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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 ag r7k fufp,0+cnd the film is exposed in a camera is defr+u kfgc, 07ptermined 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 reajc+ *v; vlprnfn u6)x/ching 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 varied by slidifsly jjjb,q(q (+o,(p ng the lens forward or backward with respect to ty,jj(lqq( obf+p (sj ,he 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 fielszwlx9t8 onxmh95d;og.+ rb9 tjy b0-d of view that corresponds approximately to that of normal vision is referred to as a9b d85t0ng-ly w s;m9xx.ho+bztj9r o

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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 9+ciz37hrz4mvjnh(1pes 2c c-f7ava 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 covers the fia/r * zcz)ttck3scl4,lm with a wider field of view than that of the eye and through which objects appe 4 ksz/ *rccza3)tc,ltar 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 c8miz qxa i;hc m-1t2w0amera 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 refraction of light by the eye occur0ql nbl q-0t3(nbbxx 2*nhki6s 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 uxyc-l *p91xbz,yk*z t u:5gq 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 eyy-dw:;0 kc xw8z0hj kc8gupd1e 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 f1ok-zp kqwxg u a em;x0)4g:-o:qcbr3rom front to back, the person is likely to suffer qb)xmwoe3::p gr0cko-1; u -azk4qxgfrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can 0visyyl 95 ei+8li0qqew-eyb f+(w 4husually 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 0u6 ca ae3g92vfrn0chz29 e,o1pczltvision defect that can be c6 3 h0p2lc vaz g2ac9u09c zeote,1frnorrected 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 likel.cx 4abwj:*;hzm3ve e y to suffer from.zja: e*wvm;4xb h 3ec

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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 correcxux,q 7x2qg79 9cq.ceo7;1m xjqkpxsted 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 fo8 t f5i;xzyg.ront to back, this gives rise to a vision defect that can be correctytg xf;ioz 5.8ed 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 aa 07+atd xdn+p magnifying 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 very large diam8nzfxcc d4cw7;zb 3d- eter objective in an astronomical telescofc ncd; wd-73bx4c8 zzpe 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 fo *ei2oz bur x7)1e 4ieate,td1rmed by a refracting telescope. Suppose an opaque screen is pli o),bd1a1xuet4i ze2 eetr7 *aced in front 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 unijax,7).* v 2dgpyg uirform sensitivity throughout the visible spectrum, 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 of the telesco*x72)g ruyiadp vj. ,gpe 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 jgtb3j77 oz r.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 seeu8 (h)l*bmnxj8 8+vxgu 3x zyp the greatest detail when using a microscopexy 3+ 8)(lv xjnubh8z *upgxm8?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffec:+ g .k2qzqa5 6(tscnb1 lqbyr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer (lqc orh/yc1o4og ne1esd3q5r / 5or*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 refer.mp d7h *vz3bj- bq3wls 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 resxg d1+ek l7k.wolving power assuming that all oth ke. +dlx71kgwer factors 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 hasr b e(eg0,du-x a far point of 18 cm. What lens (in diopters) will allow this personeegd, -(b r0ux 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. What poz8ta xrlsdxjz l1 m)63c)6l 9jwer of lens should be prescribed if the glasajcx1 l)jlr3z x68dzsl6tm) 9s 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 power of -0.15 Dm6p6-uu 8l3yczgf;k4f0ds3t/ nsqpk . What is the person's far po6np- sp/tf; u83lu3yq k6cdm0sg4zfk int if 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 wh tt1z-nyetg 7l*k;.g were the uncorrected near point is zt7tn gg.yt;e *1wl-k75 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 farsighte9xk0q9 *.nz p.subl-7i jeel lcro(h +d person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a 9ihb9x*+l- . (elzlc oe us npj0r7qk.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 ;1go 1o,wpy 0jv*:fukx ,/.u lkzvwzxnewspaper held 25 cm from his eyes, if he wears glasses uuxk1: 0 ogfljw*ow y1.p;kxv/ , zz,vof
+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 of 25 kgzx9 )y a+ 5u5bxte5c 6lnwp5cm. What is the magnification of the lens for that person when their eyes are focused at in+xke956 tw yxcbu)lp5 ang5z 5finity?

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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 o0rfa(l/ gwpp4g*x n 4zf 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for thaf xgpa4pz*nw /0rg( 4lt 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.wy/ wj be2+pi is the magnification if the image is viewedy+p wb.2jwie/ 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 ce*n5oubskde:toh 4 y3+n0n b ,m as a magnifying glass. What is the maximum possen *4bk,5 03yed b otuho:+snnible 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 f,t*6fuq (i bdpocal length 5.0 cm as a magnifying glass. What is the magnification if tdi (q b,ft6*uphe 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,;(c qgita4mz+hq0p/m 4.0 cm, 8.0 cm, and 16.0 cm. If you weizm+tq;0 m/p4gqahc (re to use any 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 lengths 2.0 cm, 4.0 7sv 2h4q2 ci p.pery2nnd)fn3 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses tdp nhsfnren)p.3c2 4y 27i2 vqo 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 hasz7wb0*kf4l hg a focal length of 200 cm and its eyepiece has a fgkbzh40fl w*7ocal 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.xaif1v c; p*35gmga5j If the telescope has a converging lens of focal vp 5cjm*15fag;3 xaig 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 wit n68m(y,kdns p)c if+*g pf6hwh a magnification of 10. If the telescope has a converging lens of + s fk)w(mfy686 ,hgdipnn* pcfocal 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 t:zvrf/ )h4mu. clxq) ahe telescope is limited to a length of 20 cm, what is the approximate focal length oflh fz/.raqv:cx4u ) m) 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 1.4wcxjv9ev5+b+ l - u:ly mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1uywlxb j cl 9v5v:+-e+.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 ml* 1 33 cjehha:myxld5m and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm fro3:hlx*j h3d5c1 aelmy m 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 3.00 mm and an ey 6hsybwpzlc, n68*:gzepiece of focal length 6.00 cm. If the two lenses a,8*zz 6y bngph6lc:wsre 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 barr* v0-x3;5zqcm lbx resel and an objective with a focal length of 8.0 mm. What ;zmxs-0 5vb*q l3cerxis 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 ha 6acsiduo 0 *yl2-,d;fjqg8qgs an angular separation of 10-5 rad. If the wavelength of the light from t ,s;q g62-adg cj8yflq *d0uoihe 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 objectsvr9 .tzz vsm6) which are 0.010 mm apart. If the focal length of the objective 6 9 tv)zrs.zvmis 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 3.5 mm to 1.5 mmb:sjh:n:l8+n url ;yn as the illumination is increased. By what factor dn sj:n:+8lhl; :ubyn roes 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 H2 ne kj0yh,2wmubble Space Telescope has been placed into Earth orbit by the space shuttle. Wh,wnj2 0e2mky hat angular resolution could this telescope achieve if the wavelength is 500 nm?

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