 1ywxh 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 70.0 cm away. What puz/c wyaoj- cff22a30ower of lens should be prescribed if t-0o3a2f/cj f yzacw2uhe 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 haya.h)jc yk (b )n kvll24l7;stve power of -0.15 D. What is the person's far point if the glasses are very close a k(hb))tlkj.ycl 2;s7yvn4lto 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 need hk2/pduv 3bawn 9x8/ned to correct for farsightedness where the uncorrected near pp/9 w/khn8u na 2dbv3xoint 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 +xpvxede;w3 pd b*5o-reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens 5vxe3*pe;d x -+bo dwppower 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 ebv (9utv9 (q.b* 08bdmqwr /mshqws6syes, if he wears glasses of*tq br u/6mb8 .w 0qhbds(vs9qm( sw9v
+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.z/t:d7 rtk;s q 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;dz rtk7/:st q 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 hasu0 k ayesxkxf27bzd:/e2n -b ru8gt39 a near point of 25 cm. What is the magnification of the lens for that person wde8/zayt3n7uf 0 bu2 egbx2:k xk9s-rhen 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 magnifica ) k dn9hc1g2a.rej6wbtion if the image is viewed by a relaxed e wna2)1 e kdr9h.6bcgjye?

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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 u c8*8zou,w 66o 7exgkb 9yeiilength 5.0 cm as a magnifying glass. What isek*9ubgew8i yc8ux6, io7o6z 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 convergin+(v9n h / l0adpd-rblqg lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxr (9/qb-n+laph d0vlded?

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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 +qu;o0fyq: n/ oqa2w*bys ty6focal lengths 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 the maximum magnificatio*+o/qsb;2n oqytfw6yyu:0 a q n 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 qb 0tb4g61ndsucat5y p+;vf 5focal 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 separacfq s4;a0p uv nt65y g+51btbdtion 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 lengthmm jflkk6rg68ad5 l.h8p- :dh of 200 cm and its eyepiece has a fdfl65d mk6j p:a8 l-h k.rhmg8ocal 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 wy*cpc jg5-5a a magnification of 10. If the telescope has a converging lens of focal ljpawcg*yc 55- ength 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 asth y.n6o;aol:fk;pk o +fs rk28ronomical telescope with a magnification of 10. If the telesc f; yo .2ls;rfkakh8o+kon6:pope 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 tel)c-a dhsude. tr 2,hu9escope is limited to a length of 20 cm, what is the approximate sh 9hca.2-u,ddur)etfocal 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 1.4 m+c*m( 8cj(dfg;mg z d2m .nponm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the(gc2jm;(*mc ofn+8mgpn .z dd 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(1hqwu ekvi4qd: nb x, )e-vw* focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is vei1 wxn)qd*uqvb 4hk(e,:w -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 mm and an eyerxlyz +6rhgcp a79w5 7 kj78ucpiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is thx7657+h rcjkpr7 8wuy9z glace 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*a* *uo*ygtwuby z1 p: 18-cm barrel and an objective with a focal length of 8.0 mm. What **:*u*uo b az1 pygtwyis the focal 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 constellation Orion has ann5f yr8+oh tqtw;c kc- ,q53lu angular separation 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 resolcr8;h u,35o t -kfq+twlcq ny5ve 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 arj+)far u 1ic4qe 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of ligjrq u if14)a+cht 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 eye changes from,eoxe2dj6:f e8cno; o a diameter of 3.5 mm to 1.5 mm as the illumination is increasee6oe,8 j ;x2od ce:onfd. 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 plabo 8tae6nl6 a+eyg5u 6ced into Earth orbit by the spacee8y6bt6o la6ea5gu + n shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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