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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 tko v*12v79hxo* ytcehuc h11ahe film is exposed in a camera is determined by t 1 o2xhekv tc*hc oh*a1yu91v7he

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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 reachingf8og;x0ok lbti a/ d;c*r.+cc 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 distance may be varied by slidino/ ky 3.vxbz4gm v1 wnp6xkc60g the lens forward or backward with respect txwx0ok46n c zgvmy.p 1/v k63bo 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 fil3*ij;odau xv 5m with a field of view that corresponds approximately vix;o 5j u3*dato that of normal 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 telvw ro3e2pqfn-1)*tp9 m y yo6oescope 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 w4tr;0 jxks t7zgm7wu6ith a wider field of view than that of the eye and through which objects appear smaller is rg;k0z 4wusr7jt 6txm7eferred 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 da ya)b8o8ue:h1v d3wx ifferent 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 byp8toxe o s499 uz.1kxp 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 ygc)r qw3r xdx)n9,m -qai1 j5which 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 see objects clearly isb0oid5msd9 m c,68cpz )2(vfy4j unrua ao:4r

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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 fron9nn jo. )9xkeb:3jjjnt to back, the person is likely to sufjk :j9.)3no 9ebxnjnjfer 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 corrected i3.vgso8 x w81ebp8hyytwv2: 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 igr95v y m)gs3es too long from front to back, this gives rise to a vision defect that 3g9s vmr 5gey)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 eyebal /g(kk3ufc+zs/tcp z kf);7.n5hodry l is too short from front to back, the person is likely to suffu kps;y5/ r gkh /f.nfoc)z37dc(+tzk er from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu zg+d/875c e. eyupo0ev2gnwt ally 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 3q -door)9 kecshort from front to back, this gives rise to a vision defect that can be corrected by-ooqrc )dek93 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 7 *v38y vkwffda magnifying 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 a very large diameter objective in an astronomica3+ckx 5 js cn;:hga 3tbrzb+effo.;( wl ah.;f3gxk je5rtw (c;o+:snf+ zb3cbtelescope 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 blko)48xaj md otbs-6 1y a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will tj1xd) 8bks m6a- lot4ohis 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 uniforwontg,ci+m *hm :m(. um sensitivity throughout the visible spectrum, in which of the following cmht nwm(o.*:im+g cu, ases 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 magnification l r e5au, l,sj7a9muq3$m$. 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 detar ude3 s2 8vbt0d6n1ja cx9m2pil wheercd9aun0s82x3 dm bv2jt1 6pn 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 suffer izo n/v8-y2s3mttqx 9from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer kq-uk8jz su5me*1u v-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 aow)r,lh, re ,m;n u3o(lbo*hn 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 doub nfpy w+*yfd*b776c 3dr8fc+wjds4 zyled, what happens to its resolving power assuming that all other factors remain unchanged? Its resol 37wyj+wcfdp*n74zrs6c y b8+f*dydfving 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 hhjxohefmz d q-e135 80as a far point of 18 cm. What lens (in diopters) will allow this person to see demz1h f8x53jho -e0dqistant 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 mba s).d (mr moq4)y(0zcwr +twore than 70.0 cm away. What power of lens should br wtqc0)y .4bm ( wz+domas)(re prescribed if 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 of -0qh.ys/ c1u-w q.p( iux.15 D. What is the person's far pocx wu(py i.h1/.q-squint 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 n tqd0)roq,o5e d;pla: eeded to correct for farsightedness where the uncorrected near point is0qt,ea;lo qd5r )opd: 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 plc mwl-5e.k eq 67zjp1th j3z/jaces reading glasses close to her eyes, and with them she ca.kqm/p-tc h1jj7e zjlw5 3ez6n comfortably 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 hid t-s ()ehm;mvs eyes, if he wears glahe (mt )s-dvm;sses 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 cm. A person has ap.r/akko p7r,1 0sr ri near point of 25 cm. What is the magnification of the len p7rak/rrko0.pi 1r,ss 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 10 cm. A person has a near point of 25ghq6a0d*z q7mj3e c+ 8gauc;g cm. What is the magnification of the lens for that person when their eyes argqcq+7jga zh3e c*0d ;68mgau e 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 magk5,wgm2*dtd bnification if the image is viewed by a relaxed 2b m,*kwtgd5d 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 conv-i1 nc iw-cvo*erging lens of focal length 5.0 cm as a magnifying glass. What is the maximum possc ic-iw1 *von-ible 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 converg h*5u1e opk4loing lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person'k5o ehlp4*1 uos 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, dgb /6 (k wdb2hma*+.5wsmlcfand 16.0 cm. If you were to use any two of these lenses to * fsb h2wmg/wk(56m+ ldcdba .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 lengths 2.0 cm, 4.0 cm, 5a+h9wi vqi98e 0lx wr8.0 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 magnif li5xav0iw9r+h 8 qw9eication 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 oo e/ 3hkpq6/qxf 200 cm and its eyepiece has a focal 6qhq/3pe/kx olength 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 tp( 68mxkq-olwt2.qy4zzs v-gelescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lengqmqp -sz6ykg-x wz8l o(t.v24th 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 astronomic/v itle/7daiz; u,lh7al telescope with a magnification of 10. If the telescope has/7ilt, z7 ehi /uda;vl 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 telescope8, g)9tmnprtl ne p4(r mrmp o4byc73+ is limited to a length of 20 cm, what is the approxima 4c4 mg,( +noltpp)7 m9p8me rtrrnyb3te 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 lensetz56 yyu7 od: of focal length 1.4 mm and an eyepiece of focal length 2yoe7dut5 6 :zy0 mm, adjusted 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 of focal l 7z svoerwc z-bd 64l3jp/m)d9x l/h3aength 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 is the overall magnifx3 3dc-/ orl ez/4w hj7mlsdva6 bz)9pication?

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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 length6y*a7zhrgo-zc ,ej . lnhy7x . 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 tolo 7rxh. hgj*ea., -6ny c7yzztal 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 )v hf36 j04swa1v 9het1rezw.rqld)s with a focal length of 8.0 mm.w4 d)qf.3v1jh0z v )est6w sa re9r1lh What is the 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 separatiofh54v8w2ebka ju :6mmn 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 the two stars?vkmaf:546 uj e8wh2bm

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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 whi cq:i.iyo ls-)ch are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wa-:l)cq .o siiyvelength 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 cha3vts5v)kf v(3o5psnr+ jabz4 w-2kn)r zhqk * nges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does th3rh(kv +vsazpnrs-qv)nb k k5t 5z 23f*jwo 4)e 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 2h(ukst2x5.tra hih . orbit by the space shuttle. What angular resolutio t(suhxrh tai.5. kh22n could this telescope achieve if the wavelength is 500 nm?

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