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习题练习:Physics Unit25: Optical Instruments

 作者: admin 发布日期: 2023-05-01 10:00   总分: 51分  得分: _____________

答题人: 游客未登录  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 camera is deev inr0 t/f8 *q -8bzj1)6(rj-lg/cpa jfszi qter*q(rbe f6zz gjft nv-8cijp8 is01/la)/ rj-qmined 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 th3r n92y//kpei+6 :ycz ngrhl ae 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 camera t ;ahjpx8prc**(4qlyr he lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing.qr(r;l48 *axjp *hpcy 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 couhvu*w p wg,q 4305a h.tv0f ibvc11obvers the film with a field of view that corresponds approximately to thaa13 b p5o1i,gu0v.0bcfwt h4hvquvw *t 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 acts like a telescjlrg9tt/f ,h5 di.2cw ope 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 covnh.yp67, dhka ers the film with a wider field of view than that of the eye and through which 7n.k6ah,ypd h 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 wayst3 fp f(x0paqm,i/jk - 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 light by the eye occurs at tx v.hii),q52vzqe l:she

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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 eyegtjoac1 ; 2z+i can 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 l,p19qv71enqo 4rof e 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 tx7g+hko ,/xo)5 x ,cpiig d;rnoo long from front to back, the person is likely to suffer from)oo x5,n 7+/xh g xgdp;kciir,

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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 corre9:avhjz oo)v/ yen -n75 uhq7ected 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 fr/ab(y;a qlw,et1ln gy,;*vyuom front to back, this gives rise to a vision defect that can be corrected by usi;,ywtq*by /a ;la,v( en ylug1ng

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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 sh x5p* oqte )65n -eyw6,eawbpjort from front to back, the person is likely to sajpte,5w)*q 6epb-x5yw6 o neuffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually v /ce/x7) ao8m3m/zubrx iu( bepx2: mbe 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 gives rise to a visi4cpt2f8 1 stoksqf(c.o(t tf28cc s1s fq.op4kn 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 magnifying glassx f jvhzd(-a*z 6y;jf55r, sxa?

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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 di9twf lwkpr49 q--j -rrameter objective in an astronomical telescope isfr -trw k-p94q -rjw9l

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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 t 1kl;.km8s a (hzc;hsnqj5;wgelescope. Suppose an opaque screen is placed in flkz5hsa .k8 cng(m;qw 1;js ;hront 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 sen )/heuqa ;un/ru7vx*ljq y((x sitivity throughout the visible spectrum, in which of the followijlxy*u;)hnqqu/u7 era/v (x(ng 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 has a magnificatiomfzpg/p/m.8 hd7 g7 lgn $m$. 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 exp)z 1x ns wxp*qw,2e,bkect to be able to see the greatest detail when u)xz*2 weq1,wkxbs ,npsing 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 suffayd b pm i;z:;ifcv jt25w,y 1 tl0m8f/uo(v/ber 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 l6sdft/aq dq-nlj;2 4rn0; tefrom

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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 tockh*;+qj 7yqv;bf 3gm 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, what happens to itn2 gik(qb+ cy -/tzz)rs resolving power assuming that all other factors remain unchanged? i)nkg(+bt/ qz yz2cr - 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) wil09.kjje -kcd0qo3m zpm)l o p3l allow this person to s k3ejl0j zqmcom0.kd-9p)o3 pee 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 cl,d/l/su40qlh mdi4fxearly objects more than 70.0 cm away. What power of lens should be prescribed if the glass4/ /ui0dqmlsf4lhdx , 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 glasse fvi0j /1ul co-9;xed4c(ygces whose lenses have power of -0.15 D. What is the person's far point if the glasses are vj cg-;c/0( eyv9fl ciod4xeu 1ery 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 w4v(9o kh)nbihere the uncorrected near pk( i)vnhowb94oint 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 farsight( lk37)a*f z,qjfaqn/e2s szwp51wwved person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power ijwv(2/wpsz*n7aw1f fz s5 e3)kq a,lqs 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 hei1rmb8s h+ vtm *.1/ alofrh(eld 25 cm from his eyes, if he wears glaomhbs (av*1. lie mh1f+ tr8r/sses 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 az77 bj4ahg9, cfp opi* near point of 25 cm. What is the magnification of the lens for that person when their eyes are f,c9i7pj7a4 gbhp o*z 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 ke+ 08rkv/9vuu*x sz iperson has a near point of 25 cm. What is the magnification of the lens for that person whev+skr z/9i*80 k xvuuen 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 foc-v )gvqxmffh ym sx ol0:y+h 8/h20tf:al length of 7.0 cm. What is the magnification if the image is viewed b0/xm 8hgvh:hy)-y2v0f fm sxol + t:fqy 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 d wac/ (t9,tbw) smh8ba magnifying glass. What is the maximum possible magnificw)8bb/c(maht9twd ,s ation?

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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 mag/ ogb 2sjfvz kvnip7(;nbl9v)x, l .)mnifying glass. What is the magnification if the person's eye is relaxm)n i.,vk gfzpv 7slv9;bnxj(b)2l/ oed?

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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 h 0(mh7q3+ wpevqnp4scm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you could achiemp04+ehq7hn qpsw3(v ve?

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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, a:m47:uetb5 dl1vcr t4.0 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 magnif t c vm1bda::l745ruetication 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 -c9 ymmbb02 g:v xhc6mgsmmu.8n (uc0its eyepiece has a -.mc0mbm(hus c:gx92m 68u0n vgymcbfocal 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 with a magnification of 10.zn1 yk:b lm6.bq(smb0 If the telescope has a co 1k.l zmb0:y(qbm ns6bnverging 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 astronomica :q,fnta+4/6fm 9fxtso-mseil telescope with a magnification of 10. If the telescope has a ce+x:tsnit f9s,/m64fq aof -monverging 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 telescopeb6brc6r ,*t ef is limited to a length of 20 cm, what is the ape,ctbr6f6b r *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 lens of focal length 1.4 mm and an eyepiece kmmg, .:mbjzq3qpv 5-of focal length 20 mm, adjusted for minimum eyestrain. A blood sa,-pv km 5gq j.z3m:bqmmple 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 of4oqsjy-6ei l 4.el(q g- b9mwi focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestr.4s-melo qi - 9w(eqiyl6j4 bgain. 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(h3 fl,upk8yi length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by(u, ih8ykpfl 3 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 barr( sy6ii56kwhg ss6q.lel and an objective with a focal length of 8.0 mm. What is the foca.iqs ksw6g6 (s5yil6hl 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 tw7)8 nvo2wbknbgj: p* he constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve the wkw n8)b7jg*:bnvop2two 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 desie:/)kz;mks/7pz iew4 hf6m va gned to resolve objects 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 diameter ow/;m as vez)h/kp7 :fzm46kief 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 zsn;dq)*xe1 +ov(bljof 3.5 mm to 1.5 mm as the illumination is increased. By what factor does*lsdb vz+)q( ;ojnx1 e 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 ftmdgh qaw*5*n(gi1a79a z*dSpace Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achida 7tmi**5 (*9g naw ah1qdzgfeve if the wavelength is 500 nm?

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