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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 iss56dx; q*vbi q*tyvq(/kl qu) exposed in a camera is determined by thqt5sq)v** (duliyk;bqq/ xv6e

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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 b ;exuto7)ro /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 udu k8ob3:5tltkx8 i1, .q vnsmay be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camuxd ko b5l3i8v1.ut tkn:q,s8era, 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 of2:nx p; r/vobq view that corresponds approximately to thapq rvx:o2/ ;nbt of normal 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 telescope to magnify images is referred to a-0f(krg2j ctf q s6y,xs 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 2cf f c8cy6 wjm b0avn0.g8,hmfilm with a wider field of view than that of the eye and through which objects appear small.8fymcagb62 m0h 8vcn, wc0jfer 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 differe7ot ,kpf e6ig0n0 sfcks zs,96nt 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 zlp)zg 25n*vpy; 8ewhl 5mhu9at 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 c ohw bp)5/)kosee 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 objectszfd :oxi.s (.ev25zgoq:22b+jdnf ri 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 tpaj3rm( qb0d/q u.g 8zx6+ uzco sufferacz (x q8/quzd.bj6gmupr03+ 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 corrected witv2o*yfxva1gv (+o a4 ad59 fyfh

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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 visixrrh x zwt:hi6 n85 v*j-o 5itu3fcz:5on defect tht5tfx5:o i 6 zh- zrh3*j :rui8nv5cwxat 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 jkcpx ki0o 0gbue58ur7xe+/6, the person is likely to suffeu 0k8oxegi/rjb5e76k0p ux +c r 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 wiae;di xnlp9;0i9l1g +f5es bvth

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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 riszo z -1p w edhec4r3k/h1ie1o3e to a vision defect that capczh1 zw erioo 131e/-4d3hken 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 magnieb2 quk ax:q70fying 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 diameter objectrl,1t4fo bspa,5 ,d k. wu-c7k* hzksyive in an astronomical tel-bru,fhyks5,w4 .d, kzas*1p7k o tl cescope 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 telescope. Suppoo0ph.;uff9v, d ws ,tsse an opaque screen is placed in front of the l;t.0vfoh9s s,w, fpduower 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 sensitivitqy, ohm*hvn3zr1lo3 * y throughout the visible spectrum, in which of the following cases would you be able to best distinguish betwon1l3vz*, 3o*m ryhq heen 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 wzv9b4o c m3od)-)q 6cu s/cathas 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 detail wq 6w6r0bj.ngbjn o1u wg8f3ky5e*f 0c hen usinqg0.bof8jj60*3 wernyfc bw6u k 5g1n g 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 suffer3ht dxsc+,2y/- m6pft:zrlw)u)m ordeb+ cc+ 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 fx+x.a(g y:aot7b mm abf1d:;wws c))srom

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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 referxuio.q,88amcr 1e z(os 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 1rnl to+fj8t( *o9 swwdish is doubled, what happens to its resolving power assuming that all other factors remain uncha r8o+(j1wfonstl*9t wnged? 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 po ;,uq)m+h .ntlxgcr;g .e ze x2nu-9osint of 18 cm. What lens (in diopters) will allow this person to see distant .+n t-uz;q gm xe ,r9nu.lc;oxes) gh2objects 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 clea4aa-mf).sv b5dn sp9trly objects more than 70.0 cm away. What power of lens should be presc5p)dvstsf 4am 9bn.-aribed 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 weavap podd2+9z8rt 1 )p 1kwoh7mrs glasses whose lenses have power of -0.15 D. What is the person's far point if the)rt kzh7+w p d189oo2mv1ppda 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 neededdm6rqgx.hce j*7 4)tlye/qs ) to correct for farsightedness where the uncorrected near pq qhcg *)7.te)/4ydml6srexj oint 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 places reading glasses cc)zq:afc 15hypwv;h4lose to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power4hyzqa v1w;cf) h5cp: 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 r)za5 tg5+ lurbead a newspaper held 25 cm from his eyes, if he wears gl5btra+)l g5u zasses 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 of tc7sry p ;xq+;x ;r8bi25 cm. What is the magnification of the lens for tp;7cr x;q ritsx8 ;by+hat 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 lengtha*kxow b 6mdv67tn9f 8py; uy* 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 point w6axdu 68;kyf*bvnm7y 9*pto?

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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 focdm/y yed ;(cq3al length of 7.0 cm. What is the magnification if the image is viewed by a rel3;d(/cyqedy m axed 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 magnifying glass. *jr/018mnf6ji: qnyht. rm90uvs ig w What is the maxim jhgu.vn 8: 0*9/6 fyrs qwinirj01mmtum 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 t(+ t:6yb hufqms. ep7cm as a magnifying glass. What is the magnification if thhtbuf pqys me:. 7t6+(e 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 * oubf1/6x g8txz;vm k2.0 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 xmv*ozf1tkbu/;xg8 6magnification 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 c+orm64 l z4t6 s 6fh;ljb- lfyf.aobz2m, 4.0 cm, 8.0 cm, and 16 cm. If you m+ lhsz-t;6of 2o.f l yb464zb6rfaljwere to use any two of these 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 length of 200 cm an7 byp -+c9dn( c f)pnttyz/,hrd its eyepiece has a, ty+yn f)npdh79- zc(pcb/tr focal 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 magnifica qf9 tfc4p5c*:x3adfxtion of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of xatf:c d4q95ff* p 3cxthe 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 temaq;c8;g/bwt1f 8 *6cwynkbnlescope with a magnification of 10. If the telescope has a convergb ;c/m*tbfaw qk1nnyg886w;cing 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 telesco5qt zr+8i1 o v/bdz/cope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of thz +8r/ /otzvc5i 1bqode 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 objecti54gy* fz v1,hlel4eltve lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. hv*le ,y4le4z5t1g flA 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 focavy7 /pjyb47pcs7mb1 ze bs.c 9l length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. p. vb1ej7mz7 bc s7csy9yp/ 4bWhat 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 0fbn- g+pzr: ,l3gpmr an eyepiece of focal length 6.00 cm. If the two lenses are separated f: 3n+ plrg-p0rb, mgzby 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 twfw0 34jc31iy q.kdox7 *awqan objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to73tw1qkwwiq j3ac4.y o*f0d x 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 5bliw g w0s:i:l v.x7ebgey)( angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (dial yg 0::lwigbse)w(ibx5.ev7meter) 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 desig8yu. )rhu4 anened 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, wa. e)uuyr 8hn4hat 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 dna s;n(ewj3/changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle e a3sw( jn/;ndof 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 Sq 8cr 0ld*r+n /.liry .mya6z4g if4thpace Telescope has been placed into Earth orbit by the space s4h. y ra06czdqf8+m*liy4t/ n gl.rir huttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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