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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 shu5ua 02zg dbtk6tter is open and the film is exposed in a camera is determined badu5z bt6k 02gy 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 h lbc./bvb . 3c4ptrc*reaching the 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 the lens-film distance may be varied by slidin8i18) edm nywjg the lens forwj) e 1nm8ydw8iard or backward with 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 of view that corresponds approxi+8p qvi. b(;hoqbkmf679wcd k mately to that of nb9q86kbo;p+cdmhq kw iv7f .( ormal 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 imagv* t8zim+y6+ki+* du 6ar steyes 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 fhgn) os6yttp10*a p4irt5* ;vjcb- yfilm with a wider field of view than that of the eye and through which objects a t0tshi;- )65f*y*4 pn a1cbyjv rpgotppear 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 different from the human p1sh)t1f0tc l 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 thlp: ymtvk :m4 * t+wsjuf*r6y++6nv ree

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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 eys m/ns44xkmrmu;0lk lgw ej .48vu)m)e 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 an eye can see objects c. yv7,qy+ 5 zf3,vkn.p + r2locuoddiylearly 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 4dz n,15y.jx6x moqzqr,8y e1ftx8cu is too long from front to back, the person is likely to suffuz xqx6y ox z4 t1d8fq81,eymn,jc r.5er from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuan-x6;tx*(w et jc1 d3miv 9jaally 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 from front to back, this gives rise tvc*k( xnu36,a9ry7wg p 8ieiuo a vision defect that can6*,gy3 (i uc 97r pvkxenuaiw8 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 from front to back, the perso:rjlh) 2 v.m8njkr r3gn is likely to suffel8 nrh.j vjm3krgr:2 )r 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 m3zk, g )2 3hf w)hzgwgyb/y,obe 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 give)+v38lzmm d2n a0b)ftt )jm jq c kwto-.e+c5os rise to a vision defect that cafmctm jej+w-vt)n 2qo0 b53k+.m)8lzda)to c n 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 magncqa :snq2o3j7fw s:8dyr 0ai* ifying glass?

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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 usinv3yq gu 7- c)shuuy,4bg a very large diameter objective in an astronomical teq7 -y3uuv)yc ub,gs4h lescope 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 opaque s ket/p q xtn.u7ri/*t 2/ry4locreen is placed in front of the lower hat t* q/l7y.nepu it/rkr4x/o2lf 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 used2tk r-w ixjit.2q0c . ++ozbbobc00ez has uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of -z 0o0xi2bicbt +2jek.qcz0rt o+.wbthe 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 telescopvi.jkrz lr)o u0r l3s.q 4y4t8e 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 bejx;ix m 1hg2 -/g(kdu,byl3lt able to see the greatest detail when usin (-xjmh1;/k2x,gy tg b ui3ldlg 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 froky-g *jp odsl5y404k sm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffliga+ -gsg/p3 er 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 jo6-0 x h:w7 bqdnht)yrefers 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 doubled, whafjb1 -st6* rayt happens to its resolving power assuming that all other factors remain unchanged? Its rej a*-yfs1b6tr solving 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. j.7w ei8tz p4l What lens (in diopters) will allow 8it ej4l7w.zp this person to see 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 cfkgd 3w9lr9a1 f u; hse,)ma(rlearly objects more than 70.0 cm away. What power of lens should be prescribed, 9w3eafm d;ru 9)rakg1lfsh ( 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 wn 7i6l9hb0g1tugy zobwu:c+3hose lenses have power of -0.15 D. What is the person's far point if the glasseiu7 n 1 h:wugb z036c9otyb+gls 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 fa bno-5 fe.odo3 onmncw6,q 2o(rsightedness where the uncorrected near point ioqod mownon 6.23,-(e5 fcnobs 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 reading glassllod(8mz1pn 1 6/len zes close to her eyes, and with them she can comfortably read a newspaper 6ln8 1 dezp1zlnlm o/(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 from his eyes, if he u.uk+m r4++dko;vrtx wears g+xkv +rrk udt.mu;+ o4lasses 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 n 94zl5.nxpsz3rj4k egear point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infinl.n z34kgxz59 s p4erjity?

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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 foc9d hef96xe5 uhoi:p+yjuxn *ca2m: 1ual length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near poinpe c1d x uh fin:o9+2j6 au:*hue9m5yxt?

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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 leng 2 ewgrgwe09c2th of 7.0 cm. What is the magnification if the imagegw ecer922 0gw is viewed 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 az9xxzz r05sludt37 tv85.h g bs a magnifying glass. Wz8 rzx55d t.zblv3h gt7xu90shat 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 magnifyzg c/o7ns 41aiing glass. What is the magnification if th/1og acisz4n7e 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 x s9-8kxaj m)muv3f w7+sdawutwx4;,of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. ud s)x 3mxxsaw4 k 9v8a+wutjf ,-;mw7 If you were to use any two of these lenses 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;8 avuwpk g(r)xlo.(b .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 magnification a.gp )w( bxulr(8kvo;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 foc *obtup, t2wxgd,5*e)q8oh faal length of 200 cm and its eyepiece has a focal lengbt u,8,ox5 oq*2ed )h twfapg*th 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 wxy7aq-z 5wjrs mmxf) 1uu4eo7+ : ;htaith a magnification of 10. If the telescope has a converging lens or+ owxa)75m uys7hm4jx;fzqt:e1 a- uf 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 telescope with a magnification t75x*.-rw-h nexc hw *3dsya ztbq+(e +ycts6 of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the . + 6 nwyq+tch-aeb xre 57(sttyc-w*z*sdxh3telescope?

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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 telescope cf.7 u0 lo0r) xshs6 ag:wrlo;is limited to a length of 20 cm, what is the approximate focal lelrg)auh0or wcs: o; 6 .7ls0xfngth 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 m8em 7,e6t- 6e xe g)afm8sa+x: lxp1fmfja7xan eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bloodm6 xmfpe- fgajxea+mflt e: s 8e mxx6,7871a) 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 alt3awq93 pq h4e3vc3mn eyepiece of focal length 20 mm, adjusted for min e p 333hwma3vlqt4qc9imum 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 fo35k t( zxl;h n7pgtf/lcal length of 3.00 mm and an eyepiece of focal lengt t; (ltp7kf3zlg5h /xnh 6.00 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 obje z,vu:e0ajsd; ctive with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification ;adj0uv e:s, zof 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 separation ofd2j du7/-ma+ cfqlfk il36,u h 10-5 rad. If the wavelength of the light from the system is 500 nm, wh72,a+fl du6-/dmj iclfhk3 q uat 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 apart. ghe0wyihmc)t1;1t q; If the focal length of the objective is 4.0; hw1)q;i tgy0tcemh1 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 9 ly9 3:ilsnlpthe illumination is increased. By what factor does the minimum angle oip9 l9ys ll3:nf 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 placed into Earth or o7x lvy48qh2e+. m1ecoal mm5bit by the space shu4hevex.8 lly+ oqm7 cm m1o2a5ttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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