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习题练习：Physics Unit25: Optical Instruments
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 作者: physics  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 exposeden vvvn jxshbio 4tm.102l-/5 in a camera is determined by 12ntbvo/v- mhe.n0v sijxl 45 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 determinebhkz4fjl1 5: ad 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 lens-film distance may be varied by sli vi,3qwwdhjm,e1kcl /x.+ cnslmg::2 ding the lens forward or backward with respect to the camera housing. If, wijhlklmxn:/s,civq m e. w dw g+12:c3,th 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 covepoz o 47efpb0m-gnn j 5dv2-l)3kvmk 8rs the film with a field of view that corresponds approximately to that of normal v m 30ep-ko4b-z)vmkpl5dnv 7jg8n o2fision 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 tvm6iaecr)dz f:, uo) 1cn*xr5 o 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 t(6e 1zr2cm*g e)v9r 2nzpz 1 amwz)exihe film with a wider field of view than that of the eye and through which objects appear smaller is reg1zxr n9 c1v2 m mzrp6a)e 2wezz(i)*eferred 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 camerap ui/ux9pl9uo-**ui t 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 refrac -jcrsm:y. v+,; updjution of light 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 can .,lit5 0d,lzl1edei b 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 objem(+8fq xzuticy /1p1i 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 likelz(0:mu pr1ig dy to sug1 dpm:uz(0r iffer 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 corg 83 t)ljsz j7lry:cr*rected 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 rsfd4ybl:q; v-x1fv p+ ise to a vision defect that can be correcf+q;4 1f vpyb-dxsv:lted 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 from front to back, the pi; q+sa q/*hg+zs c8gferson is likely to suffa;fqs +z/si8g +cqh*ger 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 bex7h pesz 4m);29kpm jg 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 f2bx(fa a :z)vtoo short from front to back, this gives rise to a vision defect that can be bf a)( fzxva:2corrected 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 g;/1do8td91 mbuju9h,iufxg s .ff jw/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 verqkybc*lz.f4e yuhd x43w )k86 y large diameter objective in an astronomical telescop8yhfdwu4.6c3* kkby x4 )qle ze 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 awusb) iac )w.x1m30b tkuf*3e refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. Whax k1smf)a)u eb3 t .0i*cwbu3wt 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 throug:t)gx9f)2mhi su usy7hout the visible spectrum, in which of the followxh:gi sfm2tys7) )u9uing 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 7pwc d:asor9/ dorzcpq4*31whas 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 yg/ v)o3.gj0tnclt/m jk8s dh( oa7mv6ou expect to be able to see the greatest detail when using a microscopeko j hmvgg/tmajcl8o/6d3t0 ).n s7( v?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromrybyyx/ v 7du .rknfhk. u,66+

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufj; 2p6 osr le9bh6o69gj ptbo.fer 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 te 84qz ca:z7za xkl9k-he 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-g(ja:h dvm. l6r:d+rgbu ebw/+0e cd doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving pow/g + rb e::ar+0h be.ljucd ddw-g6vm(er

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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 5 ze-y/kj3euq::bp+j blr c7zxp.p l5has a far point of 18 cm. What lens (in diopters) will allow this person to see distant objplpcp/3. +ey-5x5b:7zl:uqjbje z rkects 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/1aq 9tjepc, x away. What power of lens sj1/ct9pq ea x,hould be prescribed if 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 ofv.j0th) x 48ho6 ttevy -0.15 D. What is the person's far point if the glasses are very c 4j)0y8.hhvxot e6ttvlose 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 the uncorrecteq35jpu2 bfi a6d neiq5fj263abu par point 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 farsighted person is al0 8 ox2*e zm bng6n6ydwy;t: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 :xt*we6m2yo6 ln;nd zga8y0blens 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 heldo*2eeg htad- c)q/ep2 25 cm from his eyes, if he wears glasse )dqtpe*h c2ago-/2ees 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 focaib,ca ;7llno7e+ken1 l length of 10 cm. A person has a near point of 25 cm. What is the eb;i1ok,+al 7le nn7c 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 of 10 c iu;e/y m(5bwfm. A person has a near point of 25 cm. What is t ei(/uf 5wby;mhe 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 focal length of 7.0 cm. What is the magnificatio f3i uyuf7c 2fdvdu4p2liq .y0/+mi2 kn if the image is viewed by a rii f23p u7.u ciuklyy qdmf+ 4f/d22v0elaxed 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 nz u((*1drba eglass. Wr( zn b*a(1eduhat is the maximum possible 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 converging lens of focal length 5.0 cm as a magnifying jx9tp:nl e fr*e:* uv(glass. What is the magnification if the person's9 en:v(l*t:jru*fxp e 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, 8.0z 7(w n(wy.kya cm, and 16.0 cm. If you were to use any two of these lenz( w7wynya.k (ses to build 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, 4.0 c ,)9iup + hfyvmfru9mr(s +g28vys/ etm, 8.0 cm, and 16 cm. If you were to uy( /9eu)rtfym28mvfh sr+p,ug +i9svse any two 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 hatw )3jf)e 97re lhse-zs a focal length of 200 cm and its eyepiece has a37)eet wf)jr e9lzsh- focal 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 magnific(tfm;2.pm zb3fv)an fh0qjj/ ation of 10. If the telescope has a converging lens of focal length 50 a)v2h /fjzj(pft0; mq3b n.f mcm, 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 anhd:z)qj;o t22yg3trh(3gghx u 3z; yi astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting leuxy h2h3;q 3; iy (hjt 2gztgorg)d3z:ngth 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 1b) z ijs/j7eod*j)sb 10X telescope. If the telescope is limited to a length of 20 cm, what i*/je i)zd ojjb71 )ssbs 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 ;qr2nsabld(1/21 xu d o,xlth v3/fvg-s bi*o 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 ld g;t 1n d uxha//i-1l3bblo*vox2(s2v fsr,qenses?

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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 an eyepiece of f/qm/e r1xs7 fbv5:qw eocal length 20 mm, adjusted for bv5: q7/f1q /meers wxminimum 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 a /mks 80gwu5 i;1cyjmrn objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. ;58sm m1/wrkcu gi0jyIf 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-cp m*q46uat. x isiezw 87/o;gnm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 240?zq;ap* 8. 4wsi6 mg7/oeu ntix

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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 ztaeps,4k s7l4 7a6g hin the 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 hl7gaskz6 stp 4a, e47just 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 f p-zn:trf+6q designed to resolve objects which are 0.010 mm apart. If the focal length of the objecti6rtfn+q z-:f pve is 4.0 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 ey4jn-g rb2kj4 x*)xyxf8la0tvo 31e w eppo*z* e changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the mini4 xtv 3x*2*-al4 pep0bfeowz o*kxg ) ynj18rjmum 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 x06wi0,:8wev /mw c;kvk cz mvbeen placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wav,w;v z ecw 86mi:w kx00cmkvv/elength is 500 nm?

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