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习题练习:Physics Unit25: Optical Instruments



 作者: admin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 ux8nkcbx(n;.s +kr h1 in a camera is dehn xxk1sk.+b;n(c u8 rtermined 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 reaching ybh wm1ajxkb)2c0ao8 nxj8y3 g u+f5 +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 x)/bw xv6rk9vby sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means thab)/ x6r9v xvkwt

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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 fieldo03n i)3fzh7g8h 7guyr aosm: of view that corresponds approximately to that of8ah7gn ih 3 s7o)g 0:rmy3fzou 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 is5 i 150 evw6e1tqdiscinj dv8, 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 fp/b om)bx2:p h/ nsa(ep/z j2silm with a wider field of view than that of the eye and through which objects appear smamx pa/(ps2o/np h)/jbsb2ze :ller 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 follxa t ng5*3afyew w0jdxl.699fowing ways is a camera 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 j0vj 8dqdt(9g) v4o h oz6-kevof 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 which an ey; 1qn ozlc:zk p)7y)z8y8cnzse 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:e uj 0pm7gr:u 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 likelt;fvl;p y5e:jy to suftvf;:e lpy j5;fer 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 bes0hj8 nkgx *7b 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 ri xg0)sa-w 3 vcma:uaxxff7 47vse to a vision defect that can be corrected by using:- xc 4x a3 xug)smvwaaf0f77v

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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 likelkz)g)ink4- qk bri8 (vy to suir)4 )(vkzig8n-k q kbffer 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 witei;l66foo c8j -xh* xph

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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 giveggj1uoyjq6 )3b3mzaq ul /:-d s rise to a vision dbuya1j:-/ gg d)joz6u33qlm qefect that 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 magnify*-bqx d6 tf80liv4bb king 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 f zeds wwue71 r.x-19 va/rhai+or using a very large diameter objective in an astronomical .z ade-v97x+1hw/rwue 1ar i stelescope 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 refractin3sp-dl;. c *h vfcns,lg telescope. Suppose an opaque screen is placed in front of the lower half of hc;fv3n.ds, p- llc* sthe 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 th2;gr(9 bvs6lso1lbl yrclf+ h/3z 3ane visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The l31ygl(l6flb+/9sc oh ;v lr br2 sa3nzens 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 +9kpa(df)rd yt6* q+ ebme.y2vto ty 6a 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 ujz(ovr3(6 lp7w+,s n.kpm dzwhen usin3m.szd wp r,pl nzo6 k7ju+((vg 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 suft pit3 udsxva)qv:r kmgr5d89p- x94 zqo)l.(fer 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 fromqmn2 )r- d)tq3eq3lfe

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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 microscop+wzy 67slk d . ze j6.hnor.tl9is)mb9e 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 doulkpo6g8 1 .yk2 c wrl /daic1j4e*ll2wbled, what happens to its resolving power assuming that all other factors remain unchanged? Its resol2cr2ed4pa68.olkli j c1yww*l l1 k/gving 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 diopt 9ed2z1k(k 9r te5z:k m+wcuxoers) will allow this person to see distant objectke9ez w+m29rod1kkt:u c5xz(s 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 ponmg 4afu(jcvv (-f./zwer of lens shoz.vafnvm-ug/j c (4(fuld 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 glasses whose le3tca p:ws;p7 kh3s c,gnses have power of -0.15 D. What is the persont: p;3c ckga phss7,w3's 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 needed to correct for farsightedn(dy2 7yqs 1) kpejiy7yess where the uncorrected near point is y(y q)jdi1spe7k2 7yy 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 reaytzxabnan n4 7i7(8/ ading glasses close to her ey47n i8 byna nxa(7/tazes, and 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 can read a newspaper held 25 cm from his eyes,w7gdang wdhjd24 i5zp,09- nx if he wears glasgdz gj pn57x0 di4ww9-2a,hdnses 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 peorgxt4 - (i h; loe3f0:pnps6drson has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infinit -s;ofn3p4pho(6xte0i:r d lg y?

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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 afwjtymdh3 -g x gwo1/ov7/8y0 near point of 25 cm. What is the magnification of the lens for that person when their eyeofwm 0g3w/yj/1- t8gvyo dhx 7s 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 ma* s1.hfyish +lgnification if the image i+f*1 iy shl.shs 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 q 24 8b)fgszdoll8uxrjucmdd* - u+/9length 5.0 cm as a magnifying glass. Whaoc4 *db/u8-sd g lxqf 2ujz)d8ul+mr9t is the maximum 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 fm60 bsir9r+mf, o,bzdo 0 ;qm40ekgcdocal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is0krr+f 60bqdzsd,e0,m im4m9ocgo; b 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, 4.0 cm, 8.0 cm, a6d2ig84qf sd d. 8p7 tsdvajyla84 qbk9q*;qhnd 16.0 cm. If you were to use any two of these lenses to build a tef84b q d8aj6 sqqdya;94hg vds.*d plk2 it8q7lescope, 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 cm, 8.0 cm, and)m b pcp1*scc. 16 cm. If you were to use a c1p)pm cs*.cbny 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 teles l gsqd0 u29 q991arwwseem(b(cope has a focal length of 200 cm and its eyepiece has a focal len d0w199lq9su (gasrb2 mw(e eqgth 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 astronomicgj30a km;q-k6fn x;nl al telescope with a magnification of 10. If the telescope has a cn gqk3f6m;l-n ax0kj ;onverging 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 magnificdviilvx3 9/egae6 e11b n(h 1vation of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lve9l ege1i1(vabinhdv 3/61 xength 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 designine zvdfn*e/:t ;g a 10X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of thnzdf/ tve;e*:e 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 objectivedx5pgeq x77g,b1o ym; lens of focal 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 objectivegyo ge 1;b, d7xp7mq5x. 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 ob xqkecim1) 2re2w-ur 2jective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrai2wxe)q ekc-r2 r12umi n. 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 3.0 o.q6ssvmkw4 :0 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separateso .vsm64kw :qd 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 fez6et k,;kc0 bocal length of 8.0 mm. What is the focal length of the eyepiece to give a e6z0kte ;,ck btotal 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 c k9*sd5qj quf cnw) *eyd9i+5ez+ko(konstellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the uod *ywejs infq z++ )c5*k95dk9kq( esmallest 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 des3(5va(:w4gv q* zvsj adak-adx l-s0aigned 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 nmka- (av:g(dq 50*l-ja avd 3 xvazs4sw, 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 1.5zc)3 +3s ycedt mm as the illumination is increased. By what factor does the minimzt 3+d)3csyceum 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 Telescope hvokt 3hp g1 w1g(j4nfmsa9b4)ac3 v p7as been placed into Earth orbit by the space shuttlam4p(kv7oa 3 4g9g1wfjc3 shn bvpt1)e. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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