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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 rojgx2v a6g/b *wirgl ij9c5i: j+q83film is exposed in a camera is determined by thol gq* iga r:6+8i wvbj32r ji/95xcjge

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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 determinof(e z6 tsm9g.ed 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 distani9fhq5 t8sirz 4/i9*av5z i re 7wb dzbk-6s4sce may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy pict /6h-5r4z9i ze8q 9 tia7 z*sswbskdi i4vbfr5ure 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 fi, v8gc6,*r cvfkc0 cvreld of view that corresponds approximately to that of normal c,0cv8fkc *gvcv r6 r,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 ac91;b2,c yenvf;f0be tpc0 tovts like a telescope 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 c1ywtezum:qr/pe a : .i: z*fn5overs the film with a wider field of view than that of the eye and through which objectze*ep 1q: ui .f:yraznt: 5m/ws 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 ca+cg1xwewewzmk; 12/0 dc upk 1*0dvm smera 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 refrac1odu)umrl ,s2/ gu g7 ,va-cgl-z1zvhtion 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 eyefr(gtw: 7vxb 1d9yxc: 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 ca4 v i1 trbq.qt9nxnwp(/ 1)icu :qxhe7n 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 front to back, the person is likely t), 0gli4we bcio sufferb0,wcii)4g l e 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 c3gm+j 0 bqpmt3orrected 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 backsxq +7t:ob2i p, this gives rise to a vision defect that can be corrected by usq7: oi sxbp+t2ing

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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 r/1g)ub)qj(nm lnh*ng*,m mo back, the person is likely to s 1ol nu/ mggrm*)bq(hn*n j),muffer from

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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 witxse /-v 5/rdl;, eviq1cky(w hh

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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 bacskd7 5igs ry7 /j9rgv.k, this gives rise to a vision defect that can be ivjg7gykrr/ds7 9.s5corrected 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 magn 4lifsmq4qt0p)k uc8qof(38o +jk sg7 ifying 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 usme r* 7j()pdnwing a very large diameter objective in an astronomical telescp r)mn( 7j*dweope 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 as (c(f+gpzt u3 refracting telescope. Suppose an opaque screen is placed in front of the lower half of the(3zgftp c+ su( 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 sew(l *ed6)gyhfnsitivity throughout the visible spectrum, in which of the follow*whlf yg)de(6ing 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 ha*e5mfn p i1rslzg ,ie0f2m1 /as 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 able :k,q;)hhpsjbm2inh(6e obkd- g675 oldga;z to see the greatest detail when usingmah6jd)- 6id(eogh:q ;bkgzo7;b2n ,5 lk hps 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 frc0iamxny:/ .f om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frar 1tlkm;fc7hsfj - 2-om

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power om2w2i / fmgtug5ky)kdin u ,,2f 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 dish is doubled, what happe9e5,i:u+8grzr dugkbj2en0i - n qc; /8jg unqns to its resolving power assuming that all other factors remain unchangei+b2 ck ,ng8zu:qq/r- 95 d0nre8ign j;jgueud? 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 hm3h(. agzc5k qas a far point of 18 cm. What lens (in diopters) will allow this person to see distant objecghzq5m3cak. ( ts 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 obje(ad7i(2eecua whc o kpem i20623 nlx5cts more than 70.0 cm away. What power of lens should bec(nhuipk025le wdcm7 2x ae(ai oe 632 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 vxjjcc3k4 u/ b( lcp59glasses whose lenses have power of -0.15 D. What is the person's far point if3v ku(x9c/45cj b jpcl 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 ne yb,-r; gv.xqgkcf9l8kh 30ideded to correct for farsightedness where the uncorrected near point is 75;gb yvrl h8, cd3-gxk0i.f9qk 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 10euh6rd o*sf3 kx0ad 250 cm. She places reading glasses close to her eye*u 5d 620dksa f3orhexs, and 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 nuk,*8l *fk vhzyjp43*;1rgc,p n s3 wvhv, wodewspaper held 25 cm from his eyes, if he wears glasseshz** vw*8,dhyvwkl 4 prc ,so3ukgvn1; f3jp, 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 a near point of7) k81okz ed-2kyr joi0v.vu r 25 cm. What is the magnification of the lens for t0zrdy8uj )vkoi72eo-1k. r vkhat 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 fzsgj 1z5u ryh3m:gmdo,y 30x. ocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes aom0 yg5h:zr y3dz.xm, s jgu13re 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 hmacv/ ;ee fz9u zme, -(tja(l3as a focal length of 7.0 cm. What is the magnification if thjetcl , ;ev(3-zau/mf 9 mae(ze image 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 conveq)uqpj8 .ant 4rging lens of focal length 5.0 cm as a magnifying glass. What is the maximum possiblj84nqu. t)ap qe 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 59 5znqkflfn+ ..0 cm as a magnifying glass. What is the magnification if the persoq9 k+f5f .lnznn'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, 4o -z/ 99xeda2*nvks rd.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build e-var n9/zx *2d9dkso 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 cm, 8.0 cm, and 16 cm. 7 h(jmby*sn )i If you were to use any two of these lesjb*n) ( m7yhinses 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 telescope has a focal length of 200 cm and its ey7lbome09*x lzepiece has a focal lengl0bzo*9 7xe lmth 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 of 10. ew-hhot ( kvbk4:f:3wmce x,;If the telescope has a converging lens of focal length 50 cm, what is the focal length ofhc:bexofv,3;w:(-htek m k4 w 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 astronomical telescope wit-6 0tufkvy lo3b7a-d,o i,ytmh a magnification of 10. If the telescope has a converging lens of focal length 50 coufv7,ltk6d-0-mayi, y otb3m, 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 telescop+a)4xz *pbhxq5kb :b0 l9rvvv e is limited to a length of 20 cm, what is the al9qbzk:vb+0)hvx5 brxp va*4 pproximate 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 objective lens of focal length 1.4 mm and an eyeiyhl ; ji; :yx,2h1yns1b*uiepiece of focal length 20 mm, adjusted for minimum el2 i,*:;i xyseijhy 1n1 buhy;yestrain. 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 obj:ug r-,svpl:w ective lens of focal length 1.4 mm and an eyepiece of focal prw g l:v,:-uslength 20 mm, adjusted 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 leng86m1v l q. xoe-6idfawth of 3.00 mm and an eyepiece of focal length e8dx6mvlo f a6-q .1iw6.00 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 l n/:+igetavt-ength of 8.0 mm. What is the focal length of the eyepiece to give a total mtg-at :e/ivn+ agnification 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 constell+ ;u 0p* aiph)tgwiqq9ation Orion has an angular separation of 10-5 rad. 90twq*+iiqu ppg;ah )If the wavelength of the light from the system is 500 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 0k e8-6vixmpx/n8 p pv,.7lptz.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 5e ippkvx8l-xpmvn/.t8 p7 6z,50 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 perso( 4y1ove- nx5w+i djcjn's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumina+4id c1vn yjxo5-(jewtion is increased. 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 into Earth orbit bg 4l2m:dy rmwcda8)+ w,wc0myy the space shuttle. What angular resolution could this 2gdmw cr:lc4yy 8m+wwdam), 0telescope achieve if the wavelength is 500 nm?

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