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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 shua-iym.c f.f gt cc; w5uu +8-koid8ge0tter is open and the film is exposed in a camera is determined by0+ 8tu;-eda5f .uc ckfcow-igmi .y g8 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 camepszbk+x,1a qs v7+j)e ra 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 th:*r;pcg *q z ah*7zi.dpfwe- ve 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 pictuh*gdf* wipe7v-;az z:. *cqr pre 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 corres fr -y1p if7h2ev v3v(t86yhvcponds approximately (8e6icyftv-yv 17vfr2vh p h3to 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 actscxid8k49d+d1ay)tqxs g9ele l:3g- j 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 th/la g u00d 9meye+3uqye film with a wider field of view than that of the eye and through which objects appear smaue0auyd0 /m3qe gly+9ller 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 tu(ip ik,uc+2xlvl)xt,z0d (q he 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 the5rhpv.fj/)d+ /,hax v jcu h0e 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 clear s6tr6f bi60 ,3vsqxcdly 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 gv ja4j3v+t/)yk 2gkx 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 lony,5 t zzjr:gh-g from front to back, the person is likely to suffe5zj zrghy,: t-r 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 bqkd5 acx. p2: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 tooo5nj9 a om, l3(vcks:h long from front to back, this gives rise to a vision deo(j5akvms,lc :93h o nfect that can be 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 eyeballpiiks+ *.di u)wvum ch n6n2 +yy);3ve is too short from front to back, the person is likely to suffer yv +nwuy+*p;vs)i nd i m.ci)e k2hu63from

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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 corr-xtx8j bfd8dj red ++8ected 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 1ajt/yx ur*jpm, z7 ;ofront to back, this gives rise to a vision defect that can be correcj* r/x zm7auo;ptj ,1yted 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 gl489()pu0datixy mzc /yw9 1cv, ibxw lass?

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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 sftc 8 q;,naco3nrc*:astronomical tel * fnc, 8no3qtar;cs:cescope 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 refractb7.3bg-,xdh(p zhus uing telescope. Suppose an opaque screen is placed in front of the lower hals 7bdg3bzh. ux up-(,hf 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 throughout the *w9br e,.)gfq jpd +tgvisible spectrum, in which of thebf+ g,q. 9g*wtpdr )je 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 h,nib j dvp qi0cc84e9:as 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 y, -;p1ibtup3il u ce p434entf0 (kmn 7dups)vou expect to be able to see the greatest detail when using a microst)3kefspm 04un4i e;7ul( vppi-d 1 tc 3ub,npcope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fol;yhi muut d(q6 k(s9xm86p(dcq+z- rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer h3h)f.nrm pf*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 abi1apc,zzy gh5- lity 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 dbj5z 9mec,q t)rz1d/cish is doubled, what happens to its resolving power assuming that all other factorscdjmc ,z 5e)1z9brtq / 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 hasfqzv;poy x;d;9 2w4i6pv6 ll n uw1am3 a far point of 18 cm. What lens (in diopters) will allow this person to see ;u6aqx;9;2ivp dmlfwo 6w 134 pvlznydistant 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 than 70.0 cm away. +3kld2u ybqe 5What power of lens should be prescribed if the glass is t5k qy eu3l+d2bo 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 lense( osw +h-;acdds have power of -0.15 D. What is the person's far point if the glasses are very close to c-wh o da(+d;sthe 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 uncorrectedph 0.i4o g;u)ywbmn5 y near point is 75.gp)y 5y0i 4bmohnw; u 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 glasses clow rhe:v 4;3akgse to her eyes, and with them she can comfortably read a newspaper at a 3hv4ga ;r ewk: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*pecj1nq .d+ c newspaper held 25 cm from his eyes, if he wears gdj.cnqe p1+*c lasses 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 / ul8sh/d)ij cfocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that pershd/s ui8jl) c/on 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 focal length of 10 cm. A person has a near point p6e b;(f:rr zlof 25 cm. What is the magnification of the lens for that person whepr(brz 6;f le:n 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 +d5wc1xfz6l 4qyu rb.z/3 l tilength of 7.0 cm. What is the magnification if the image is v+wx5u 3l 61yqbz/tfid.4rz cliewed 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 ;ktfw z2j3yn8.0 cm as a magnifying glass. What is the maximum possible823zywfkn t;j 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 conve vmop* l3,m -- .z+3suunqygldrging lens of focal length 5.0 cm as a magnifying glass. What is the m3.-z q3 g* lm+svnoluy-d u,mpagnification 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 lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 th (.8jv*hac h9t4rgocm. If you were to use any two of these lenses to build a telesco*jho(ag v.98trch4t hpe, 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 le):vm*7aicuuo -p rtlae8s4m,ngths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnifi* smaoil e,)4u7apvt- r:c um8cation 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 200zcnuwr,b j3e 45-( vuo cm and its eyepiece has a focal length of(z5w4,bun vu3re o j-c
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 magnification of 10. If twcd: yju+0ow 7he telescope has a convergu:o7 dycjw +w0ing 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 telescope4w9wit imlf:fwmo7 . 6 with a magnification of 10. If the telescope has a converging lens of focal lenwfwf4iim ol7w m.t69:gth 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 telescope6sti4ikkrpj( le, 6m91akm 9u3c blugk5o 7w:. If the telescope is limited to a length of 20 cm, what is the approximate focal lenr:( k94kib1o pl66 5u,eljmc kw7m3auti9gksgth 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 an eyeo cgs1i1qej8 *rug+ ,ipiece of focal length 20 mm, adjusted for minimre1 iqjo+c1g,g 8u is*um 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 mm and b(u9kn9.y i(ace 6pxl an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objecti(x by69pl.ka u i(9cenve. 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 one4 )/evrrukbd y **:zf 3.00 mm and an eyepiece of focal length 6. *r:)d e4z*/e vrkynbu00 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 and an objectivea1)p80q1p rds* mpzsv7 sd- rk with a focal length of 8.0 mm. What is the fpppv1sdak1r8d)7-m *s q0r szocal 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 angularix7h+xvo/g1omhx(lc-d6 )us; 9t jpv separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telehc9dv7vl)/t(6 oxuj gmi;os h 1+ xp-xscope 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 ob*hn4q5kulo.ol z ,k/znkz )3ljects 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 diame4h/l onqkukn ,l)l5 zzk*3oz.ter 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 of 3.5 mm tmt5h ;a qvdas w2v)k:z*cg;hr;m1o6xo 1.5 mm as the illumination is inca6v;d c5ha1g2 mx:z * mvroht s);qw;kreased. 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 H/ l 0eliy/nl5nv.wws8ubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this 0/.nv y nlwl8ewi5ls/telescope achieve if the wavelength is 500 nm?

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