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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: 游客未登录  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 exposesdo )a+gin28 md in a camera is degoai+n) s8m2dtermined 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 m6(k2i-w5qrg sgctj6reaching 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 distance5pcp0b4tzrgy 3 3 kl48sofk 3m may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a 4lg0 zcmk 3p 3rk5843boytfps 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 witr7qn-e+) tj rde4 qd*okytr(. h a field of view that corresponds approximately to that of normal visi.*dkj7+ y- r()eerr dtqoqn4t on 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 referred to as(7mupdl m rdg474u+ tt 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 fii0 yn imeo b45mz18z;glm with a wider field of view than that of the eye and through which objects appear smaller is referred gy04on izmz15i8;mebto 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 follosk,dzayh ) :06 s.r8 hlzt3dzgwing 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 ,q3*eytfq 9uw c4x;va light 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 whp 05( g/sjhj sa2hk7hsich an eye can see 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 which an eye can sw q fn2xcb0* ()q4qgnj/vy7jy+ tdip)ee 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 person is likelsxz3 j3or3x*e1 7tzrwy to suffer 7er1xrjo3xt 3z *szw 3from

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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 co5rz779 llzq terrected 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 givesuirq x xuiw /m7)1dy0( rise to a vision de)0 wiix7d(mq1ux uy/r fect that 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 is tb0m(qu j 2(qxudu9,h kw t)zp5oo short from front to back, the person is likely to sw)j xktzmu(hq2(95bp , d 0uuquffer 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 correcteqdml 94c, c)ted 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 tz 6oie3u1t901i9xu f5dzknj too short from front to back, this gives rise to a vision d n969eu3o 0iijtxzud1 z1tf5kefect 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 glas8 dwuo5 nseig gr/ ,vtne*76*fs?

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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 xepm2ko hpl0*) 9zm(va very large diameter objective in an astronomical o zm2)hkvxpel9p( *0mtelescope 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 form 0f ,njho xllz4s,(*gaed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the object x( ohajg,n,z04* lfslive 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 the visible spectrukr;6q jxe;/cs zzgb j sk:c:sj5tq/61m, in which of the following cases would you bs;t qjzz;5kj1 :6 esqr g:bxkcj/c s/6e 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 magnification*kny5pgu xd25*(lzd c $m$. 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 yhv 50 ho3hk3lcou expect to be able to see the greatest detail when using a mick533 cvhoh0hl roscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufflqqp- a,4 lgvr yn5(vob o5+e9er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf:4fv5tcfbrs*,- s77g +k nhh5nzj sw afer 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 ki im*y a2s oj(kw/hdx 6goc9 5m1.o)na microscope 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 doubledb.j emsslu2)89 y-;+o9eru paq uc/uf, what happens to its resolving power assuming that all other factors remain unchanged? bj-9l ue+aups2yum uec;9 f8q/ )sor.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 a far point of 18 cm. What lensi4t qp-8z pe0d (in diopters) will allow this person to seet4pd8-z iqe0p 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 awatk y/(y(-uqgt ,5nk y*tkfm1sufy 57 ry. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front / *tf y,q7 m-yykuk r5t((kfnsgty5u 1of 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 haihnz2/ 9)cox bka)av13mapz *ve power of -0.15 D. What is the person's far point if *)aok)p xc9vma3 h z1b/a2iznthe 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 uncorrej05 +oy. euy fo2pcbr)cted near poin r2eyfy.up+bocj5)0 o t 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 c5.6nebo,; 5tkfs q.len8tfhs m. She places reading glasses close to her eyes, and with them she can comfortably read a newspape5b5 ,lq6en.fohs;8n sfkt.etr 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 eyes, n:0epif6ehp2uxv e bp,k7) (* s2 uzoxif he wears glasse6ip u: 0n bp(xfe)2*kx7h2o spevz,u es 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 1 h+ak5wl.k n7m0 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their nhw m.al+7kk5 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. A27a; 0jjuzag3q1 okiad+e*qwxt j ;+x person has a near point of 25 cm. What is the magnification of tht jk1d ;w+70o3+xqgx2 qja;a*uaize j e 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 hasb1exw1p.n;gcj6 r63wm l3 jyf a focal length of 7.0 cm. What is the magnification if the image if6ejnp3yx jg wm3.l 1b;c1w6r s 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 o,q5- gxp* sz2 5f j.16a(a(m z6c jmbixeaiayff focal length 5.0 cm as a magnifying glass. What is the maximum piz65 c j(xxj.m *baz,fyaf-1 g5saiq(p2 am6 eossible 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 cm as a magnifying r+h vb3+zzk-kc)r uw2glass. Whatbr3k+) rzw2hu+czkv- is the 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 focalw* owqble/w c2/we ,3r lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of3qrwe*,/w lcb2 w ewo/ these 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 led fi,:zs,q40.fkwyep nses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these l:.pik 4ds,wfy e0z f,qenses to build a telescope, what 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 eyepiece h4 t)nbj9j7 rpras a focal length p4j9tjrrn )7bof
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 mah8v*aw3wy ty,s .:(q1ltxgcv gnification of 10. If the telescope has a converging lens of focal leng*y(gycs .waq 8vtw3t: v1hxl,th 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 magnifications o 863cw /n8r4xssovyb uw*)c of 10. If the telescw* b43oyc ru8s/)6n8socxvs wope 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 telescope is limited to a lengthw8t6 bq7t-iiq of 20 cm, what is the approximate f8b-qiqw67 t tiocal 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 lengthf41jjvseb fr 2+e jsr(ycf;12 1.4 mm and an eyepiece of focal length 20 mm, adjuster j ff 1 e+syserc1fjj;2(v2b4d for minimum 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 objective lens o*uv) 02sa fzz+f hnht-f focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample in*)vhth+ u2sf -f0zz as 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 objw g1 m6*od7mwmwjjq:avp+l *7ective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. mpaq1lww md7o v*gj7m * :6+jwIf 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 focal length 404 +vnomob)x d)1j ap/yha 7neyu(bse -sb8eof 8.0 mm. What is the bamsnb/y 4+ os)j0-1vy xde anb(4 7hu e8ope)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 sep n(pt -wqdy fj-bd u5*/b)5dmlaration of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest apertuqbdlm yjwn b/-d pu*(5)d t5-fre (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 desbwamx,+t h7v/ igned to resolve objects 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 the diameter of the objecttb x,+7wmv h/aive?

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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 b 6o)jzq0*hyx8ipk4 rs from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the mib4hp 6oqzri8 *kxj)0ynimum 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 b*cnd r27g *jmkeen placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500j7k ng* c*r2dm nm?

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    总分:51分 及格:30.6分 时间:不限时
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