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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 the shutq3, f1 ,sbw ebr3*n /ydiwo8hster is open and the film is exposed in a camera is determined , r w31f*8ns,wdqsoi 3/hbeb yby 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 reov .ru.l9p)c raching 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 slidtkw5c 9ksl(5ving the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means tc5vwk ( kt5s9lhat

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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 vievns+qo0c2feys 9 5u ug:9d 2bpc c9zs(5cl(yew that corresponds approximately to that of nyu2vy 0dcq elc:bc952eg(9c(+ns5f pzsuo 9 sormal 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 te 3+mwiu5i yane79 us4f z)hi.rw8s2gclescope 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 wider field of view thanrpjzrx t+hr0ar6*f h) 9zexjen) ) (/e that of the eye and through which objects appear smaller is refer (ejh9e rrxtae)z6r/ z+pr)xj nf) h0*red 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 different from the oo ry4k ir;hh)u79e xp z71nl8human 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 th)8.ssj.9k fgzl 1ghpp e 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 eye can see objects clear trpyhhnsc +35 6(9jqf gl 6lub+ljmpzx,:v6/ly 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 ot+byb.gb38or8 legavn( e2*nbjects 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 likp)akx *:3 6jovx 5lbtnely to suffer fv:jpoa )3n*xxlk 5b6trom

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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 w g2cyds-y 3g yp;y13zlith

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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 bs) nl-s er1knz) (38y+cfraglack, this gives rise to a vision defect that can be corrected by usingks1l8l-zyn ean+(c s3rgf )r)

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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 persos u6k nbd+v6iekw bqw7/x q697n is likely to suffer fromq k7sw/ 9kvbuxen6w q6 6bd7i+

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualrhr 5ple9r): glvh+2nly be corrected 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,h*f22ita00pg 1xg fjdmw28q8 u hb x2p this gives rise to a vision defect that can be corrected by usinigtu m 8bhd1fphj222f0g0a* qw2xxp8 g

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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 ma;gt5myfi6x+ v 1h h6g)9m0c 6eoiuspagnifying 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 fo2pyo1cik3qvty4 j )k0 8snh1hr using a very large diameter objective in an astronomical telpk y3 h8s21) hv1tcojykniq4 0escope 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 teles9 a jp276a/ec tl0s6hdq g.9)vt bkzgocope. Suppose an opaque screen is placed in front of the lower half of theta 7s k0q9zedghcvb po./)ta9g l266j 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 throu giv)em03 cu0y t(c j9:ft4tpkghout 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 objectivev4 k) juttep:03i9ygc (0fcmt 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 r m3vn5n6tkcni2bb: 4 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);b5tzvza it0 the greatest detail when usittzza;) bv05ing 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 sufft:3cxgc -.umxd0n e(per from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe:gza:fw,l -wvmwmu h+jx66 t8r 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 abilitf:gb iazywp7c0f yv041;zs s;z8 f +ddy 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 res- atsgump0) 4d(cqj11,ebb mvolving power assuming that all other factors remain unchanged? Its resol- vmmtqujasc 4p0e( gbdb1),1ving 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 diopte (6xjurcr+u,sl; . / qni p-9; zfglky(kmu7pwrs) will allow this person to see disuju fg;,prq7yc 6nk9/xu kz;+(- rl wlpi.(smtant 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 70.5 f3nqiyk87 p2jpmyg:gm0n8 r0 cm away. What power of lens should be prescribed f mpj g8:0prmkgy 7q2 n3i8yn5if 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 of -0.12 5(b*cf7 4oqs8wchjxiz riir 1w5/l/ew-f ma5 D. What is the person's far point if the glasses are very close to the eyes? e8/mic175(i-oswa cl /2zb*qrfwwhj4r x 5if

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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 *4 ;fkxj6e//(4rex8gd oat bscn e mn7correct for farsightedness where the uncorrected near point is 75 4 /ascen jk;t *6(b7e ng8xxmoe4r fd/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 re.z i94 sbv6on1m8ovupading glasses close to her eyes, and with tmo vbi n1ou4z.89sv p6hem 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 newsp .mdjw kxv95g8t3 kxe kaem;.4aper held 25 cm from his eyes, if he wears glass4.;. xw8j km3eav gm9xk5k detes 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 ea-n22f;lg7dkuot, ncm. A person has a near point of 25 cm. What is the magnification of the lens for that person when thei f22anu-d;t,gen7lo kr 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 byie6yfa3 eo 8m1f/8mnear point of 25 cm. What is the magnification of the lens for that person whe8em6eiy bmffo3y18 /a n 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 is qin:cb 7t a:8qthe magnification if the image is viewed by8b nc:q i7at:q 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 convergin *hsm45q.nsteg lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnifim5qh tses 4*.ncation?

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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 l: u08cy lojk 0stpy)e(ens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxed?yk yu cel(8:stj0 po0)

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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,ps33; + 4pdi+6klu*ermduhd -b-kuox and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you + po*k mlud-d4i;khs3eu+ 3-6 u xbpdrcould 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 l+ v.d/dy,g2 yikzot/m, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is o/yl tg,2ydid./ z v+kthe 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 and itwh;t*sg5d yf( s eyepiece has a foca(ydh ;w5fg st*l 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 ob;6k jze,ka jxqu -v0/f 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiujz06e ,aqkv xbk/j-; ece?

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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 magnf0uw4t /xj2io;n (vw zification of 10. If the telescopet( fn/2xw w 0uizj4o;v has a converging 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 telescoah9 m.0w(nlpney k9e 1pe is limited to a length ofwh kay( 9 .e01plenn9m 20 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 sh* loh2na ;m(objective 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 objec(nh* ;m sh2aoltive. 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 5jusl)gf4u- c 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 objective. What is the overall magnifif4su g5)-j clucation?

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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 objece5czp( . h*udnpy )m,xd0x, pttive with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the twphtn xc 0zppu*eddy m,.,)5(xo lenses are 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-cm8q*h/7n2z jodgo vmv* barrel and an objective with a focal length of 8.0 mm. What is the focal le8jh7oodq2z/nv g*v m*ngth 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:/ qbm9l,ny6w. cxat z angular separation of 10-5 rad. If the wavelength of the light zw qb6,l9mn/xc:tay. from the 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 objects which are 0.010 mm apart.)7:b l2uzdfhse s2gq * If the focal length of the objective is 4.0 cm and the wavelengt2sdel * :bz fhs7g2u)qh 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 change)nt- k:p9ruq)we sb k6s from a diameter of 3.5 mm to 1.5 mm as the illumination is increatb ksq)ke)urp:-6w 9n sed. By what factor does 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 Teltr: mru gj1wi4)tw:3o b3y g;fescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wav41w yrt gm)3tbj:;3fw: giou relength is 500 nm?

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