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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 camera is dlto(eox5(v( vj ih o,9eter t o(vi9e o(j(hvoxl,5mined 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 inyflxl 9 3i*zdyr0j,p * 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 +o zx4e5g17 6mvkqxk qcamera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzvgm kx exq+qko57461 zzy 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 that corre70zs g9ng hz (gavn,w3sponds approximately to that of normal visiw(,3 zsag7vhg zg09 nnon 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 waiz4;3isn l3 2dgm:( ;d limca 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 yws95zdcm6 k(lp1 br5j )v1 vvo(n*jka wider field of view than that of the eye and through which objects appear smaller is referroj5vn1(s 5dlpk( kvrc yv9 b*1m)6zwjed 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 diffe9 y:giqk3vb ;krent 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 yaj5xed-e/oo ,jy)p- 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 which an eye can see objects qnm 9 3nyu 6az-,l2p/ j)xur0i-ewk xqclearly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distancy hdp(3slz) eh889cbo*qq6h)oo -i)zy +yjate at 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 p9pmyg x4g4jrmyc )i +.erson is likely to suffer 4.yj9m p)c gryxgmi +4from

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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 nzyg trvz*o* t0l5 e514 qr+6flwsu+e 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 kn cz*i)ib9w p+tt,q6 is too long from front to back, this gives rise to a vision defecti w) * qc+9pbkzi6tt,n 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 trig vp))oi1paprl,oz * pwi2q4vv0+* (eisf 4 oo short from front to back, the person is likely to suffer frop r4visrii1pviz )l+ )p( ,fogave2 *q40*owp m

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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 correctr ).euj +hog;jf 2fud-ed 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 irxds)g//( tay s too short from front to back, this gives rise to a vision defect that can be corrected by usia/yd ()rsx /gtng

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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 mag),uah-pe hkpgtcf;04nifying 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 for using *s6x6smy4 g yy vp,)sch-w ku5a very large diameter objective in an astronomical telesco6gy5xs4 ckm pv yw6*sy)-s,uhpe 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 formwiyj pj* -k:/wf90uvov(ra akzrw 6;5ed by a refracting telescope. Suppose an opaque screen is placed in front of tfy:9w6vjw ojpv/rw ua- (k 0;rk*i5a zhe 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 unifo:/ m h g+r78pco2zscd m/t qnj .w5h56wy*xldnrm sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish betnmyhw q:5j* 6 dd2 ocmrhp/7. 8zt+cxg/lswn5 ween 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 rff9e:yd d l+e tdj/*97cq(;7m :q q4xmjtnh u$m$. 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 greatest detail wheby:s2 .* 21jpja ry ekif(sqm9n rjm .qkpfy(*22: 9b ae1ssijyusing 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 suff./+26pje+z myqtj+f ar t dc0oer 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 fromrhmutyf.9g s(q qzf 8t 6u-/4l

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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 refersdfswe u)1;s3g; fy9 nr 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 r-0l;t tenvkf . jwl7 kv,lt22besolving power assuming that 2nbvt0k jw;fvl,t .l-kt7l2 e all other factors 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 personlsi*ll)r4fz s wjqkt d )m2 +ap,28ru0 has a far point of 18 cm. What lens (in diopters) will alq s2dwk8a*rf) 0rz2)stll, u+j4mi pllow this 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 objecth6 gu9zvo*qjc :r v n)u1q(c*a.efgk. s more 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 theaneuj*1 (. 9vug) gvz:hq* .qrk6ofc c 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 -0.1j/jot- 23;w)u:ax wgaq6 gs)wk* jfps5 D. What is the person's far point if the glasses are very cl)ax:ogsfpu-*/ tj gk)wawq3j;6sw 2 jose 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 wheremo1bhdzk g1m-k zip5. jp0/b8 the uncorrected nearibo. d/z8hkg-j10m15p bmpz k point 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 places reading glasselm0:yg6)gkc as close to her eyes, and with them she can comfa6g lmc)0:k ygortably 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 newspru yebx20 9dz/aper held 25 cm from his eyes, if he wears glasseszyur b9x/ed02 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 lenvq 7pgqwmx 2;9gth of 10 cm. A person has a near point of 25 cm. What is tm; qq7x2vgwp9he magnification 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 ftn(mv +mc:/ rsa8uwa0vy : ,adocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near pvct a8:rsm /dw0m,+n ua(y:a voint?

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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 l blfp66d (0w(ubdthfj-d.fd( ength of 7.0 cm. What is the magnification if the( 6 df((dtw ph.j6l0dubdfbf- 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 convergif4jhlhla/t-wr, 30k w ng lens of focal length 5.0 cm as a magnifying glass. What is the maximum pw jal-whl3 f4 kt,0hr/ossible 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 5n+( bjr6mg 4wu.0 cm as a magnifying glass. What is the magnificatig m(u6nb +rw4jon 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 lensejf3 x,5-dgp1h rrz hddw 4og96w * ;vpyzhk7.bs of focal 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 h3p fgg.9xoj4 ,r 675;z1whrhpwbd k*zyd -v dmagnification 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 nm . c.0(i8q5weq zhj3lf ;-v ra5; ebvjuzn4sof focal lengths 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 mr3;fc0sv h;55bjam v . .en-zi4(ne8qwj uqzlagnification 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 s d:16xs,lgu/12vj,jpkn yfoepiece has a focal length jofk6j dl y2,1xs:psu 1vng/, 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 astronomica 9bf;p;mz7p )h b4ulx62( eduqnw/ qxpl telescope with a magnification of 10. If the telescope has a converging lens of foc/6e9d ;7p 4un ubwb2fl;x(qx m php)qzal 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 (o q+y+srm ,f y-yi,z m)pzst7astronomical telescope with a magnification of 10. If theosy)p7iy-(rztfz ms+qy ,m ,+ telescope 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 telp 9gr/ bhwf ln;81*yttescope is limited to a length of 20 cm, what is the approximate focal length of the objectivegp /yt*nhl 8w;ftrb9 1?

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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 mm and an eyepiece of ;-p:9n7+3b aqw zknm)w k:jl8lw v nmsfocal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objectil p 87m+bqwnj3vkkswwnm zl;:-an9:) ve. 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 lro :5 qxys ura41*/uhkength 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 ioryahk rsx4u1 q:5*/us 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 ajqyy9i - y92:z)e+p qekk5rulength of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnif5:q2qjeekir+9y) p9a-yu kyz ication?

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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 rtcg8 zso.xb ja1ln f,sr7279 a focal length of 8.0 mm. What is the focal length of the rg lt9z,cb rs.7s2a7f8onjx1 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 ; e/kkrz w 0hu5jx6tp77mq)orm f 2h.nin the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smal6qnkmrkhpj/ 5 zf;)7o eu 70rm2t.hxwlest 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 anrt (:vb/il (dm(dg1mm apart. If the focal length of the o/bli((d1 tgvm n(ar:dbjective 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 of 3.5 mm to 1.5 mpn i 6(o)o5xeym as the illumination is increased. By what factor does the minimum angle of resolutioo yp 6x)eo5(inn 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 Spa:8fp3a:lye lv ce Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the waveleng:l :evfl3ap 8yth is 500 nm?

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