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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 shutter is open and the film is exposed in a came sx *i.sxnspin9,.en6 ra is densxp i..xs e,i*n9s6ntermined 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 the film3cltvhy5i0 y7 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 cauw/l.6 wwi4 wa j)g)nfmera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera hous.na wj4/ 6wulig)w )fwing. 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 thb:eai6lby2f7wn kyz sq) x +6i2o 8gk6at corresponds approximately to that of normal vzxe)87i 6 2:2iwl6 6fybkya son qg+bkision 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 ivslu r;7,k)u cs 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 x (x/;pi1g94vdjbig -/c r afq wider field of view than that of the eye and through which objects appear ij /; -pvd/(g 9raxgbcfxi14 qsmaller 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 followiu7qier4wq sgmex66 2h-p- i6xng 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 of l10j xp+clip; 7.;vmh+jur mxx ight 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 eye can see objects nobxzf,;qr+4 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-xa gz0se4 n,e 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 eyebal.r(( y ptdllnv.: nmffutq) 5w q,;tq1l is too long from front to back, the person is likely to suffer ft q)qtt:nfdl,(w. r5q f;nl vu1(my. prom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usua.nly 5n9;;8zddm l)2a7 b/ihjne-r s-k ztnqqlly be 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 rise to a visi;-lj 7gkr dd6kon defect th ;d6g k7kjrl-dat 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 is6rvzw r o.d7x 2:swhf(ngtm;7 too short from front to back, the person is likely to suffer f 7xtg s.mrr:fh wz(62v;7wn odrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualw a b2jwrh,7lr+/p+isgmj63z ly 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, this gives rise to a vi /2qkwitpzbywl7h 1 )(hn7n w+sion defect that can be corrected/hhn 72w)pn ztly1( w+7qk bwi 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 glass+sm;8g *3+l)gpgw aozp f2eod?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason forwwd6jz/ i1jw2 using a very large diameter objective in an astronomical teljwdzi2w/6w 1jescope 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 refractinglvg4/yw1 jfj ezntk haf//(4+ telescope. Suppose an opaque screen is placed in front o4z wj+jh/kfay4 1 vfle/(/ gntf 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 throughouttv w hnw nvj0n)2)p /;cyf--wf the visible spectrum, in which of the 2w) nvfny nh ;/t-pw0cfv-jw)following cases would you be able to best distinguish between 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 magnificationn li:mrl cgp /fb0f*;/ w6(nlz $m$. 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 greatesjjny y no8.q- ca -h5wjs693nub6f+dat detail when usinjy5b njfn-qscdwa6+ anj3y 6 9u.h8o-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 suffer z- ,sklx31d usck9eo )from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferd,wtc9*);5bbsnxmnp83d5x8c dfatn 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 ability :3 m ds6 bxb)l,5sfxn3hcs-jq 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 happec5tlz;k t*lfdes r 7f *oo2l4n(d.qx5 ns to its resolving power assuming that all other factors remain unchanged? Its resolving powelo42l ot d5c7. *q( xft5zn*k ;frlsder

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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 pvx3lht4w; 7 iwoh*)o-n d3 xo3 rat+hehm -y*point of 18 cm. What lens (in diopters) will allow this person to see distantwpoh7rl 4hoa*-y)exi3-hom wh+n3vxtt3 * d; 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 morem.fuhc9(xzik65 1 8jsed* qlwatm+ lr:+ b6 rd than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of th86 t hm9zd6q c1e w j.laix:l(+5fkr+sdubr*me 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 5h n*b-v krjw21oi *dolenses have power of -0.15 D. What is the person's far point if the glasses are very close to hwo5**j- oivnd2b r1 kthe 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 unlw .nm.0noab.fsbc*nt;h4,e0jh 8fscorrected near poin fa.w0febo8tn s;0csn jn4,l ..hbm* ht 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 f jt,( 3t 5:q/uc3inrbbc -by cbikb+o;arsighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfoi ;bc/t5 cir 3bck+utjoy, n(3-qb:bbrtably 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 eyed3q hp+ut 4*mxs, if he wears gla h ptmud+3q*x4sses 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 a*; o(l 2pmmxclength of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens f;m a( oxclpm*2or 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 fo 7(aa bm; ugm0+jbsiy9cal length of 10 cm. A person has a near point of 25 cm. What is the magnificatiob+yij7a aub9mm(s g 0;n of the lens for that person when 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 the m,xy zrmp .;g6vl d+.epagnification if the image is6,.pld+.ym g ervxpz; 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 asbg 1r0zwh.;xgn9 uyl90x kb2l a magnifying glass. What is the maximum possible magnificat.z ghrx nl kb102 lwb0gx;9uy9ion?

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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 magnif5wy4vkbbm,,r ying glass. What is the magnification if the person's eyvkrmb ,5b,yw4e 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 focal6pxa(9(mbkfoctawer1 .1x8 e 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 magnifica1xpcf8oa w9 e exa(kbm1 tr6(.tion 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 lengths00y j/jvq.kw h +17plkvz0v;f3nyrrd 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 is the lens separation for the maximum magnification telescopek0l0zq +;r.y jj1r7hk dyvv/ n pwf30v?

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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 a:c3e uqq-k j(its eyepiece has a focal lequ( qkea-3 :cjngth 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 -7v;oo.u2dwzws *msu e((pgy magnification of 10. If the teleo7p-s2;gvdw(z.(y ou* w esumscope 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 astronomical telescope with a magnification of 10. If to/-ud/ 5 ehclzki2 twxc/s 0k3he telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescope? sw530/c-lhk kie//xz2 d utco

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designin 2d4va 8ilocl6g a 10X telescope. If the telescope is limited to a length of 20 cm, what is the approx6cidl2o8v la4 imate 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 length 1.4 mmhy/)t; cz9cfj and an eyepiece of focal length 20 mm, adjusted for my/jh c)t c;fz9inimum eyestrain. A 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 objectiveo h3ml -siznn/--)3 -iju,tuecc1vop lens of focal length 1.4 mm and an eyepiece of focal l,1uii/hocv -mzts 3 -n- p3o)-ljcenuength 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 hasaipj5i r -ne0u3c59 co an objective with a focal length of 3.00 mm and an eyepiece of auin0-p9ie o5c 3jc r5focal length 6.00 cm. If the two 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-cm barrel and an objective with ,a jvkbygq*0; a focal length of 8.0 mm. What is the focal length of the eyepi0; gabvjqk*,y ece 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 sepwh c:axr:d 0it+:gn 3taration of 10-5 rad. If the wave0xagd::n i3r+h:twt clength of the light 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 obwf7-fnt u) gjad4f d)-jects which are 0.010 mm apart. If the focal lenu)a f- wg7-fn)j4tf ddgth of the objective is 4.0 cm and the wavelength 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 changes from a jkfgo.ys t (k4 tb+0fk98tqp76,bua+tj qxj 6diameter of 3.5 mm to 1.5 mm as the illumination is increased6jax0+8k+bbkuj7t6q fokt(sp.tg f 94qyt,j. 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 Telescope has been placed into Earth orbi vp3ajcdr w(zmcx63 -u4rf; i2t by the spacex j r32wcpiz(a umr-cv3;df46 shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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