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习题练习：Physics Unit25: Optical Instruments
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 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 the2d ;n h8sdmuan:ut33 i shutter is open and the film is exposed in a camera is determined by h23nd;tdu i:uan3sm8 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 cbjh 94 z)5;x*tsvjcg aamera 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 b4 hdu7 +)xdtbve varied by sliding the lens forward or backward with respect)u+4dtdv x 7bh 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 corresponds appr2:i*boklh nb 34 wl5m*z)rx nfoximately to thatf5z 2*lnkhwx ib*o :rb)m34l n 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 refeji- o0(:xsm .ykwy ;pxrred 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 that of the3w,c/.*fjef(c osv6 tgdnzb4 eye and throef.w *cn6tjcbo z(d 3s/g ,fv4ugh which objects appear 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 camera differe1ub, /a9p(zde)rqjpt nt 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 occz :/vepb6ou*hurs 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 see ohq:x1c+vdg 7h 9x;t r u;x0ouxbjects 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 sm)ifg 4uuqb 0-c, -pksee 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,g-ruml;zck 52xy9 yt 8 the person is likely to suffer fro8;xzk5y92 t lm r-gcuym

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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 cl7oqt(of twrd qq0(x7 2hx)o sub89 ,qorrected 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 risl/paayrz20 4i18 e jcme to a vision defect that can be corrected by uiarejclm/p2 4y0z 8a1sing

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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 pe3 o(bsl b;)zqy ;gq.asxmloq,6v4 .fzrson is likely to su; o).qf lo (bgy sq,x.4zb3;v6qamz lsffer 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 ctwb -h :2htep..+j7i t,cvntuorrected 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 o8g/d2jstt cehx t (:9gives rise to a vision defect that cac s(jo2xhtd8et g9:t /n 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 magnifying gp70p z*h5dazz lass?

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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 u lop 1pyp uo1yyonhis5 3/cj0scp,1:1sing a very large diameter objective in an astronomical telep1y 1onocpy01l, 5us :h 1csp jy/o3ipscope 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. Sup4650 fb,dr :amwphmxcvao 1/apose an opaque screen is placed in front of the lower half of the oad5bcxo p 4hr:mmw,16/a 0af vbjective 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 ha8egm3m e00wq fs uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish betw 80emg0wfeqm 3een 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 magnification o(wdl,.d5 kjf$m$. 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 ph*lf4 5m pb7y)p/,ewpn5vc ril when using amr/5vl),f*c4 b5epp 7 p hpnwy microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffeyfo1 jod: g6cit,)5t- xau;s/-vlw dnr 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:5*gkpimg qgv-rm k 20 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 abilt of 7pkn;y:d.ity 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 re yar:di akozl15q.*,s solving power assuming that all other factors remain unchanged? Its resolvin1qdaz lsy5 *:ik.,roag 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 hasx3*e2 lio +bam a far point of 18 cm. What lens (in diopters) will allow th3b*x a el+o2miis person 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 poxm7jfb1 sats0zw801 zwer of lens should be prescribed if the glass is to be worn 1.00 cm in frs0z1x awt7b 8 0mzfsj1ont 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 whose3xnry g+h y*f+ lenses have power of -0.15 D. What is the person's far gh3+y* nyfx+r 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 farsightedness where the uncor,tp*k9 8bw8(axptc7b w k ;uprrected near point iswkbptk7pxa8 w*( t8r9 ;p,cb u 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 u;kfp cbz+je,y w0-wsm (qlo99*;s*k hfg(akcm. She places reading glasses close to her eyes, and with them she can0z 9k9* ba;pu kqffjky*sl;w m(+hc o,sg(ew- 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 hei()w7ykebp v,sp 5t-f4, vi beld 25 cm from his eyes, if he wears glabk),views7 ept(4-f bv i,5y psses 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+)mzy/my jldw0/na 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 i+0.)j t aymlwy/ /dnmznfinity?

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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 0won5yb;odm9imlei59 w ,lu, near point of 25 cm. What is the magnification of the lens for that person when their eyes are fw m0w i5o5ei,ydl9ol9ubmn ;, ocused 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 td(itvlz sv,z55( 4 lnahe magnification if the it s ianzv55(z, dl(l4vmage 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 ay :s+.ywwymz0 magnifying glass. What is tyww +y: .myz0she 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 lensx7h;q2p-zpt)vrnr ha,o d6gm.+ fx4 kz6 x2zm of focal length 5.0 cm as a magnifying glass. What is the magnification if thz2,ztp.4-mp+h o7 6x 6 rfa 2h)zgmr xqxnkv;de 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, 4.0 cm, 8.0 cm, and wli erp oh:(g/dcxzb:mak0d 3+dz0 8016.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnifical0+ dhgk 0xmbc ipo/r(: dzwz :803aedtion 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 le/euz )sn8hj3 x bmmtbdejg1 ,*sx9+;ungths 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 i gsth ,1bz mx8jms +ju*9bu/d;ex3 e)ns 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 haj lj1xu,o: zk,s a focal length of 200 cm and its eyepiece has azkjj1ux,o,: l 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 m)eushdp+klw 4 yr: 4y6agnification of 10. If the telescope has a converging lens of fk pry+ 4s:w6 h4ule)ydocal 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 te gznr0 9.6axczlescope with a magnification of 10. If the telescope has a cona6.nz cgz9r0xverging 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 length j9zy2hl ws+vx 9l::2hn( ekamjmb5;lof 2(;bnm+h yl l jhls:xm92:9e waj2v k5z0 cm, what is the 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 lengthf+4 el,gpgb/rsot m8; 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm fro+eo f4/gp bsrm8,gl;t m 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 objec9j1xcv4uooju-3 9jwfx wpa( i6hyi /;tive lens of focal length 1.4 mm and an eyepiece of focal lehfu4 jy1 jauow6j9 ;/(pico-9 3 wxixvngth 20 mm, adjusted for minimum eyestrain. 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 3.00 mm a2.p: syg9 ultcnd an eyepiece of focal length 6.00 cm. If the two lenses are sep:gcy2s. u9lp tarated 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 erh*:f(fm :cv a 18-cm barrel and an objective with a focal length of 8.0 m cre( :vfh*mf:m. What is 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 has an angular sepad9sd77o uj5l z n- ec,pp;mwn(ration of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) teleu(p75, npnode jd-c z7s9 ;lmwscope 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 objk,vpx*/0/jqqg+ qi xw7w bu7k5uypl 8ects 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, what is thgbq/ l8/ujp5kwq y0xx+,wqi*77u pk ve 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 oftl2m2t ilelh2 ./ 6t)be ;iwke 3.5 mm to 1.5 mm as the illumination is increased. By what factor does2tllkee6) bt; hi/i.l2mwe 2t 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 Hubble Space Telescope has been placed into Earth orbibf 4s+97ir5 9fj haetjt by the space shuttle. What angular resolution could this telescope achiesaf i7 jr99e4 t5hbf+jve if the wavelength is 500 nm?

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