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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 opemdo+ qu yw 6f)mke2ikyb.wqj+a/:x ;0 i5yi+zn and the film is exposed in a camera is determinyy+wiu5/0z jqbm;dm 6+ :2iw x.q)iya kk+feoed 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 reachi1pe nz3;0rfoang 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 cameizm oi0 j;,fao+;tk0 hra the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means thao;;, oaz 0t0fmi jh+ikt

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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 d. nn36ekmb bwu)d5tck28;e d a field of view that corresponds approximately to that of n3w8kek n;b5) d. c mb2und6edtormal 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 teles wm1gsr,o:ypg 6chiqh d9 u,((cope 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 covers the film with a wider field of view than that 3 f7kxw--mg yvof the eye and through which objects appear smaller is referred to asxf- mw-kv3g7y 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 wa: hcl3oja1fm.(i hxye,u0:d vys 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 ocbjltyq:- a cbv27*hlve5kbe;o/ 9ul ;ap:; d wcurs 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 islpnfo9 . /- wdu,soaz7

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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 seeyld-qj-,y-ahy7; 5ejnl:s gu 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 ,)tjyg)z, +cz;fctxkh4n/m z back, the person is likely to suffer froj,/)xzzc n)zkhc +4tgm ty;f,m

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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 correc1q oe:s7gwq wp5v q-.nxea1 :vted 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 f1 6 wazqtr9)p m0(cmltrom front to back, this gives rise to a vision def(1r9 t qp6 a)zmm0cwltect 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 sho5, 9hxq /hemcs5a;c6fyao n0grt from front to back, the person is likely to su6y oan9mchges5qc ha;0,5/ f xffer 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 corrected wrptjdg*, w ,zjw2h; 93wbi3jr ith

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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 v q.gl(,nyn-ss ision defect that can be correctnql,.sns y -g(ed 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 glass?h( evy,-i. kxg

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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 : ow0ken1;4zf .lbkhg fv.;hylarge diameter objective in an astronomical :h.e ;zl.wy okhfvn4k01;fbgtelescope 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 screen h 2iji,h0n1;c- 9xbf;qzn zck ih-k,nicf zhj1ixc;0 ;n9 q2 bzs placed in front 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 sensitivity throughout the visible spebag5 u-sne4j1bd1* syctrum, in which of the following cases would you be able to best distinguish between two closeu n s1sg*ba-e4b5djy1 ly 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 d +; 9lkms+mlr k5eix,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 abl+wickpkb*lc 6a/snxe :/v q6. e to see the greatest detail when using a micrbwk/c/sa 6 6pxlk +i.cv*q:e noscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frogkoia8z cm :/c/0yf/x m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro7zr*;u e8u xwc :akm p(eafn7os+o83hm

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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 the abili o fg0vc,xp)zk ))o:ybty 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 resolving t7x.oe0hdg) 3 s p+uirpower assu 7o)d3+0r xg.tu eisphming that all 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 point of 18 cm. What lens fw .)sxy g,w(,vncfn1lnc uzt4(/ 1 gx(in diopters) will allow this person to see distant o.uxf,c4((tfw/cg1,lx wynn sz )g1v n bjects 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 mc:2f.z w-hfuc ore than 70.0 cm away. What power of lens should be prescribed if the g :f-wzc hf2cu.lass 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 pobo xik,)47+rcm 9 ngz,v xw. m0vk1kdfwer of -0.15 D. What is the person's far point if the glasses are vdk .m b0z o9+ixcrg xk1,f)4,mv7vkwnery 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 correc7mo29 ur cdr5b xlp3fa(eda1/t for farsightedness where the uncorrected near point i1 (decdl 7rr2f xam93 5bauo/ps 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. vn(-ucmen3x0 She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distanxunm0-(c e 3nvce 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 2;9rsij7z9ii, amgafs, /p+c c5 cm from his eyes, if he wears glasses of s,rsc9aa7/j zcfi pig9i+m,;
+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 ne( lj9gr r2ixj+ar point of 25 cm. What is the magnification of+jlxirj2g 9 r( 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 haslt*q umk )0:mc+c.v km6kg1fy a focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that persog m*)kym tkc cu0.ql: 6f+1kmvn 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 kz ggjk7he- *. jd/sv5is the magnification if the image is viewed by a relaxed ey-es7v h. zkd* jjgk5/ge?

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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 magniflbyg e0,fajh(-t3m 4 rying glass. What is the maximum pojt flh3m,- 40gybrae(ssible 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 magnify 4hx elp/u-/kming glass. What is the magnification if the person's eu lh-/pke xm4/ye 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,y6bq6l-rc4.vk7 0ii d*a z.l hwrwi ,d 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is thd6 . a6-c ,i.r7i zvbw*kw0qllhi4ryde 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 8am, u22bcdabcm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any tw2,b8baudamc 2o 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 telesc: k8/4 ;igrg+k owqwwiope has a focal length of 200 cm and its eyepiece has a focal lengi4g qwo:gi+w /8;kkwrth 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 tele+pp/o e29 xlqz :vnc9tpd:,sfscope with a magnification of 10. If the tels p9 :fplq zoe2cpd/ ,v9nx+t:escope has a converging 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 astronomical teleso2lcm:8l:t ny l(2 :n awakcs7cope with a magnification of 10. If the telescope has a converging lens of focal leng 2 wnmts:o(:an: 7ckalc82yllth 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 telescopew7ew42 l ,,s0i pyv 5cmow3ivv,7 eenh. If the telescope is limited to a length of 20 cm, what is the approximate fi w0s3hei,wpv, vl,7e27 ov4 ecywmn5ocal 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 of fochw:;rkn8hb peg4sd g /:nh5s *sqm5,xal length 20 mm, adjusted for minimum eyestrain. A blood sq hnhsn 5; x5d k4,epghr:*m:b8/gsw 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 an u3pt;rqq(sd f9p2.a m eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1(9q st dq3f ma.;pur2p.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 obj( gifk+oill76)*:; nxjijywc ective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lens*ilw (cyjl ; )jn+g6ifxk:o7i es 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 fq1byp* l9eqzd8/; frwith a focal length of 8.0 mm. What is the focal length of the eyepiece to give a tqfp q8/l91*f dreby;zotal 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 tzfe7xlr2 0o-t5 1 kiaihe constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the syrit la 2i50ozx1k7ef -stem 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 is designed to resolve objects which 5 ni v*sgvw4l-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 of the objective* ns-i5w4 lgvv?

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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'+vj / e o91kvj4weo:ofs eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what jf+1j: 9v/e4we o vkoofactor 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 Telesco5m qqd;5+ :xwftowe+kpe has been placed into Earth orbit by the space shuttle. ftw;mqd+xq5oe5+ w: kWhat angular resolution could this telescope achieve if the wavelength is 500 nm?

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