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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;. h,l;bsb :bi lokppf54r*ub exposed in a camera is deter4kpr*; :fb,s;. pbulio lhbb 5mined 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 1t4w v)ri+mo hdetermined 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 the **-vjc zos+0acje-k flens-film distance may be varied by sliding the lens forward or backward wi+-a -0ce*skj czjfvo*th 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 ok.ar ga r2fh(0)nln7gf view that corresponds approximately to that of norm.n)r7r (fag2nhlk ag0 al 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 ime,jg q 88fq9/g.i uuuy7/qfhwages 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 the fildf sggp;e) :y7m with a wider field of view than that of the :pe7;s)f gydgeye and through 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 difffl 9 /emtc)0j:rvm) tuerent 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 light by the eye occu rp0ulz2o9 m8krs 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 clearly ishr*t4 4ax. ryp

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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 objeeakrcc27 f2y w1du6 p/vvydie)-p+k:cts 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 too long from front to back, the person is likelyac s s)x:i( .8lr3az.ep3xtw a to suffer frozx3spx area t. :i8l.w()a 3csm

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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 corg 4uueg (+u(avrected 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 isyv no/bm1++sc too long from front to back, this gives rise to a vision dvybs1n /+cmo +efect 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 eyeball is too short f1 25cxrxm0kgu rom front to back, the person is likely to suffer fu2kxcm1 g0r5xrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualx0kv c )35u6qvf; xmnmly 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 fronk:e i*rfh)8 lo7. ymf9jy nu1ft to back, this gives rise to a vision defect that can be corrected by r :e .iyunff*jy9k81l 7)hfomusing

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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 glaqalsj :dn. en1x 6 5lua+o5,aqss?

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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 astronoxjqca:n7w nq-j x /x0 q6vj72rmical telescorj nj6qnjq:7xx/v0x 2c w7-aqpe 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. Sp4 y)krcjih4r( 0lgb7m-:tq vuppose an opaque screen is placed in front of the lower half of the objective lens. What effect (7 jivb) 4 rlymq-0th 4crg:kpwill 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 ow g8dbwe2gud:k+l.-rs w9.jhas uniform sensitivity throughout the visible spectrum, in which of the following cases would you be u.o2b+l-d egwk:wj9 rw .gds8able 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 telescop6pffeh)xm : uucufrj,830-rhe 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 the3y a5raewv c2go- o 23-pq)io.3n lotz greatest detail whe2q233 ocoe.n5zi wyl ovtoa-gp3)- ran using 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 suff3r6se bx*1tezej + svhlc*v;(y6 5 cwjer 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 fr.3 td e:t(a*ud gjo;4ugp9kc)qhzu 4jom

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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 microsc xbsa 1t85r(ekope 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 a0 xnr6u )bcnsrr7la3 yie )b6 (bdk34m radar dish is doubled, what happens to its resolving power assuming that ada nri6bkbr0slbn7)m( x)3r4c y e 3u6ll 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 poinh:*f il b-pcy.t of 18 cm. What lens (in diopters) will allow this person to see distant objects .:plcihf-yb* 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 awaymfv;iftd wi4 hn (757ecn, at,p,yit(. What power of lens should be prescribed iv ;,hw5,( cftfyaid (7npt,i4 7t enmif 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 whose lenses have power of -0.15 D. Wmtfml7 vt:5b bz 8(l,c91vblr hat is the person's far point if the glasses are very close to thltmlc,zb vr:bf 5lv9(bmt 1 87e 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 farsightedner qb9/*omqou3t jjj tx w7,kno- u;,w2ss where the uncorrected near point to7uwq ouk,;n,jtrb/392 *w-xj qjmois 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 farsighted person is 100 cm. She places reads+lrd8r0o8krl mlhy 19rcn1i.q*)h gz3 jdo, ing glasses close to her eyes,rdyromj lq r)8c 9+lo1013ig, .8rkdzs lnhh* and with them she 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 kb.-je/4kadl fqx pvx6.l:.ma newspaper held 25 cm from his eyes, if he wears glassepa/kfq-md.: vljb..l 4ex k6xs 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 10o73fbpyks*m abc;0txmh o ,*7 cm. A person has a near point of 25 cm. c3,*xomop m a *0 tskhb7fb;y7What is the magnification 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 ofkvq)ijuc5i n4z29 zy+ 10 cm. A person has a near point of 25 cm. What is the magnificatii24zvc9yi +nzjq 5u)k on 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 magnification ue iivieb(,d7y e )g21if the image is viewed 2g,e i 1(biyud7vei e)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 a magnifying glas5r k0mh9 1tz5*xi 9pqg 4yjulps. What is the maximum possible magnif55gx*tp1 l0 hk zqiyjp4mu99rication?

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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 magnifying ij 0gwg637 a/wkv, vncglass. What is the magnifica 30gg wk/ vnvw6ijc,7ation 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 ou/mwl ,6wm vhp un37l7f 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 builuh lw n,/m3wp7mvu 67ld a telescope, 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 lengths 2.0 cm, 4.7ywl -ds 1/nx av wkff5079fdqbu*7yo 0 cm, 8.0 cm, and 16 cm. If you were to use any two of these le-ybadfwkl u 0 5y* xdfn97oqv77wf 1s/nses 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 length4n+ng;1*vz7g uka wgi of 200 cm and its eyepiece has a focav*aw+;gz7 knn1g 4guil 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 telescopb6x j l h7anm8-igx1iy9 qps),e with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eh-9 jnyia8)gisq6m,p1 xlxb 7yepiece?

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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 rj.u1w oq.vw )d:-gp :bant0x c.3gunwith a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is .g10 3prwb : d.wn. ng)-cxuojuat qv: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 telescojh ++1 pvb vn(lpp17 px5zku2xpe is limited to a length of 20 cm, what is7v +upphxpk+x 12jz1l(5bvp n 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 an eyepiece ofg-gwb;lm5s w ir)v vg9clb;( 8 focal length 20 mm, adjusted for minimum eyeg9 8s;gl r(wlv;cib) vw b-5mgstrain. 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 m5 /qllzb mc)92zhiz4om and an eyepiece of focal length 20 mm, adjusz4/qi5cm 2oz )lhl z9bted for minimum eyestrain. A 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 length oj2g1jlw 1qo f5f 3.00 mm and an eyepiece of focal length 6.00 cm. l5f2wjg1j o q1 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 objective with- avn1) wgy(ii a focal length of 8.0v y-in1)gw (ai mm. What is the focal 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 angular separatiwf(gi52hc69 n rl4 vfxon of 10-5 rad. If the wavi9g26 fcnxw (vhl r45felength 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 ivv3 *dl t+tn5hs designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm a*hl 5d+vt vnt3nd 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 fromy8(gljld)o)s )c5y vuday( z, a diameter of 3.5 mm to 1.5 mm as the illumination is l)sy ycdgdy,u)((vjl) oa58 zincreased. 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 jn9vdo0b .bda9ya 8t:Telescope has been placed into Earth orbit by the space shuttle. What angular resolutiotya:9o.8vnjba9 dd 0bn could this telescope achieve if the wavelength is 500 nm?

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