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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 camer,i sp3e-3ci6tqex,gf 0 1hzw aa is determi6c,3h es3pxgew0tf, i-a z i1qned 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 recdv gi-h;y2d ai91b e9ni(k7 kaching 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 vari )ehevfnzu6w 6c*.):kru l hk r/r(d.ted by sliding the lens forward or backward with relku ef kr uhr /tnvr6w).h*)c.d: e6z(spect 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 corrr zv : .e; v9pdjmki)t1/ktaf; ,xltv6esponds approximately to that of normal vision is referre6ka1 xp .,dvtlkv;ji 9mvfzr : tte)/;d 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 magnifqh :mhse0 .yu h.p+1ony 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 the film withrt:h5nji(1c-jt ap 6 n1znde, a wider field of view than that of the eye anr65n ni,phtdjj (n 1z ca:1et-d 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 different fro)h xhn)d 51s v4k5kxfvm 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 refractionw1x wj;zmt w5 gk,x6t6k86l ej 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 a+0hgd-k qj l6qwp 6j-he +mo/ot which an eye 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 sejyuwa3, .; l9el,zzcq e 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 too long from front to/n d 0)b-8wb.y6effp sdv*tyz back, the person is likely to suffefzv- 8.6y/ypd*f )bwbs0 edtnr 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 bmepfvsc8*cc)j;2t2 jo:jp d -e 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 fromuea; tbb 7 r0*,cs 1fdxhmgj(: front to back, this gives rise to a vision defect that can be co1,sa:bh(f c7;mge 0rtdjub x*rrected 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 fro if(km)p:4x0y 8ldfqbnt to back, the person is likely to suffer0xf( qmdiyl84) : kpfb 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 be correcvu*9 an kp j-lrr.f s78k10micted 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 visf qdfkm49.a61hjj* fmion defect that can be corrected by usin*kh q9jfd.mjf m1 f64ag

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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 magnifyc z.0g5/yls9xmrik a9ing 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 using a very large diameter objective in an asg ,wv jf88; hegq*v +t)kaogf8tronomical telescope isvggho8kvw8f,+ gt) aq;e jf*8

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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 screenn +gp+ v/89yykcjrzb npg)w-3 is placed in front of the lower half ovcyn pp 9 3/+zbj-wy8rg+nkg) f 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 unifomr ,drt:*h3) u+mrn totj hc74rm sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distingurc7 ,:4mt3 nrh u+)trh mojtd*ish 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 hmg:(865 lumjswoa oh6as 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 etqnbt,* 13lq*akm- ,+r endxa xpect to be able to see the greatest detail whent3 ax dn ,-am,be *nqt1+kq*lr 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 suffe,oilor2gu * pnbw/ e7.r 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*ec 4(jwb9u rf 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 r6yot(-k*ngv 0ig*xz/q vvj 5yefers 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, what happens to its resolvin2 (0kiwacdn 6ry*2mszg power assuming that all other factors remain unchanged? Its resolvi0(dyn 2k rs2z*iwac6mng 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 cmrx esbk1(-hc6 . What lens (in diopters) will allow this person to see distant objects cleecs( r6kx1 h-barly?

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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 away. ;qgtu9; ;7 qb jylvpv:What power of lens should be prescribed if the glass is to be worn 1vqvj p7t;l:gq ;u;by9.00 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 h y5 *9h;lscq7o2wtnm-0.15 D. What is the person's far point if the glasses are very closh 2; wyloq 7nhs*m59tce 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 uncorrecteder a++dt3 d2b7y7av lp near poiydebp77l3vad+t 2 ra+nt 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 100 cm. She places reading gla z1.sb ,q gy1(+eoufwjct0kj7sses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is requiredbu1j +ysk70fq(jzte,1 .g cow?

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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 wears gq4(b abe cg(3jlassesj bqe3(4gbc a( 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 e:gk 4b(hp+z;qz/fnp 10 cm. A person has a near point of 25 cm. Whab :gnq;f(zpp+h z/k e4t 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 of 10 cm. A person has a n559 tjozexry;ear point of 25 cm. What is the m ;zj95e5yxotr agnification 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 lej :v) bio7pje+*f xfdt6o ca/.ngth of 7.0 cm. What is the magnification if the image is vief:/6. xajifev)+ 7* pbtdojcowed 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 magnifyqfjrsd7yjjvt k v26jf( u/557 ing glass. What is the maximum possible mjd5 ku/tjv6 fsv 2 qrj57y(fj7agnification?

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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 als830hex i3h: fd0nzo magnifying glass. Wha h 0ls8h o:z33nxidf0et is the magnification 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, 8.0 cm, z4xplz h skqzm4)s b48r(ljk g4zp(0z4:,auw and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximumzxsj4pzlz z0pw g brau4(zmls44:)4(k hk8,q 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 ku tmne0sraa1 jm t6/,b:-6nc2.0 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 telescope cmjar/t, umknn-bt 6016a: es?

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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 eyepieco 0 byr4/g/kztelp8k 5e has a foc0tz//r 4b5e kl k8gopyal 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 mag 4b d1w +cq8kvyi4dey9nification of 10. If the telescope has a converging lens of focal length 50 cm, what iskdid ew +b9 ycvq41y48 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 om/m- +qub: qf6pg0dfastronomical telescope with a magnification of 10. If the telescope has a converging lens of qogff pm/+udq 6m-:b0 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 19y6o e gw8rl6hr;oo/i s2uou 20X telescope. If the telescope is limited to a length of 20 cm, what is the appiowo r; u29s6ouolg6r/28he yroximate 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 objcg14 s;e6vlzgqib4 0cective lens of focal 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 lensesz0q4eg6cil;s cv 14gb ?

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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 bqwzd c*0w(,r 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5rdbcwz*w0(q, 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 antez,s:ss 4qbuy6.,j i objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the s4bqj,: su.6yiz se,ttwo 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 objectfin) fr9;cl(mq qm fu+sm-z(2ive with a focal length of 8.0 mm. What is the9fr(fqfmzl s-2mnm+ucq i(; ) 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 separation of 10- /yce d)wp(a49w,yc*fkqhmi,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 two s cw)(wy /qh,,ckdaeip*9 y m4ftars?

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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 apa +obc - 0*xibi+adgbj9rt. If the focal length of the objective is 4.0 cm and +bx0a + j*od-biig9c bthe 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 4 vj 7xj5., lbjc0 :xploiyef,fxs- x7mm as the illumination is increased. By whatpec j - f jsl,yjx7l0vfx xo.4i5:,7xb 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 Telescope has been placed into Earth rs.0mnlc z /b.orbit by the space shuttle. What angular reso0bns.rmz .c /llution could this telescope achieve if the wavelength is 500 nm?

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