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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 is exposed in a camerae92 3nhk f/x)riq n ihso:;enyh2f;p/ is dekx)p h;ihs2hrqynfeno/3ne i 2 :;9f/termined 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 is determined by theo;bwk 0jcmyy1 8qj3 6w

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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 the lens-film distance may be varied by sli*mwxb f5t so05o bw akk 2u )-9p.e/s5jkc2qslding the lens forward or backward with respect u-j ltpse5wk a .*o qkbw 2kox2c5b 0s95ms/f)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 cgkls0 .ew499e:h mh4lcqe ik1orresponds approximately to that of norm1 4lmisgke cwql he94he90.: kal 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 telex:nz bdujk * 8s11ru89h.riffscope 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 cmlm2, + 8.hyina g3gdeovers the film with a wider field of view than that of the eye and through which objects appear2 am.gedi y+38gl m,nh 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 follow ;ze)j/u(kybm ing 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 l)7pr ho: uahr7ight 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 c+eenijv1ip6 z +3 qh.yan 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 eye can see objects clearly iih zf;c xfgan3ro-;**lb)9gzs

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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 back,lfkm3 n7h14s o the person is likely to sus m1no43f7lhk ffer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usn7 im0m ow/,4k fk:x,k6wyeol ually 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 3:c edcp a0cy.fm c1u/ pi66jzfrom front to back, this gives rise to a vision defect cz0ccpmu/ep1 36c6ad. :fj yithat 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 eyeball q du (5*nu 2 xwt imu(-p f5tkxa0.q78brvbof8is too short from front to back, the person is likely to suffer fbd0q7uav (x5p8u 5o*qrb ttmiu(. -28k nxfwf rom

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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 corno* 0:ip 1cynmrected 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 8;:7gx pd q 9gryydx1gfront to back, this gives rise to a vision defd8gy gd71x;qpy:xg r9 ect 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 magnifying .j 7oon/;cagi 4bk2j rglass?

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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 v5vd ( wl.ony5g 8,pgw2vibg 6large diameter objective in an astronomical telescope.ld2n5g (5ibv8wo6vvgg , ypw 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 opaquf 1g0obvwp7i(v )op9 oe screen is placed in fron0go(v1vp)wop7 ifob9 t 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 uniform sensitivity throughout t6kz26rmhh leuis ,7 .hkvyc: 3he visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (T7ki h2r,usv3zh6e y c mhk:6.lhe 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 m 5hieu;jk7e;c tszt 6:agnification $m$. 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 seenvn-fo b/ct5ia i b/aa.a99,p the greatest detail when ua//pa-biia9 avc9on fbn,t5.sing 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 suffer from- u h1afmdhk b49yv,:f

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro ih k,ay3s+s3p:9af2 rxx 4qsrh3k5 cxm

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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 v6wzchj ..o1 ea 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 r-e iqpem20 s8q) ne)jdoubled, what happens to its resolving power assuming that all other factors remain unchanged?sp eeji20)qmn8 r )q-e 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 dioptersuc pqex(,z74 t) will allow this person to see distant objects c,z(ec4t q7pxulearly?

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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 tha5/emjqw84kmdh( 6f dc3w41rr ws8nfbn 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm ines/qh4w b m4wfn r58k j3dw8m(1 rfcd6 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 lglh-zloa3 vc0y44cp 9enses have power of -0.15 D. What is the person's far poi9copa03 hycl44vz g- lnt 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 w/x.*vkd8p 4 o8s3ffspkoat svx 2v-4rhere the uncorrected near poinx dkossv-48fo.p/r * 24xpksfvtv8a3t 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 farsi pjqw(.g9le* psli,e ,ghted person is 100 cm. She places reading glasses close to her eyes, and with them she can cwsl (e,,q*jp9.ilgep omfortably 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 a newspaper held 25 cm fropwm2v;mt) dfjwhu(-8q 1ycg(4-oe svm his eyes, if he wears glass;4my pwh(s2d(8wg-f ecuoq tv )jm- v1es 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 cm. A person has a near point of 25 vkn9(*8qb6m i ypge( ;flv,rw+17qth-w h udecm. What is the magnifbn6(( *l w f yw7vrgq 89k,hvpqi-teue;mh1d+ication 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 focal length of 10 cm. j3el;7 klp 2pxk yeqc5: 2u3c, tjvlj8 A person has a near point of 25 cm. What is thecpk 2 eq:c78 u,l3lj3 2ktpljjy5x;ev magnification 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 focxwn q +n *3ls+70twlug)rr lj9al length of 7.0 cm. What is the magnification if the image is viewednr l+g0 u9tl 3)*wn wxr7jqls+ 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 lenwync9vutt7 1: gth 5.0 cm as a magnifying glass. What is the maximum possible magnificaw7 tu9nv: y1tction?

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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 focal length 5.0 cm as a magne;oc 2b/apm7 iwu*bp+ ifying glass. What is the magnificat;wpapub7 *mo / ice+2bion 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, 5aa( ddo)e +b+e (neha8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the m hon+a a(5beda(+ ed)eaximum 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 lenqf k u*3)igr wg31eyy9ze2p1du3h1fyses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of tufiyr31e3*d y11zg y 32pfwehk9 u)qghese 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 length of 200 cm and its eyepiece has oznsi. ( ffyc(0b u7t-a fo(0ficf onust.y-( 7bz cal 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 tem.qsufu64jyws 2 52 /cibkvx 4lescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lengtbmyssv/k.w24 jicqu56f4 2 xuh 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 astron,z rr:96,iljsf1f z cnomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what iicr f l6f,9 z,s1zrn:js 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 th- hiib;5pv-u ye telescope is limited to a length of 20 cm, what is the approximate focal leni 5yhivpb-u- ;gth 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 fsonbi +4mlg.y i(mi9z -c5.j uocal 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 far apart are the lensei.c.+sz (um9b o gjiyi4-ml n5s?

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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 o4;4 pj )fr;a)i)gsbxw-9hmthku;naef focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. pka;)hh wi)4sefm9 4uj ;b n;gat)-xrA 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 with a focal lena ejmk)f,w p6 s)n24zdt )oud7adf2)ugth of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnification uudtnk 47jaa2 )fdzde,f6)ws) mo)p2?

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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 bah2jdc;c 7e5 tkrrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total mdet khc2j;c57agnification 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 separatee1dif hna/ 8e -a1lauc(1:bl ion of 10-5 rad. If the wavelength of the light from the syst1f/l-ehi e(uae1 :db8an 1lacem 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 az; (/ rz.iamilpart. If the focal length of the objective is 4i;(z/mzi al .r.0 cm and the wavelength 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 diameter of 3.5 mm to 1.5 mm as the uxbw0 z)4*psl illumination is increased. By what factor )pb0*s4wluxz 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 has been px:b5 req2sidrjh e; *4laced into Earth orbit by the space shuttj:eh r i5r*4;qdx2ebsle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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