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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 exn1 8 l9n; 5rirdh cl40bn1tpstposed in a camera is deteh ;nt1pr5sldb18l0 nn4 tcr9irmined 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 the filmfuslowab)7dg-c ( j5 d9 8g vr:-ng3wu 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 b x q;:-k(cghx+y2 rwnf+qle1iy sliding the lens forward or backward:cwfx;kr- y1 x qg eq+l(+i2nh 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 withty. k9s-fqnt .e9 k/jy*bi+p j a field of view that corresponds approximately to that of normal vision is referred to as .*k sn9/. epq-ybk ty f+9jtija

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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 images is referred to mxggmx g11jmwn/ u0 +,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 fil*4pq9s7 lg4yz- epq tom with a wider field of view than that of the eye and through which objects appear smaller is ref4zep stlyp o-7*gq94qerred 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 huma,*w 6gnxxsw :a w:df/xn 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 tha 6x yom/c0*agavlj v/l d59b3e 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 seek m j3tlx67 sj91cika3ngt08 v 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 clearly iiaziq/+,9pp 2e(do(du9hg yp s

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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 frontgop n4om: k0f. to back, the person is likely to suffok:mnp4 .g0 ofer 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 corrected pv*-. qixdj xi3xt9byitu* ;,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 givewzh1s0v5nw ,. 3 is8pv 5ultj6yglk6e s rise to a vision defect that can be correcteyj.8 ht1ullw5i65,vp nge6s0 3swvzk d 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 t(.cbsr2 /urylw * *zre cs/3wioo short from front to back, the person is likely to suffer f /erl*c(*s/zbwrusc3 yr.2iwrom

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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 s 7-s 9x,uukgytz-:lg 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 xos 8uk,s7xnidg 8q)/n.fms9is too short from front to back, this gives rise to a vision.sm /7,xf9k ns8qxsu)n iodg8 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 maq5xw1 8sae;1e uf k* lpha2p2+ bpr.gpgnifying 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 astx ,ybw7uk,4tvdv 21yt ronomical telescope isw 4vk17 d2,,tuyyvbtx

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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 byfyi;m/ 3:rdke a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the obrdefi/ ky3:m;jective 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 o 0yxeug6b54msensitivity throughout the visible spectrum, in which of tho myg4b5 6ux0ee following 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 magnificationlgd1ymk 9d/(- zuznu- $m$. 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 yv t;e .e+cmwmd3+f.tto be able to see the greatest detail when; 3+d..wtyctem+ fmv e 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 sufuq67v6.,lt7bjv ysz3m9gvi d fer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer4tw+;7lx- tav .w3gigmk f l7e 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 the abi0yc z 7s4d0wd:-cunceg; 9n9x:klgb v lity 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 aff)5;eb g)ignpa,c/ p5bl(dv radar dish is doubled, what happens to its resolving power assuming that all other factors remain unccv)5afdp)g(n/gip5; b eb , lfhanged? 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 fa mol2kgv w 6 2phu94s/y,zla or03mbo1r point of 18 cm. What lens (in diopters) will allow this person 3ha02/ mollo6 ogs zu29wr14kvymp,bto 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 clearly objknu ,c6x6a6 jsects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front ,nk 6ac 6u6jxsof 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 glk)t /jb /q3x0pw1a5ia5bx zo slt0f. xasses whose lenses have power of -0.15 D. What is the person's faflaw5t pkx0 s/0 3jxob qxa/ )5z1.tbir point if the glasses 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 farsi,n4x,/agpvwg 5b;i y2/ hwliz) g,zm sghtedness where the uncorrected neavb mlzi5 gh2 agin4pgs,w;//,)xzw,yr 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 100 cm. She places reading gdoczx,ra9c a9* mg;)vlasses close to her eyes, and with them she can comfortably read gd zr ,cc9;oxm aa9*)va newspaper 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 hk c6 xpyzr6/*newspaper held 25 cm from his eyes, if he wears gc6phr*/k xy 6zlasses 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 foc4;po ()zjk)g2u:mhm gn4,h n +szbnazal length of 10 cm. A person has a near point of 25 c+su :(4;2hz nkpjz,znbnmho4 ))gg mam. What 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 r9qnstfb.hz;ocvlx 39+ b5* vyt x9(sfocal 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 foc ;95qsov.l*9syhxn (tvb xt3c+z9r bfused 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 7a ov/sg2l )rjpk/s idx5g,- xa focal length of 7.0 cm. What is the magnification if the image is viewed by a rel jva)s /x/s-gx7d5, pk2rogilaxed 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 l0h- b ,lxl *jdemz-3vsength 5.0 cm as a magnifying glass. What is the maximum possi-sbdmh-x3*v,l jez l 0ble 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 magnifyin ;i vv:jsa x9;osne8-gg glass. What is the magnification if the perso ;nsv-s:jixao v9;8gen'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.brcrug0 le e5 (d*.3zb0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maxg*0r (cube3b5erl d z.imum 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 2.0sjdao2qllyy 2. 04i(hijp8w 59w tfz 68k0obn cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any8qoatlwp6ih b n49 k0wdj2y 0l. 8fi52 zyj(os 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 has ar n)/0ofz5rdx focal length of 200 cm and its eyepiece has a focal lzfd0nr/r)5 ox ength 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 magnxp+tm o7; 6agnification of 10. If the telescope has a converging lens of focal length 50 cm,;mn a6o gxp7t+ 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 of 102r)6v3kk e yjkhorei. t,t7fb;+nb d3. If the telescope has a converging lens of focal length 50 cm, what d h;iyoevf7k,ktbr 3n.r e+bj6 )k3t2is 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 telescoj.b3e 0s kr;mepe is limited to a length of 20 cm, what is the appr.0 e; ejkmr3sboximate 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 lf84 om)oxb1ec* n7kn xength 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sampx)k bnfo*mn841e7 cxole 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 focoz9rl- 6v gza+al 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 obj 6lvgr9oz+z -aective. 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 microscopkbmq-ulg40o2 x,i /yn e has an objective with a focal length of 3.00 mm and an eyepiece kx0- ,nib 24ugly/mqo of focal length 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 objective with a focal lenv s3g(6hk..5vadyfxgs)j (xg gth of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 240?35xdgfg.gvx ks. (6j(vhsay )

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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 constellati eufij.8(,-ca hauu jev+;q)gon 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 apertua. fq(ueaijegc+h- ;vj,u8) ure (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 resolz.c ioc,4kb/(nue uu.0j dds) ve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelengtcndc djuzus .,(0u.bi/4e)ok h 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 zfa 9h :w (diatt3+ rk: 5pn-9slaq9srmm to 1.5 mm as the illumination is increased. By what factor does the minil9t 5dtqzsk+3arnp-rs:a9a w h (i9:fmum 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 Spac8y4lc: 2zboex e Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if to clzy ex428:bhe wavelength is 500 nm?

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