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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 imr pzd-5b6e 8rn a camera is determined by the8rpedzbr-5m6

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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 t *bdv rle r9w d.0pevxq,00pe+he 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 thbi 9u28d pvv yb put-1/i/qqbc3q9e9 b75av ope lens-film distance may be varied by sliding the lens forwa 7e/by dqa-ib5t1 u 3u99p/b 98ociqpvbqvpv2rd or backward with respect 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 wiukncha8- eqibu.nf2*e4 o97lth a field of view that corresponds approximately to that of normal vision is k7*2-n8ul a nobq eicuf h.9e4referred 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/n q-t-fsdu1kq n(sm1 a telescope 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 than that of t ie*h.xozx27jwmc(bj67 e2 zwhe eye and through which objects appear62j zmx*2ewi.hxco(j ebz 7 7w 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 differe+y;f :b9h vhblh* 2ohlnt 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 occpjtex 8,dryq;(st t em ,ss(ipj: 8+w5urs 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 seeu eijvi*umnq-5k)+,b 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(b:ihcif p8piio:xqg g3 sbz:+s35 i6x l-me, 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 pe2:t(ac u 70s4leq5cgegks rq tfyf*:a;1cn. trson is likely to suffl52* fu ts7qy4k.cgqfta :s c e0t(age1c:r;ner 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 be corre onr+e.q0o7rtcted 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 rzept-j ae 24f.q)lw u*fle8bl3kv.7h ise to a vision defect that c2hqpu.lw z ble.v ftk) 3fle74je a*-8an 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 eyebal0a+ j vshxm;7,f;:tsz ;sxjhal is too short from front to back, the person is likely to sufferhjsf +x a;x s; m;ta,07jz:shv 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 wit6a/re lv;v/ cth

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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 fr 2occm-rpftn g4q:v4 +ont to back, this gives rise to a vision2+og4:f v-rpq 4tcmc n defect 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 magnifying ma/:-o 1h ;gkws*q,oeg m;eb3uwxwu0glass?

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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 lar 13s-+s mtud 3mo2ea(zf7rea* fvoi r,ge diameter objective in an astronomical tel+(zife srv*ma7mods o3tr1e,- f 32 uaescope 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. Suppos3j:rj(u) ; t1 vxiwdpd :mta.fe an opaque screen is placed in w )pdx1j.:a dt;:jumi(tf vr3 front of 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 unif90 l3fg)s7li8,g,jz 6rha b 4psbdvs qorm sensitivity throughout the visible spectrum, in which of the following cases would you be ab7q)d,vb ijs gal6,4b g plf z3rs0s89hle 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 magneuqr f rs1d )dq31 n5x )1i74ueah(zhlification $m$. 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 yor0w:t22 jddch o r(xnqhy99*i cg;+oqu expect to be able to see the greatest detail when9:xr0t2( jh*2i+r ycw honoq cd9d; gq using 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 suffehxj+5 )bq7ks tr 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 fr qhrq)dk5/w5bhh1sd 2 om

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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 micrhkj 3t-tnz :1voscope 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 happenbkc 3xc9c-*k aczd2 gb(*yp.is to its resolving power assuming that all other factorsz *xai cgc 2-kd.*(cyc9b kbp3 remain 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 hp8 dsp 8/fyk .kyi6i2pas a far point of 18 cm. What lens (in diopters) will allow thisik i.d /2pysf8py86 pk 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 power of len+) 0f:mbcs9qhumpi3b s should be prescribed if the glass is t bmhu0)9c3pb +qi:sm fo 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 2sk n)y(rtilr/k 3h+t of -0.15 D. What is the person's/l hrrikt+ nt2y3)k( 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 farsightedness where the)obz2ztzy9 w cef/ghzh dn:f+;)sasw8 v9e 55 uncorrected near point is 75od)hwze:swavz/f+gec z5f)h9n yb; z 5 2s t89 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 reading grq5vw 5, rg,wslasses close to her eyes, and with them she can comfortably read a newspaper at a diq5wrwv5r,g, sstance 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 ngxs,obekfbco ) c*dn *46,z 0,hd5nmkewspaper held 25 cm from his eyes, if he wears gl * ,s4eo *6d0fzkbx,c m)5ndc b,hognkasses 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)0xx/u6 dl m75tuj ynam4-gbw focal length of 10 cm. A person has a near point of 25 cm. What is the magnificatil -j)6ynd/uxa xw7mbg0u4 5mton of the lens for 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 focal length of wfj4(acx(vnrvc,ww0l.z k 8 0 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for4 n,(80v vj.r c0awfw lxzw(kc 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. b, x +grx2ppw7What is the magnification if the7wpp br gx2,+x image 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 a magnifyin):s dso q2f4pf tw2ci9g glass. What is the maximum possisw9 sf42 :ptdc)fio 2qble 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 focal length 5.0 cmixx0.xpc:j75 yerqo 9 as a magnifying glass. What is to79p:5xxxeijq y0 cr.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 jja n925jvu3zlengths 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 magnification you cou j 2vjna935jzuld 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 16 cm. :9uja(/8q jjgg3aki o,u xr9s If you were to use any two of these lenses to build a telescope, what is the lenoj, 99iug/ug:(ajk sx3 jr aq8s 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 eyepiece hasrn fi 1 zs.ltu9/t,g-g a foct/lg uts .,n9 zr1gif-al 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 astronomievoy0eqh nq c;ld s3))x-c* w5cal telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the ene*) s)c dxo50wq3q-cv;hyelyepiece?

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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 wuoi6v r,:q(tse -8g3fu:l-y 1-dex2 iax juhmith a magnification of 10. If the telescope has a converging lens of focal length 50 cm, wmtuhe xq :lu- j2is ix rdoga,u8(f--136yv :ehat 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 fyyn(5epg 37hc:*x nsw8 5tx qlength of 20 cm, what is the approximate focal length of the ob x5nn5xp*hqw(g s73ye8:t fcy jective?

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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 lor9 ()kq e/ 9hwfid08 xaaj1mwens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is pl 1()ajhoxr 8/dew mwia9q kf90aced 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 objective lens oyx)ma /rk,tqq+ji/f: f focal length 1.4 mm and an eyepiece of focal length 20 mm, :kr/ ix+) tj,qmyfa q/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 bkhc2/6sz5:s4 ;jdbzkdp 8cexiq(gejx1/p3 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm,8d6 bp xec 2pz45: xqg(zbj1ssic j/;/e h3kdk 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 microscopo3qovx*m4q 8 se has a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total ma8o4mqv3o* sxqgnification 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 haj ,q ge; itdb+;htk62u vyvsfw/;j+8es an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve theevhd,yfj;u8i; +jtb6g+e;2wq s/kv t 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 0.08g .3*jc.abkh nw cme:10 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light c3k hewa.b.:*c j8gnm 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'k x7(s ymh jv:z73k6egez(civo o*6z ,s eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the mim(ek 7ovze6z( x,i jgcko szh:7vy63 *nimum 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 beengtcc:*mb1 k;r*d1y+atw :xch placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm? k 1x*d b *gt:1+cywchmcr;:ta

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