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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 shumcuxp*,y 30lcs 0nyi.d4j-w utter is open and the film is exposed in a camera is determined by thei,cnc u0 d4ywmyxj .p-0sul*3

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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 caymew5n9 9t315qm q zwimera 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 th0b d9;shzkpbh-j4t 0 be 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 fuzzy picture is obtained, this means thjtb0zk4hs;b h -09dpb at

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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 cov:odcm7:gr7e u ers the film with a field of view that corresponds approximately to that o ::r7em7o gucdf 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 en(iy gll( i(r6fp7n* 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 wo9()h n/vk skvq2dq :dith a wider field of view than that of the eye and through which objects appear smaller)q:2voqn/vs k ( kdhd9 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 follo/t9qtl0e gb66h mgf7n wing 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 lighcy, b5o 0tq8owt 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 clx+p pomr+3 51kubj*mp early 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 5 *cdq1lzvwj :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 l0fs *3+jyzesqp, qmu7 ong from front to back, the person is likely to suf,e7qf *+s3qzuy spj0mfer 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 corcr:iu rh4*dlz; 9xp tfm06x s1rected 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 n8vvd4o 91c omdj6*tc is too long from front to back, this gives rise to a vision defect that can be correcte81onjc vo9c6dvmt *4 dd 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 isoh14q (h3ix as too short from front to back, the person is likely to suffer from413( h qixhsoa

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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 correct)zq.3 psh)afied 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 rise to a viss*two 3 rg-43hv6vfjgion defect that can be corrected b3o tg-34v rwjs hf*vg6y 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 magnifyz:f9. r.+ o+yu fkrcnd tgzz,0ing 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 astronomx i4 q8sohcm06ical teles40hm6i xcq os8cope 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. Supp lv+k6qx pwp,6 *srv6p -:2pqz7eksi vose an opaque screen is placed in front of the lower halxik6q2,6qs7 ve:r vz +vkpl-*ppwp s6f 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 uniform sensitivity througqa+/dfbsd* :nhout the visible spectrum, in which of the following cases would you be able to bes d:*+sqa bfdn/t 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 h:2rt0r ksf8ykt:fg3 a magnification $m$. 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 t0 ;fm)wtd skz0p+ y3fqo see the greatest detail when using a microscopdw3;z +0tfsq mkf0y)pe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufferhfp:hnu,a-k/tvqs-uo; , n9 n from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufumz)i a*8d(ji fer 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 a microscopes6dx b osfyb.i;.)g z) 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 x kp;+ rgi+j feq0q+w4happens to its resolving power assuming that all otherge jq0 +k p;xir++wq4f 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 point of 18 cm. Wha cdj ;t;tt.7k(do:ygdt lens (in diopters) will allow this person to see distant obje; d7kt(;yoddgt.c t :jcts 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 e9wi18yqc z ,ycm away. What power of lens should be prescribed if the glass is to, z8ci9qyey1w 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 wf0jw/p8eb73dl)ypc of -0.15 D. What is the person's far point if the glasses are ved)7y3l0ecb w8f/ pjp wry 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 t 9u8uvy( aj; fd*bq-jzo correct for farsightedness where the uncorrected near pj(y uuvfa*- b8j;qd9zoint 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. q k7,io2+lgt 2mi,eii She places reading glasses close to her eyes, and with them she can comfortably read a news,2+l,o2mqi ikt ei i7gpaper 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 newsiho 3(agmx*4mpd7g :h paper held 25 cm from his eyes, if he wears glassei7md4p* gxh(mh ag3o: s 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 :jvk k2v l8sc v69o 2dtp4- xdmll2k5n10 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 inf6 9v8dslkndcvm-l2o:l2kp tj4 52xvkinity?

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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. Ak3- ac2xdsz:j person has a near point of 25 cm. What is the magnification of thzxckj:2a3s d-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 has a focal length of mj1p p0gngzx2ou4, pordi* yj ,( wd587.0 cm. What is the magnification if the image is viewed by a rel ud1 npdj,x4wo5i y,z0 opgjg8r*(pm 2axed 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 axp j ) j fjeo:u3,)9cdvl.dr;5.0 cm as a magnifying glass. What :jr)jf3e9jd)p x.u ;lao c,dvis the 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 foruu-an0f v jo9a48 ucem7xi65 cal length 5.0 cm as a magnifying glass. What is the magnification if the per ane8 a4ouuxfm jv67-59rcui0son'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 length;(s1 pk (ziepss 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were t e p(ps;izs1(ko use any two of 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 lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 0)ivnar d2no,cn wd) *16 cm. If you were to use any two of these lenses to build a a)*o d0rnd)v,2ci n nwtelescope, 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 tele0/fem(r l 3ef8sk9r tsscope has a focal length of 200 cm and its eyepiece has ar s(/mfsr9f t3eekl 08 focal 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 ;zk--bj eotj *io2)qy an astronomical telescope with a magnification of 10. If the telescope has a converging lens of foct y;bj*-z-e oqo2kji)al 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 as l-ekf )j, ep-btovb6v:xa+v. tronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, wh+ b6vx -eba)p-okt,v fvl:j.e at 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 t9r57okf8to bro a length of 20 cm, what is the apprrf9t bk7ro58 ooximate 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 objecti cftz( 6:6mkz ows1e -/1vmdqhve lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blckt6fz -q /d 61e:m omwvsh(1zood 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 eyepiectn272pr)nlr /d0z j bke of focal le7)2bl rntn0jd / 2kpzrngth 20 mm, 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 xp6e:t : mkem-fswr d.t3.3xam 8yx3ke *xi:zwith a focal length of 3.00 mm and an eyepiece8st3wz ie*kdexm:xxpa mr:3-..x6y3t m:fek of focal length 6.00 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 hasnen ;g5kvbt:* 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 magnification of 2get:; 5nkn*b v40?

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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 se( 8y:0 bsgilt:aqy9i bparation 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 re bi:t(l gbi syqa8:09ysolve 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 r6kmwcn/1 ed xzxviz - s8q(:8mesolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelengthmv 8ix d(cq :mk61/-zns8e xzw 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 dia1bj dsvev-t7; fwx(+ameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factsvjvdwe;x(-1a t7f b+ or 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 Spacepwg oze (r3ub3cpl0,y, h9ej3 Telescope has been placed into Earth orbit by the space shuttle. pju,z3 e3pg 09hc o l3ewby,(rWhat angular resolution could this telescope achieve if the wavelength is 500 nm?

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