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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 isuv imr0k/ z(0qxdf9 l5 open and the film is exposed in a camera is determined by r /50kz9im0ux dflvq(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 reachingpn1zi:lh6 wn3 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 camerae/eq/)b)iif2o5o2,o7 zt oc zg vriv6 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 fuzzy picture iz2 qfo6)2r/ieieob5co ov i g,vt)7z/ s 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 ts1xpuj1(rvv )9ait t/ hat corresponds approximately to that of normal pr /tt(xvusi 191) jvavision 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 refer8ob (mw87 jbbkqgir*k c-6u ( bi0nz 6ha+yyz8red 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+(le//0 w px txmjrce4 j4iul) that of the eye and through which objects appear smaller is rpt)c/ux4l4w xl/j0rje +m (eieferred 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 sogm;5me tz23 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 by the eye occursqh:) :2vy0en e ig m7iwp8elg8 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 objn k(bay:mv4t6mm :me(ects 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 t(lhbz4x73 a bwhich 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 aec3 0w9pz6m) qtd+e2uxdkq/too long from front to back, the person is likely to suffe0 qztmad2we6/9k qpc+ 3u) dxer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can u7 k9 ld. vs,w3ryluq2ysually 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 givesia,wfa+38t m2ij0j fc rise to a vision defect that can be correctt,8jfj3wam2 +iic 0a fed 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 too short from fron82bf,;fap i njt5:frnt to back, the person is likely to suffer fro,ff;ba8fpn i rj 5:n2tm

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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 corrected withr4jo(-f9jaxr o hif+2

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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, this7 jrvd eve(gr- t60s4k gives rise to a vision0v( g-er des6kv4jt7r defect that 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 magnifyinx l)emwj0v /usl7, 5ll:bat*l*xsjh ;g 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 ve7doy(r8rl(ge ry large diameter objective in an astronomical telescopeo8 (yr (edlgr7 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. Suppose an opaque screelhobmw95,x.b i) 4jr.h gb9t pn is placed in front of the lower half of the objective lens. Wha. m h4brhwb9)lig,5bjxp ot.9 t 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 ha5vyo49i uzct ;s uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best disting95v ct4oizyu;uish 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 telesco jio4u,t -2y4udq:rrl 5 8orsnpe has 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 to see the greatest da 4x.p0. p 0dq dvjd-yvayj(2njzh k16etail when using a micro.p4dpaxj dd 0jq-yhvvj 2a.10( n zk6yscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff suhv 5 h36*m(kap/mmqq7 t,kher from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferq vbkp5.zl (.b/y*ikn 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 ey4d+qaw(p m3 j 9zsluq0(rk+a 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 doubled, wha (iww zqd+3mu9t happens to its resolving power assuming that u+z (9 3wimqdwall 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 point of 18 cm. , 1a7*l*q:nj(tgadacwmv.ih w +3sn cWhat lens (in diopters) will allow this pea1q*,*gms n(aihtwv7.clc:j 3anw +d rson 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 objects more*xo)gj,;a*5t ewdxui mfmi92 than 70.0 cm away. What power of lens should be prescrix*mw)o m9fe5t* ;djx,gi a i2ubed 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 personvzy1 l j g+xv-v/z,jc; wears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the eyxv;gl/ 1 -z,cjj+vv zyes?

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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 farsighte-z (gw+; toqoddness where the uncorrected near point is qo(tw o+-d z;g75 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 gloq , 8g,ii(dk3wyfe245 bewiaasses close to her eyes, and with them she can comfortably read a newspaper at a distance5df,o ,k3g24iqaiwi w(b y 8ee 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 b,re/p/e sy7zepfp ,2from his eyes, if he wears glasseseee/r2bp , ,7psy/zpf 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 focat6g s* 39n3i*hz2cjg hlqwkq+l 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 focuse*c 2i*njqqz6 3ghgl k+wths 93d 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 + z,jm6ke)4y t zkkw(j10 cm. A person has a near point of 25 cm. What is the magnification of thz(+ j)m 4e k6kkyjzwt,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 7.0 cm.,w + t:jfpiagqn qrs):(; 2akw What is the magnification if the image is viewed by ,)wif+nk aj aqwp(rsq t2 g:;: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 focaisbuyht , .3*yl length 5.0 cm as a magnifying glass. What is the maximum possible magnificas*y3b i ,uhy.ttion?

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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 focaqs4b)n0p j*0 y q bztb79im9vfl length 5.0 cm as a magnifying glass. What is the magnific0fybmviz q0)nb*799p qs 4bjtation 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 lengxh1j +5f 81mbyt; vyfses 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 telehtfmv y ;bxj5gf8y+11scope, 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 lensv *ze/t9 q wh.xpd5,wjes of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lensesh. vwejx 9/ p5tqdz*w, 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 83bl +hudaw+8 ao6kgolength of 200 cm and its eyepiece has a focalu+a88 ghoalw3 +od b6k 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 (5n9,ied0, yfn :bk gp *;iexaz pq ng:2;tqdewith a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal l ia ,ng9i (:qep:d;*p2et5 n 0y gfze,kqxdb;nength 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 with8l uaft,pb3n-9 - sprq a magnification of 10. If the tea-8ufpr q-,nbspl39tlescope 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 limited to x.g4kf o: vn;xa length of 20 cm, what is the apxo.xgnk4; vf: proximate 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 g* l1v93inz; rca3bkfhikh ;) lens of focal length 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. How f 9vg;chkzil)1r3*a;n hi f3bkar 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 eyejpyz/. 1xn/10hoe lkb4e9l zmpiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is xkleel4. o9hznj1/ m01pbz/y 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 of 3.00 mm and an ey,7x n1gdg u nv1:r+ sb3b9lpxyepiece of focal length 6.00 cm. If the two lenses ars7 ngn1pl 9:bxdvx uy+,gb3 1re 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 18-cm barrel and an objecfk-5dye-lf1s tive with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magdsfkl-1 5ef-ynification 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 constellationout5y.v t;i, p Orion has an angular separation of 10-5 rad. If the wavelength of the light fropyvit t; ,u.5om 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 objects which are 0.010 mm apa7) euc5kiu8a ege .u2zrt. If the focal length of the objective is 4.0 cm and the wavelength of light used isi)ea2e7gu z.e 8cuku 5 550 nm, what is the diameter of the objective?

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单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's eye ci1hsz v7zbl9se,p s 15:0hhrnhanges from a diameter of 3.5 mm to 1.5 mm as the illum0: shs sze9b hzh,p 17l15nrviination is increased. By what factor does the minimum angle of resolution change?

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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;de:naa++rg yu 8u5c h orbit by the space shuttlu rg+ u5cyd hn8+eaa:;e. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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