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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 shutt xen8rwwi 0q(/8 ge;yber is open and the film is exposed in a camera is determ(n eyxiew0 q/bgw; r88ined 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 reaching the film in a camera i+n0++mh:a 0jj bo-knd)v pq css 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 camllp sx/8 l-6s0l xm0oqera the lens-film distance may be varied by sliding the lens forward 0qsl8l6l0p-xlms/o x 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 correswqjz0/sjnnw* zr,0 ( 7muk md7ponds approximately to that of nmks z r*m70 /jn(07,wqdnwzujormal 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 to as aey9z n5ybe5n69f*c fc

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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 co:1sg; m: z*wqs j3jyvr wi siclm6- 1mg*k+lt9vers the film with a wider field of view than that of the eye and thrlzjlw 9 g6m*si1svr1 - :w ji+*;tmgc3qy:kms ough 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 different from the((;cvr 6hhft,qfvhj8jxz 0(i 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 lighh*g ncf-*i)gzt 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 car3zb+( wk+vb uj(9gakn 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 eq64v e/+dh4 r. p-wwrhjxl(eknxq73 wye 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 toops g.lcslr mxdthmv9p d-x9t6/) ;d,; long from front to back, the person is likely to suffe m;9td/6; cxp,ptds9) h xd-vmlrl.gsr 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 camrrrq0- +m* oorrected 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 vi) gsazpu- )n8osion defect that can be 8 p az-)nosug)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 eyeball is tond)pa+o n mt-,o short from front to back, the person is likely to suffer fro ,nt)+oa-nmp dm

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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;s(m4m/*jfypsu a/b d 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 front to back, this giv51w 7ioplr/ljes rise to a vision defect that can be corrected by usingl15jl / ri7wop

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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 glass hph0t4x0nw/ a59ue vzfv 2eh5+d*fmg?

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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 usingkg r z 1;aoh+(,,ybto;wykyr1q ks,1g a very large diameter objective in an astronomical tekqr1zk,,ys+1y o(bh r 1kg;,;gtow yalescope 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 refrg2n*9e7*+uwi ec fnn e:8 goxdacting telescope. Suppose an opaque screen is placed in frcwx:8ni neee*g*9d+ n u7of2gont of the lower half 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 unifornmydrh15r 4 l9hdb33fm sensitivity throughout the visible spectrum, in which of the following casenf4yl3 5 ddh h3mr9br1s 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 ma fsdg4+1butw,s8qgh gq7 ; gtl0b,k, tgnification $m$. 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 gr3j tz w7;,a skousb9r*eatest detail when using a microoutzkw; jssa, 7b*9 3rscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer 7d j7cp08ry lpfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff0+wx,pdtecp 7 er 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 microscope refers to the abilito2,nf doz* iv b;v4q-qy 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 happenl mo-*bsr1 ncev,j+4 qs to its resolving power assuming that all other factors remain unchlq41jo- ,esc+rnmb*v anged? 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) x(qd(:gr(rs iq4 2huywill allow this person to see distant objects clearly4rdyg(i(:xu (qr2sh q?

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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 8f)u)l sdphec8tk ;,v objects 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 ct)he8,su;8)v p lkdfof 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 lez-l7itrr wkm(2p-fwz4 /h3dq nses have power of -0.15 D. What is the person's far point if rr3 zk(m-pfidz hlq4wt2w- /7the 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 the6bxqv9s s:v l. uncorrected near point is 75s qvbx.s9l 6:v 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. Slzx5uacxr37 k yo.;e6 he places reading glasses close to her eyes, and with them she can comfortably read a newspapely6;xe3rak 57 zco. xur 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 a fqv0ouy7ozv 1f: i.c 4qq4j.7d1lr yhis eyes, if he wears glassesifva.z1q74uyy4 d qlq1 o.rco 0jv 7:f 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 ct+ bj )sd:1zk) *txeszm. A person has a near point of 25 cm. What is the magbsjets:kz* +xt)1)zdnification of the lens 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 focax4111 plth29kx wfjv 3(nf6xlrp*qcmyu9 gt0l 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 eyesv92t 3p14ux1x0qyfhw16 cjll9gxm(rpkt n* f 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 cm4p y4ifb)13m:pph wds. What is the magnification if the image is viewed by a relaxey4 :fhwpim)p3 b14 spdd 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 magnifying glass.l. 5 ji.6r/kvzyoqe57j lm9mj What is the maximum possible magnificatmm yl rji l.7o.ze5j96/q5vjk ion?

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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 om/up - z+3fzoxt-3tfgf focal length 5.0 cm as a magnifying glass. What is the magnification if the person's -z + uoz3f p-3/xtfgmteye 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 8:hej r jsxuc4(etl8h)lu2e:l8 v2eo cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is o8ux)2evu c4lesj: lh:8( h jel etr28the 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 lo0 fo45htodw81jm/ 9rib(hpg engths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any t(hw 0opdj mt8 o14i5or/h9 gbfwo 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 h-9m:0vrylqay fj; :cwkl,* p was a focal length of 200 cm and its eyepiece has a focal leng w*0 -rl9m:,lkqc vy;jypw af:th 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 astronbjh 1/ +jyw agb03chv .fvg/x9omical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the /ygb/jb hg09vc.j1f+ xw3av heyepiece?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs a1ymsx 2trho7 s1ew8p0 qo k)a)n astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of theaop181w)mtkhx0 72 )osesq ry 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 4rkk,u zndb2(is limited to a length of 20 cm, what i bd k2,z(rknu4s 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 wmi b r.wxqlowch;. /-a v9:k;an eyepiece of focal length 20 mm, adjusted for minimum eyestri-/arlxw 9;w.oqb.:cw khm ;vain. 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 69g-ya a z*wtvobjective 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. W- ag96 a*vtyzwhat 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*dt5f br6g6blp.d34m qvd/ro length of 3.00 mm and an eyepiece of focal lp5mb6/ 3t*rdgd.dlqb for v 46ength 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 has a 18-cm barrel anda4g2 0n9 ffspw8f hf/b an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to g8faf24/pf shw9b fgn0ive 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 of 10vuh5.tezc*dxy p43 g40 g ks+e-5 rad. If the wavelength of the light from the system is 500 4 p .zy4+0egs hgtk 3ue5xd*cvnm, 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 whico zqo ;5 sdj(ya;z(v/dh 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 ofsad(o/do;zq; jv(z5 y 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 diirhhi 8 o c9( ly+y.w,amxf)9of:yh.tameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minim(i +:yhc9rl h foy..h,f98t)y aoiwmxum 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 0lzj+ fm76v mrplaced into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelenrvz0j6+m m l7fgth is 500 nm?

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