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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 tuwlx az,xi+t 2 +oeh)err+ (1she shutter is open and the film is exposed in a camera is determined by thri1a rsxuo +,w+zx2+ e)e(t hle

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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 cameqir 3,7db(csxnnd 1 u3ra 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 slidinbd5 2(qkqms ,/g(r kc.d5kx yrg the lens forwar,(xkkc5krsbq( d m52. rg/dq yd 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 with a field of view that cv:e t 43q3bjspwy3fw5 orresponds approximately to that of no wywp345s v3bfjt3:eqrmal 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 a) 91qdip c -,eqv218gdlgjol ects like 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 t0/1s x;2grjuowznfg oz)tc) 1he eye and through which objects appear smaller is referrzc)w;ooxfsz21 1gn)tjgr u0/ ed 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 from the human jbki*lg7vu czleyr2( /3)z/u. 7 iwqveye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction k5ip*hd cb6kb9 xj2 4jof 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 objectsv10dy9jl v lh- 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 objecorv6 o )o2hww;e*l(m uts 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 / ; kya6 iv ikd*h;(blkwrnj)7too long from front to back, the person is likely to suffer fr(k;h/j ;7i*v) ynba w kir6kdlom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can i 3bm-a ee1+)xq yyb/ejpr ;l;usually 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 rise to a visi:.gp(r1iv a( uot9xd jon defect that can be corrected by usd go:ta (v(rxu1i9pj.ing

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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 6i5-o l l+qv j;g9w9f)vcgmqhshort from front to back, the person is likely to suffer f cvv)g ;jqmlih 6+ogql- 5w99from

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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 correpiqin 7-eslous-xp 6w.6h9u4 cted 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 b1hy1m)0 env daz ,bqy9s prv982czo*rise to a vision defect that can be correctedyza cro,1b8ndpze0)ys hvv1q9 m *9b 2 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 gb 4.l4yie :ixplass?

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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 lhxos yaqi(02sk8:n1q arge diameter objective in an astronomical telescopa qnhxs :1(2kq8y0is oe 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. 1 -ew pr *fo4qs0juxk. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect w4 rspe.x0jw*qf1o-ukill 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 throughoy*e*rv tqb 0i6ub9-sq ut the visible spectrum, in which of theue *qvb90bi- *tsrqy 6 following cases 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 magnificatidij3 wtp8jcv xl517f7on $m$. 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+ 38 wynivigd)qz jx;kdy.;a- see the greatest detail when using a microscope yan.)x8i; i kzjwyddv;+-3q g?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer h5thh ;x d9lev0)/cjjfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer ffft( t3cur2a(rom

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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 refers to 5pwhimzhtmj 8sp9*h vr;-(-u kszs--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 rmy58pjc.5xtn wsg o 7g48cin/esolving power assuming that al 8ino /.x8pj5tyngcc547 mwsgl 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 person has a far point40s0.e pym* .wuyvrm hg2a1 nl of 18 cm. What lens (in diopters) will allow this persh2 v.0pr*e4 w0sym. al1 gynmuon 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 objectsj-8h vom 6tae. 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 the -t. h6eamov j8eye?

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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; 9ls hut80j4bnmof *7zf9aua whose lenses have power of -0.15 D. What is the person's far poiz*bf90 8a49tumo a jsnh7;flunt 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 uncorrected nch:h*z 66lh xl a.y0ngear point6zn.h *0 lgy:h6 xhlca 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 is4un uo-+nga95s k 8-usuwc ,mx 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper aco8 uua5-wsu9k nu4g ,sm-x +nt 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 newspc tifd8gd *z(,aper held 25 cm from his eyes, if he wears glas*,i gdzf dt(8cses 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 a near point of 25g r*qser rt 0* :ki4h5th*gek/ cm. What is the magnification of the lens for that person when their4r5gr 0hk/*ks*rqg itt:e*e h 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 ns rtk; egsg5b(cu dk,g3-+*b rear point of 25 cm. What is the mag*sgb c;3,+eskurg -tkd b(rg5nification of the 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 has a focal length of 7.0 cm. What is the magnificj8;.a hza ap3iation if the image is viewezp3aih8 ja.a;d 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 rq)m*mc7cy ak;ci/ :o magnifying glass. What is thecy;*ocr m c /)a:7qkmi maximum possible 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 5.0x: l*yntfb(dy9ie1*c cm as a magnifying glass. What is the magnification if the person's(nt1y*x:9liyd b *ce f 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, niii -(zu)sbwrf;0xd y9pqhuc)y)9 bqi + n,7 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a 0p(7q sc bhnrw i xui+fyybin;i-)z u,)9q )9dtelescope, 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 lensezvdv:2v f,9 xzs of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If 2 ,vvv:9zfd zxyou were to use any two of these lenses 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 itj w2(qze8daf( s eyepiece has a focaleq adw2(8fjz( 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 magnificar86not 0yobk9 tion of 10. If the telescope has a convergi 08br6n yo9tokng lens of focal 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 astronomical telescope with a magnification ouvrlb:tl :q(i a0.gyw 1-6gltf 10. If the telescope has a converging lens of focal length 50 cm, g ql(a .l 1g-:yl6 twbtvi0u:rwhat 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 tele 5y)icd cyy63x2jm9 vuscope. If the telescope is limited to a length of 20 cm, mu5c xidcy6y32v) 9yj what is the approximate 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 lens of focal length 1.4 mm and xu1 )u84budlp an eyepiece of focal length 20 mm, adjusted for minimum eyestra4 ul)81ubu pxdin. 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 length 1.4 mm and an ey+r2bck zryd8c0 jl 90cepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objecticr2cr 0 8cjb 9kyzl0+dve. 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 sq ola)w. q84tof 3.00 mm and an eyepiece of focal length 6.0o 4wqatl8. qs)0 cm. If 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 1j; q i bnxl:0v9qps,(omgab0;8-cm barrel and an objective with a focal length of 8.0 mm. Wha 0qa i;px:(gos l0bbvjnm q9;,t 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 separation -fr, xsev,fl )4:z-ywah9 u5rdg8tzgof 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 resolhz)-9,gdw 4augl ,te-yr8f:rx5 vzfsve 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 m7gz vzbqlgpn-8v75ik (,s8xgo xz: 0 wm apart. If the focal length of the objective is 4.0 cm qvw: g8v7 xggxnbz,5lzk-s78 i0 (pzo 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 7.)u4 q zzcrzbw8p vck;z-5asljott7 295phdof 3.5 mm to 1.5 mm as the illumination is increased. v. zt p-8ptwkdj7zl5rq )cc bh57z o2a4u s9;z 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 Hubble Space Telescope has be jc :aa24ygj5qen placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is qcj j5gya4:2a 500 nm?

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