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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 i*ymoz .x-o8el;d wv u*s exposed in a camera is dete-woem*d * uol. 8;xyvzrmined 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 rea6d9gdt: s9m5cxws7e v ching 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 cnk5ggxdc, ; e.qd0yc6f ce f/*amera the lens-film distance may be varied by sliding the lens forwargg; cy.d*f6ndcx , q5cef0ek/d 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 correspo; a na1bbug2d9-dbhuw3i5*d 6col2bq nds approximately bad ib-25hgqb uc1bnlow632*udad9 ;to 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 telescope to magnify images is referred tofd so0fw1 pzgp 8u9,w:dlm1d ) 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 ok*jynw71v ha + g(gkrs1 ,oj9 0k/8jzabbj bv*f the eye and gb9oj(yk8aj,h 1*kzb j0 vs+ *7kwj br an/vg1through which objects appear smaller 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 following ways is a camera vlt::2wjy, iymzlc/;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 lighn5u. y5jdq tm0pr 6acdwi a1mt2,d12 35 nrszjt 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 clearlyd6.o n0cjuz5m 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 is. uj 2p n:(yei*,uhwei

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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 bapv92lebj2otu twjah0x4 i+ hqf 4mp45t 1z.6mck, the person is likely to suff mt42ah juv wqoe1it.lh49t jm0b +2p 6x45fpzer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can us7uffaxp58v6yn/(psb no 4 8pdually 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 mo o8u3bt4s-2iqrv w-, this gives rise to a vision defect that can be corrected by s-iv bt43 2o8rou-mwqusing

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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 shortm o iep6j8tq,ad7a) n9 from front to back, the person is likely to su 7)a,neamioqtjd6 p89ffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can ust 2.ld xxjs9 3 0smubb/s0fh0sually 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 short from frongmc:p q+5swutp a5*yhkr 9m2.t to back, this gives rise to a vision defect ty2m m55p*9cktpgq hs ur:.+awhat 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 8nye ikd+,+;s 7m kv4 nzt:zyjg)sh4k 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 p zbssu6*o 6koahl0(5in an astronomical telescopo (klbho605 s6us ap*ze 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 refractif bh f9h9l-/1v-aklytng telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. Wa byh -/f9l-v91htl fkhat 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 unifuop3 +tsii6 f3:tmd x6orm sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of the tel 3tims+:fpot 3x6id u6escope 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 magnifica;8udi i6 dic7 ()xgkn hps,-sation $m$. 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 ,* )nyc;r4om*xysvzejy2 qt+ expect to be able to see the greatest detail when usizvq4 +m; e,jyrn*)sy * xt2ocyng 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 sufferyy;bpb/ti6 4kc a-br; 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 s*h 3e/i4hhntfm* uz u/6s; dlfrom

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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 mimpkow n l,85s2croscope 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 douumcgh:2er * j-bled, what happens to its resolving power assuming that all other factors remainrhc:2eu- *mjg 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. What lens (in diopters) will ajphpxeiu3h2 0n(/q/x,os w ;zllow this person to see distant objecj3h /q o(xix;/zen02upw hs, pts 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 away. What power of len dp, m72jsi:dts should be prescribed i,tjms7i d p:2df 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 whoscwk+6az. z/lubf4d*l /e;bf ae lenses have power of -0.15 D. What is the person's f;/ce/k+b lw.fz4fa au*b6dl zar point 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 uncorry;*rph bb.nk 9e5 hgu/ected near point y *;.bk 5ehhung/bp9ris 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 farg0z2w/x5c + *usyl1 gky7rdnbsighted person is 100 cm. She places reading glasses close to her eyes, and with them sh+ 2sy5 lwgy/g*crbn x17u z0dke can 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; nsp5jv+am0a-ko7qu a newspaper held 25 cm from his eyes, if he wears guj 5qsp;+k70 aa-vm nolasses 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 r)c7:l8 z bc/8cbyoes focal 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 infinity?:o/ e87cbc) bl8yzcsr

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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 izhpf(6qd(84dm c tp,of 10 cm. A person has a near point of 25 cm. What is the mag8iz pd4t6c( qmp,f(hdnification 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 magnificatio lkbooka+; 4cv- c8nbx s2:xm.n if the image isxnb;4 mak:cb8 v2 l k.csxo+o- 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 of focal length 5.0 cm as aolz b ;nzt;/9*w a n0/ev3op/ta6ctok magnifying glass. What is the maximum possible magnificati a6vnw;*zl;/ak9 coo optn /btze03/ton?

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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 t3b: v t)ut.ef1;igqtbtl . i8of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxfl;tt)tbt.1 evut i:. 3bgi8 qed?

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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, andf pvnx9 :a m/6mhg.qr- 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnifg -r:fhmqnapx 9./6mvication 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 h*p a r:ie3ze q/54kda4wo h3t2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use *kod 4 /perh33z4wt5a :iaehqany 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 length5(i od*d 4swm 8zd dsodnz51v2 of 200 cm and its eyepiece has a focal n mzvs5i(8d15*zo42dodd ds wlength 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 witkv./xom s4*v)wghel te7n .4hh a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is lhvmwv/et4o7k) s. n hx.e* 4gthe 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 of 1dhubv; im,i9o.(s er- 0. If the telesci h(9rdvb,o;s- m.e uiope 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 /jhtyalq.z70ja b, 1zlimited to a length of 20 cm, what is the approximate focal length of the objectiv y /ht z.ljja7abz1,q0e?

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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 1.1dszvb xs v4(nu)-uxyrxe ;k + +bjk1/4 mm and an eyepiece of focal length 20 mm, ad+d-uxb /+nj)x 1v v esrxsyku1;z(4kbjusted 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 length 1.4 w zz5kajhs h 99/:qf gz,gm( 7gmeii,(mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood samplhg 7/s ,k(gf5z, e ia :h9wzmqz9(jimge 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 e:u r-xva52dnhas an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cn-xev: a5d2ru m, 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 m6j);jv,uf-vmx(. xb* g yyapa 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepabp,6y gfj (u.)* -vmmj;vxyxiece 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 seprm :2 cqs4q;vnaration of 10-5 rad nqcr2;m4s :vq. 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?

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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 oi +r b9u3pzd6jbjects 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 objectiv+9b rjpi36 uzde?

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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 diame47dahdco0dd 9jd3l g1ter of 3.5 mm to 1.5 mm as the illumina0hc 4a3o1d ldddjg7 9dtion is increased. 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 hwv4 k 8hr 5evttjksn+8r3o+fci+w( 3oas been placed into Earth orbit by the space shuttle. What angular resolution could this telesftji3+n rw3kvc4wh+o8 +ksvt 8er (5ocope achieve if the wavelength is 500 nm?

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