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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 exposeh1-1hyxwnz+ h d in a camera is determhxnhhw 1+z1y- 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 r35pk , b qwssirk,-6rdeaching 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 camera the lens-film distance may be vazegz + + ltzkereqy88/qm91 r(ried by sliding the lens forward or backw(8erl /+r zezq1 z g+tqekm89yard 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 cfpfhaf (ta6e25j2+moo * cdk1 e-tll9overs the film with a field of view that corresponds approximately to that of normal vision is referred toa*2fh5oo1-2l+d 9ktfe6(fjt cm l ape 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 a f mlea cp,4fpv(27i.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 cover:b32 /dmkruuss the film with a wider field of view than that of the eye and through which ob krm/:3uu2sd bjects 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 humaz ca,o 5dw1zqv2shb((n eye?

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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 eynvavg4dj* 87b(on o ,ie 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 can see objec6fs:bex5i l-o q:u;l6nvv 6im ts 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 distancezzho +- nzzqx542kcr: at which 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 front to back, the person is lik0 (ndi:vgo;gcl u *aj8ely to suffer ajgu g80n; oi*v(:dl cfrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usu1s s,s4sr) y8km/rao ,n5wxm 0jax4stally 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,: rjq(wtow 8tv. *o+tnvg ht1 a vision def nw:j* ogw,r18(tth+t o.qvvt ect 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 short from front to back, the person is likely 1 lp cc+ytrjs5(.n, pcto sufferppn(t.jry lcc,+s51 c 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 corrs+4+e hgbll d+dua05am 55j fmected 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 eli 0ao.+ ib c4m.eb)u,qy :yifront to back, this gives rise to a vision defect that can be corrected by usi im a+yeeul)byo4: i0,c .b.qing

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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 glassx10 uo syi0fg u96fo3r?

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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 an aey 60 hha/jf fsj )w5v71p*iya6bumv,stronomical thaj /)pwbf6s1,yv 67fumj 0*vye h 5iaelescope 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 refracting telescodzyu p,j19 6ldpe. Suppose an opaque screen is placed in front of the lower ha d d,ujpzy1l69lf 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 visible spectrum,uvzx.4h,,4t mwht. u g in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens ofmh44 vuth.u x,,.tzw g 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 has0 xnfrtbei:+y)d: m u,5z1 c /eth7nxd 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 to see the greatest dq-qg9 a fhvi79etail when usiqa-9h7 fiqvg 9ng 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 from+i gt5rez9 np-xl+0s xmhx vh)a)(;q f

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer idcrwe;oj 1d :1(,pf afrom

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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 microsf q4 ph7ezv(d:h+4pci9fwtv 5+ h7u npcope 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 its resor lnwk7vo:-z.*cowt 0tpe0 -f lving power assuming that all other facwczvrt 7:0-*o fopnw e0 -kl.ttors 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 has a far point of 18 cm. What lens (in diopters) ;t ls;o/kkmo ssj0j /,6:ig )4akvegy will allow this poyktis,j4 /kv60om ka g l)gj s;s/:e;erson 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 70.0 cm away.b et(rh4 x yzm:wf71,m What power of lens should be prescribed if the glass is to be worn 1.00 cm th ( 4emrx,ywbz 1f:m7in 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. What i))e kv .ldri5zx2l)dvpy1mf :(gy)xk s the person's far point if the glassk:v5d) xgrv )2d)y(l.kimey1)plfzx es 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 farsixo3 e9fq 3ya cct6l(s8ghtedness where the uncorrected neat cl9 3o3( fqayx8sce6r point 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 pqe,+bgf,fv: ad fm0(alaces reading glasses close to her eyes, and with them she can comfortably read a newspaper at a dista(0,gfmd: e,ab+f qa vfnce 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 eyes, if mfpx s36sb3)v:.ijig2 fo ki.he wears glasms pv3)fii.k6 f:og2ij.b3s xses 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 focq,f- d-i *erwyj m avztl.:9/jal length of 10 cm. A person has a near point of 25 cm. What is the m9.d*f mre qa:z- vj,lijy/- wtagnification of the 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 foc s e9hri0stgt 8vcs-+emg86,xal 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 are focused at their near poing8 s rtcime,h60g8vxs es -+t9t?

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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 magnification if t+,(lulasmux *4qn-kshe image is viewed byxuu*k ,mlsl+qan 4- s( 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 lengthnc wql-y8v*m ( 5.0 cm as a magnifying glass. What is the maximum possible magnification?v-8 ql*m( ywnc

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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 magnifyg(d(euqgw, zywxg2+9ing glass. What is the magnification if the person's gw+ dyg(g,xeqz2u( 9 weye 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.m..**m6vy ewtpbb; g s0 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 magnification you coul* ywb;psm *6.m btgev.d 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 c q*f5wdoz/7sb m. If you were to use any two of these lenses to build a telescopdz b*7s5wfq o/e, 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 l 1lyiag:om ,-jength of 200 cm and its eyepiece has a focal leni y- gl:moa1,jgth 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 wit c0 e1mtg;qbsd6ip-cd o6*r 6fh a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what idfct b;6s*-c 1 6odi0gp6meqr s 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 astronomical telescope with a makkh3x (s7 ;rlsgnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resultinrx ;(s7hsk 3lkg 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 akyi (/0-fblvgrq- /lo length of 20 cm, what is thvqgy fl(/ 0/b-ilr ko-e 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 objective lens of focal length 1.4 mm and an eyepiece o x7 qod782t1hxpd; 1he1w rwfmf focal length 20 m 7x81;ex21 1hdd 7hptfmr wqowm, adjusted for 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 objective lens of focal length 1.4 mm and an eyepiece of fumw:;k n2adg )r 3h-rqocal length 20 mm, adjusted for minimum e :)dr rmk3;qgwnh-2u ayestrain. 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 (rrn:x27qhzs:3fp op.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, whashr o2zp73:nrqp(fx :t 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 z;s azp(d0w;/ fgyl;wa focal length of 8.0 mm. Whzw/d; fl w;; (ap0zgsyat is 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 an angul og3glzq yfq84/8 kd;lar separation of 10-5 rad. If the wavelength of the light from the system is 500 qlkl8 /;fg8g d4qoz3y 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 0 l rkkhns-hn .8:osxn6)ho6eis designed to resolve 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 86xsrn 6nhnos).eo0l-k: hkh 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 e)pqd ;nl9k +x4et np*to 1.5 mm as the illumination is increased. By whnxtlp enq+4k) e;p9d*at 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 Telesc1o bo2l2ma6wdc3 *tq nope has been placed into Earth orbit by the space shuttle. What angular resolution6 t3o2a d l1n*2wqmcob could this telescope achieve if the wavelength is 500 nm?

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教师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
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