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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 exposed in agjxp(wj( va btab4y3vp 7v: -;sf *e1j camera is determined *axg vjb ;-e(pv(pjvywsa tfb43:j17by 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 determined po+ xa*lmvpgw+ *i.(cgy ev;*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 ssf ekmr-x9r0-tm 6i nbf-2 4gbliding the lens forward or backwardfx f09mr-4 -n2 gtbeb ri6mks- 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 corres x+:qn,j 885ll znuenmponds approximately to that of normal vision is rlnqj8+e5n nm:8 lz u,xeferred 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 imaev 4uj+lpps6-jw j jr5:g47wbges 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 a8hr-s du. hrjor, r)5that of the eye and through which objects appear smaller is referr8 ajrrhos du. ,hr)-5red 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 from5oeyjd o(d )l8z 2og4s 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 refractizw0ns 3a.l 7,2kyml p0n8pqbvon 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 whinf7:lg,m hng;y,t u .kv)cp/ m 30mwdvch an eye 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 objects cleh v (nhjne/:vtkp2-n*arly 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 likelyscu roll/t7 y :goj7:6c7va;m to suffc t;:sg76m7/ ylr7c:vu olo jaer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can u 3*sm 9judn pcd8 swlh-ntt.-1sually 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 frolz/dv +28cmdfkexl 5-m front to back, this gives rise to a vision defect that canmfvk+e zdd-xl5/8 2lc 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 front2t ; 5lnjvon3b1hnrr0v)po * .bdsc x* to back, the person is likely to suft xv brjdblns3*2r0v;)no o* ph 1n5c.fer 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 witdm5r *,m7 pn .f:e q8rkm*x*yp3sr 34 fnshqrzh

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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 frok3li,mu/,lbvec 7 hal7 86wu sm front to back, this gives rise to a vision defect that can bvlk87 wu3 euhb,,lcsmai 76/le 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 c- * higy4kza(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 using a v(o71 yp tg-f uvw5p qle)q/;wuery large diameter objective in an astronomical telesco wl5 go(p/f;uvtqe1u7pw -)yqpe 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 for ptopq y)zbt ml2 l)ja,(6l2)h0kx7ramed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. Why p0rh2l) l 2kt7ab)la po6m,z xjq)t(at 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 throk(,snvj 3g aq+aril j*l9t8 8kughout the visible spectrum, in which of the following casevl 8kka 8ri+ (jj a3l9ng,t*qss 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 has a mag x sy.u :6 wp*9v,qu2x:jlzypb0b ;fcvnification $m$. 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 deta. b0c0lq ajsroo7 b.4cil when usi.r.cj 07la 0sbbqo4ocng 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 oowwc: d;6ta8gd y(c5 l;z 1psfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffez775aihg pt x.9 n1iq(b(pfa zr 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 h -1.kjk d8i bt; zsriw:kl0l6ability 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 d5:nzn / 9mvqvsa; ctx3n* zb*ooubled, what happens to its resolving power assuming that all other factors remain u;tv5:m zn*csnqv* z3a9n/o bxnchanged? 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 ns:) 7gj5wnor of 18 cm. What lens (in diopters) will allow this person to see distant obje s:wr7j5 ogn)ncts 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 objectz3futhe qzh)w . t18s2s more than 70.0 cm away. What power of lens sh3)hwt.ut z18q2sz f heould be 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 gl3hg/rb*ly3s zcgi)n + ju1( ldasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very closb+/l(3g3j )1ylngdr sh z *iuce 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 tqn5v-ln+u,b ohe uncorrected near point ib +-vqn5ln, ous 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 perso/p1,v c)std+wn.:lqaz b )azln is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is requireddszq1) tl,)avwpl: nc /.abz+?

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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 he wears gi()sc l,n /dw j7qkp)t 4iioq-lasses ow )isiikn4otp-c,q( jl d7)q/f
+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 pers7 t,e: ki04 orrr*0kptdx,elaon has a near point of 25 cm. What is the magnification of the lens for that person when their eyd prokex, 7kl,0at4r*i t0:rees 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 person has a near point of : r (wyr9m*,nb s8axbc25 cm. What is the magnification of the lens for tan, w(8b*s : rmcxr9ybhat 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 magnificat7ky;v1jqn2*j,xrik k5u; 6toalypsqz 9 f6 h:ion if the i ;pzlaxoqujqf,2 y;6 y1 hrk*:5inj k967vtks mage 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 converging lens of focal length 5.0 cm as a magnifyingmg nzays)56-0m1f0- h ctsb dl glass. What is the -yh6l1f 0 gs-z5c )nbm atdsm0maximum 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 a magnifying glass m9zb /twb/1.c2 rwu t)17y 9 vwcs.kdn/covge. What is the magnification if the person's eye is7/9mo.1sb) kyvz 9revcdgb.nt1c/ /c w t2ww u 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 lensemwqiqu.;c/dhk-jr ( : s of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use ajw / :mrqc.-ku (;idqhny two of these lenses to build 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 lennho ap2 9z23-vs)m1ewxiofgp)s 7l:ngths 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 lensio 7s2nsf2p) o:ng9 ham z3 -vl)1exwp 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 tgx-w+8by mw. z 0nvw4and its eyepiece has a fxyz8 t- wgn4m .vww0b+ocal 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 a magnification of 10. If34r z-5dc xhyq the telescope 5dq4z xrhy3 -chas 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 astronomical telescope with a magnificatib o- u:p+ hehoj)zq,g+ )1ngopon of 10. If the telesco1 hj:q o)o,pgubohe +ng+-zp )pe 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)ms(k /x*xsp2 gm+elx length of 20 cm, what is t+x g(smx *me sx)k2p/lhe 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 h,lyls1ukf0 3zkpa b2t*) w 3seyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood samplebfs)3lk10sl* zk up3t,why 2a 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 eyep / icx z2),,hrv3buvdoo)psj,iece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the op)rj2 ux3 vs zo,c)i/ dh,,obvbjective. 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 o 0 h,ws9r(xfhw *c(bibf 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are wbb(h 90scr h(wxfi,* 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 length;y 3 elwyb8eo* of 8.0 mm. What is the focal length of the eyepiece toe e;o3 *wy8ylb 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 angular separationxmpx4uu o)t)8 24sl4sprn l)p of 10-5 rad. If the wavelen)tlurl4 x4)n8supmx2p4 p )sogth 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 0.010 mm aphdxrxs* d ds41ycy5)l qma5 ((art. If the focal length of the obje sdm54xyh1dq(5*)d(arcyx slctive is 4.0 cm and the wavelength of light 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 a diameter of 3.5mo,ho9v+xn q6 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chanqv9+moho6x ,nge?

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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 Spa*uocgp3 ydp4q;a n1cl+se 5pr 4 clg,2ce Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wav4gsp5+cqcpug *; y4lnoc 1ra2, lpd3eelength is 500 nm?

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