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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://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://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 exporj;+i /sw0vv1u vqtj )sed in a camera is detu;0q)r v+ws1tviv j j/ermined 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 reachingb* eaen;mvara)sno j)2: 6h:u 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 d 82k0finvc3cuistance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a c 2c8kfv0i3u ncamera, 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 coverddbz4u;ya2 y+e* blf3s the film with a field of view that corresponds approximately to that of nf+e2b ya3lyz* 4bdu ;dormal 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 to6ylje/g t tt t55,v4qysd4f9elescope 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 widevl tx/y9 6iy7mr field of view than that of the eye and through which objects appear smtilyy7m 9 /6xvaller 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 4 7 0m f9aqrboty+r pnvfozh- c27n5m(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 occurs at fxy94 dw2pw1gq ik-2;ib6sc cthe

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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 ok kr/mxscdd6xq49 ,r1 bjects 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 obh )g0ec1e. y6spp-gqqjects 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 backz7 :t 8apg4e-; rlp tr:mpad;b, the person is likely to suffer frta4 : 8 da-:;tpprlbmp7zegr;om

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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 correch+uni ,ait 8:7iw ofo60mqa-s ted 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 7odhu 0y 7mhes r b4qspyf i fqa15t;/o69g(9tfrom front to back, this gives rise to a vision defecs/ 1 m0hoh y577is( rdt9qbou taf6;4q ey9pfgt 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, pg. omr; jce+/c zt3m;the person is likely to suffer fr oge3zmjrm/.tcc p;+ ;om

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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 cowvj 4+rj ws73egw+ay- rrected 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 front to back, this gives rise to a vis,, on0y vf(aycz/ma+ tion defect t ,zm ao0,y(cf+ at/vnyhat can be 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 magnif9kn: yc4dhk6 eying 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 r:h0k0j,btsm ;wryim c5q 3k;for using a very large diameter objective in an astronomical twbt;iqjky5c s ;:k rm003rh,melescope 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 reffbx w e6o-onh h078n8aracting telescope. Suppose an opaque screen is aw 8x8-efnhh7b6 o0noplaced 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 uniform sensitivity throughout the visiblim thym)fi 5pnf7*s:h - x7u)ee 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 objectx 5ipyfm7 :hsi-f n)h)*mteu7ive 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 8,d xjr 67ur+ogn wnx1a 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 expe wd6z+vep d7 d0rx0yh.ct to be able to see the greatest detail when using a6h vy ded0wpzx07r d.+ microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff5u cos),84ipyi/gjhqu*8 i dmer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sudq,9na ) (pnibffer 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 thezznoyam5g d 1l4-r0/0 xl;d ic 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:6 bofz8jr)renct5 kn8 r1i x. resolving power assuming that all other factors remain unchanged? Its resolvin6e 5n: 8rzkfcrj1 .)obnt 8xrig 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. kw f ug(:,1wtuu37rzwWhat lens (in diopters) will allow this person to see distant objects clea:z r uww(f,ku3t17gw urly?

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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 objectt guu0(,9 .*ppyu:v 5n5pjz .mgyzctg s more than 70.0 cm away. What power of lens should be prest5pmcy:upygp(.*g0 n,u9 5jzgv tz u. cribed 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 glasses whose lenses have power mq4 r(ygf7 pi53r ou .qbvc;*fof -0.15 D. What is the person'sv;.m 4rfc u*5qp 3yi7(bfroqg far point 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 ne0yq*aie*9m c5bcim c g8)ib 2heded to correct for farsightedness where the uncorrected near poiqi c)25mac*0i*9m ihbyg 8cbent 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 perkg589k:ijl xp u5x/.)fmouhj 2y mj2qson is 100 cm. She places reading glasses close to her eyes, a x9q 85x:5fjk/lhi2umkg op2j )ju m.ynd 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 ctmwc1 wraz.dy 93a0, o hv2pj)an read a newspaper held 25 cm from his eyes, if he wears gcya3r. w2 vdpw1tjmh,09z ao) lasses 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 t n8yf)n h n16fyrbj:ix1 2m,sw8+xheof 10 cm. A person has a near point of 25 nxni2rb:6,sfnxjhy)8h tfmy 1 81w+ecm. What is the magnification 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 focal length of 10 cm. A person has a neax+hsnlmun67 yq.gx-+ r point of 25 cm. What is the magnification of the lens for that person when their eyes are focused axgn+m y6xl-.sh n+ 7uqt 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. agnwsk (;g9k.0 cm. What is the magnification if the image is viewed by a rew (gg ;kkn.s9alaxed 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/*h0bcdwxjkz5qcduo*gu5 n n 16v+c . of focal length 5.0 cm as a magnifying glass. What is the maximum possibc6c o1+ j*vxn5qzhb.*gc0n u/5wud kdle 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 glq nlagtn iq7al,f30x1 u,3,taass. What is the magnification if the pera afttu1,liqnql,gn, 07 3xa3son'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 5ff7 ,(h.bi l* jfm(kx-vj7 n8p8yr:grnzlakfocal 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 magnification y-nj5 jkl(gk(lz* v8anf7yx ,mp i8h7:ffrb r.ou 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 fv-3 ogu/r(j l* e;y8biqci+rx+nv9 egocal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of thesnvx9 u3l r gy8 o+;eeq*+ gib/j-v(cire lenses 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 lif)cv lo6:n o tm6wz6h *p )5vjc2g(o9ky op9nength of 200 cm and its eyepiece has a fo9gw9cj tf:pv6 z5*oovo inc6onhk()lp)ym26 cal 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 mag i of0u(,rk)fyje,;m9 ff 0cvgnification of 10. If the kc09,j,0 ( uigm fff;vfoy)retelescope has 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 astronomo)/-n+x2 hitwveo d9-1fpez-ecg+lt ical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of f- )+9-2wpleted/ogt-hzv i1 exonc +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. (ditl3hf*-s q5bw;m-fd + hl fIf the telescope is limited to a length of 20 cm, what is the approximate focal length of the objedti l;w*mf +hldh-q5(sf3- bf ctive?

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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 a )ef-;h;rga 0 aq3ly tf(njb-wnd an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. Hh0; ) bl(rt3af-qeyfngw; j-aow 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 lenzb jhs*7pl:738qtzp kgth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bloktl87jz :hb3s p qz*7pod 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 aa skjevzty5c 7 s+n870 :znhh) focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificati ztz:8n7 vhakhn7+s) e5 jycs0on?

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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 fo dju;3:c-;4uub zndvgcal length of 8.0 mm. What is the focal length od4gvu jz-;u ;n :uc3dbf 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 Orionaf*lrj w4 a+bf8h -j++fq0 ybj has an angular separation of 10-5 rad. If the wavelength of the light from the sysybl +bf 8 j+ r+4-0qjfwjahfa*tem 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 arv6 7oaidrwo;.2vh3e o q3(kla e 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 object vo32.7aoaho(ldikq6 wre3v ;ive?

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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 mm as thept7wv3p)z(uwdl/)jao*no5t 5p xy s7 illumination is increased. By what factor does the minimum angle of rx /*)v3dpnsljtoyw57z 7)ptp aw 5(o uesolution 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 Telescoplf.,eeyhq lh- 1o,7pg09 v vu(s)4hpah q v+qpe has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?h,fh a91glp)lhv -.ve qs(hpu,+ vype0qo 4q7

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