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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 owvavtz /i,(:tvhu(dkz ;sq )+pen and the film is exposed in a camera is determi,vav+ t(( z:i/s)uz wktvqh;d ned 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 film in a camera ismwvw 1m k,0rp+m9uz8j 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 va.rb)s ek.s.bj l3f i*,k 7vwiaried by sliding the lens forward or backward with respect to the camera housing. If, with suchb)i7 w j3.ksse.ai ., vklrbf* 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 fielyf: nv1 k 0c2dz2iz1qtd of view that corresponds approximately to that of nor:1ci kvndyt q21 zzf20mal 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 telesgc,b85 y jp4 ufwq(*fqcope 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 cove00m g4dfdpabl4 m,*n:1t; abx+a byggrs the film with a wider field of view than that of the eye and through which obje,a;dygx 4 np*0g:bb+ a1dm4lm0gfabtcts 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 different frodc.od3 u0*wjk1 wic m3m 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 occurmzb)-0 b + .aymzhpn e8.a3islae w0l0s 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 objo.x* )whbls-q5 o 4yjefp 0x-cf(f eoyp;r 6l-ects 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 8d wv.mdf j6y0see 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, e0 .bs3rb jkg6nn2qh 5shb+:jthe person is likely to suffehs3bs g r +6.5jn:02bneqj kbhr from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can um )kww:4z m*)x hux*rxsually 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 risejo6 a,a (tp*2wr -w/0crjtbcx to a vision defect that can be correctbcpra -ra ,jcjw*02t 6(/w oxted 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, the person is likel*3fzwb up 3wuq8qoe7jx a) 7,m;tymy*y to suffer ,*pm3b)qmayuw; fex3tz qu* 7joyw 78from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually 8brjn tt7x/,ottpz *6 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 gtg v 128, (wk6pqd8ehrnag,cto a vision defect that can be kq1(8g g8grc2wh 6 dv np,tae,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 f+bo/w7k wt w05tifrvpv4 m:9glass?

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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 i;w ov l kjvqji3:g,1nz::*he objective in an astronomical telescopkq;:z,l: jin1wv hjovi*ge3: e 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 refr c,/ik otrv1g1acting telescope. Suppose an opaque screen is placed in front of the lower half of the 1c,okrig1/t vobjective 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 twkf dt:d6; haihllz2t58*qrq)1- (1jkt ec wghe visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? e:w1df(5tk rktl8)l d t;i -hhg6* jq 1qcw2az(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 jcb7y-fmj gn3p 3*k*nhas 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 abl1mtg j4 7;95i09z xshniz ggbu8xhv +ee to see the greatest detail when using a microscos7gn5hvg u 0hb 99 jite;m 8zxz+g14ixpe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer , pbb t,a(-( v j7nqoilryt4p(from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf03b0/ h2cx-thl iliaqoaca 3g;. pe:ufer 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 microscopem9 f r,k+b+xob8jam b0 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 doubled, what happens to its res )6jxfwg -w7rw9qhb8ein r:)v olving power assuming that all other factors re r-8wngb )x9iq6 rh :)jwwve7fmain unchanged? 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 aa r(ya3l ew/2d far point of 18 cm. What lens (in diopters) will allow this persda/y w2(la3 reon 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 mi 8qi8k;a9+ zebi,upgore than 70.0 cm away. What power of lens should be prescribed iii ;apge 9q8u+z 8kib,f 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 w h5s5hzq;-lh0s+ +vuvy le9 dof -0.15 D. What is the person's far poinvs vyh+9qsuzhd5eh+ lw;0l - 5t 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 fayllr . 9ibmd0 8;ni kkcj.5;klrsightedness where the uncorrected near po;mkciblrllj.y n 8 d.ki09k;5int 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 plmz:iln i )b)ixjm6/ l5aces reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distancexj i/6b)zn)il il :m5m 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 hir6cf,uc( ya1hs eyes, if he wears glf6ay c1( hcru,asses 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 jf7m-pb:lkmgjqij /88 wn6-h-7iu bocm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are foc /:k -iqnu mg7mfp788b-j jlo 6ji-whbused 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 lengthre hauni4++uc(( j ge) of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens fg) (u ai++4 unj(cerehor 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 oe4898yb3zuzax g y4syf 7.0 cm. What is the magnification if the image is vg 3ayuz4xy zb 8y8se94iewed 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 ;fg5dib khl:nci0 u14as a magnifying glass. What is the maximum possible magnibh;lc:0 gf uki1nd54 ification?

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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 5jo /(vyzjumt4rd29 f)yw yc/3 .0 cm as a magnifying glass. What is ty fo2 jrd)y9//t4c3wuyvz mj (he magnification if the 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,n jf//m-eq0en .:9 eq5)v dvmeku3xux and 16.0 cm. If you were to use any two of thesee/ :j-qknuen3. 5 vd/mufm )ev0qx9xe lenses to build a telescope, 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 lengthh-c obw+ 4ud16vz)k5 2ju/ dehaah e+5ee0cors 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, wh)h/ e52j04e6c5hrow-b c+oez de hud1+aavk uat 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 and its ey*n a,mtgj2mph t x/l*8epiece has a n8xj*/2t pg,tlh *amm 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 magnification of 10. ; *(a1qfop 4h t*eqemcIf the telescope has a converging lens of focal length 50 cm, what is the focal length of thec opf;h(a **t1emeq4q 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 10vzp3(w2t,aqm anq2 wlm,3ij:- / thth. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the tele ht-v /t3 am:i3hmj(qw 2lptz, ,2anqwscope?

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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 1r)qekbw-/c+/sh9uo /lxub 1 j 0X telescope. If the telescope is limited to a length of 20 cm, what is the approximawx)/cul /shqj+ r9eo1-k u/bbte 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 obtoh 4k36 ev)c;33fiss:ys bx ijective 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 objectco46e3s33b)k ; iysit:vhxsf ive. 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 focal length 1.4 mm and i3yg+e0l8fr a 4c /vusan eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overa3 ly8 0gre4ac+ svfu/ill 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 mmk 8acoskcv,6(+e;q qe and an eyepiece of focal length 6.00 cm. If the to cqq6c8 ;kesave(k,+wo 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 barrec ynl.-cbn;/ pl and an objective with a focal length of 8.0 mm. What is the focal length of the eyepin.cn -l;yc/b pece 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 separation of 101mfq( gqbsc: nfscp ;c2s/ehec 3a79 (-5 rad. If the wavelength of the light from the syscfs 1f 9h(q(pms3; ec2egcna7bqs/:ctem 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 design,(71dconpf( l/*elzc r gv zb*ed to resolve objects which are 0.010 mm apart. If the foc,cb*l g*r(pzon7f/l vd(ez 1 cal length 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 diameter gxj) 8,t9t-bczev5 ie of 3.5 mm to 1.5 mm as the illumination is increasebevziex)8c,gjt- 9t5 d. 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 Hubble3*e2 ayl*euo y Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this t2y ey 3*eoual*elescope achieve if the wavelength is 500 nm?

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