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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 sh, 6pn9zx wge6putter is open and the film is exposed in a camera is detpg 6ez6 xp,wn9ermined 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 thm:u sa(2fn -oze 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 sliding t aep7;bv9; dlche lens forward 9p;acel bv;d 7or 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 otoxz8+6 bs)aq f view that corresponds approximately to that of normal vision is referr +q )8bxaozst6ed 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 lis6hnz+m u,7.wzic1 r2 ty*uvt ke a telescope 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 wujcpmqqv0j/,r.:jpd)9 vp- pider field of view than that of the eye and through which objects appear smaller is rjcp, -rqjpjm).v9u:qp dpv / 0eferred 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 skhpm2.- g: 8e xnuo4mthe 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 ,0 wf) z)yl) gjblzisz7kls4)tion 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)agm; j9vi /,z,rjaet 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 sex vp.+a f*ry2cm (0nvpe 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 back, the person is likely tou tw g/-0 1q1k3ecvtqm suffer fgt0 km3qe/ v1qu- cwt1rom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can us9x r9;i).wmueo yn+eib c92 iqually 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 to fa: r9 0lwkdh;; -igv-:2z8ndwqrof wo long from front to back, this gives rise to a vision defect that can be c f:qi ;wo w8gd 2kh:z9rlwr-;a-nvd0forrected 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 person is likely toc(b1p dkl 00zzuz 9y-r suffel9c r0z1u k(p ybzd-0zr 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 kay02fd9ky) :rfr g .wbe 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 lddafp zl v -9x q/umv4fd:l9)b(xb2 7short from front to back, this gives rise to a vision defect that can be corrected by (lxl da 9fmbvdv24p7x/b qlfu-:9d)z 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 adbnqw(wkml-c9 e g/12 magnifying 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 in38 ;;wq; jil(qq9vhz -ofl vde an astronomical telescopvl3 qv;eid;- jz h89(w;foqqle 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 be*bdqdv,sdi k(. 5 3e qhvw,vxbh) r*1y a refracting telescope. Suppose an opaque screen is placed in front ovebhsi*.h q* edwvddq)rvk b5 ,(x31,f 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 l-74lc p+kexn y)imif//cy8f 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 lensl)/c 8mcfpie f/y7 klin4+xy - 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 )mvdec7sda(zptj 4+h7y, l s)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 yozm;e*2+ vrbejb0fh z,u expect to be able to see the greatest detail when using a microscopev +zeb*rz 2ejb; fmh,0?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fro3ywfgxoo:xe+o , tp1 jg(6d*1qed( lzm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro;9l*f0 c,wjcfe yioh4m

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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 microsc+huo :no.yr6c ope refers 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 td 8v;(/0onn4y* ,nlm yfvlftro its resolving power dv nof/vm(yfr 8ly*, 04n;lt nassuming 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 (in diopterxod 1+a7au8/v y)eh kts) will allow this p/+1vxk8)y aote ha7u derson 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 clearly objects more than 70.0 cm away. What powe )6z hdnu:j9,yq- -kwrxz/tjmr of lens should be prescribed if the glass is to be worn)x,j :dmkn-t wu6j9zzq/h y- r 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 lenww h2c17b wy, om.(2y -vuviikses have power of -0.15 D. What is the person's far point iyhuw k v. ,(2vo2cwm i-71wybif 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 farsightedness where the uncorrected d*3mmi n1biu6uk 8m851zfe wqa6v6o wneaa 3nkui 6we8v8i1bmuwfm1 od566m*qzr 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 ,9 ot-yza;cascm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is req; ,c9 tyo-saazuired?

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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 far +jrb9w3xv): g xi5from his eyes, if he wears glasses3r+vb 5x jrix9:w gf)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 10 cm. A person has a near j*6g7 w;-nukw loit7bpoint of 25 cm. What is7gw*lbt;6iuwk7o - jn 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 1.r g7 f)fknerz;a*hy.7 *kb wm9zf e0e0 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 n ) 7*w;fzekz mnk9g.fh yra.r*0feeb 7ear 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 magnificati09 pzl0 jh (lwe, k4oki c8akovw27;bjon if the image is viewed jkib89cka ohlw (le w0vj z,o;k0472 pby 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 conve.,bu5nfr apz oko i68(rging lens of focal length 5.0 cm as a magnifying glass. What8.f,k( 6azbirpoun o5 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 converg3;ifp /wchp e;8jjbw8 ing lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxew;8 pcpjhbf iw38;j/ ed?

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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 c3v r-aku;p2pgem:vs 72b1etb3q4 nox8q1 l npm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you couldq2p4x p ;l 8bq73mn:uk1 b- neavgp3tsro1e2 v 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 cm, 8.0 cm, and 16 c:z(qc ppt ,jcoznlx),r lt)icmm386 )m. If you were to use any two of these lenses to build a telescope, what is the lens separa (m )cipjn:qp)m8l r3)z,tozlc,x c6ttion 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 a focal length of 200 cm fa yy9jo,jbfn-- pn- )and its eyepiece has a focalb ayp,o-)j-nyjf 9-nf 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 magnifica2 zvo5qen2my; gz0kk 0tion of 10. If the telescope has a converging 5zkyk0;qonm0 vze 22g 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 telescope wit/ 7.f dka eonvofbfl b8*b;z(;h a magnification of 10. If the telescope has a co;nave d*(b .fbfo8fbkzol7/ ;nverging lens of 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 10X telescope. If the telescope ij jm7v;hl7 2kcs limited to a length of 20 cm, whatlvjmk2 c;7hj7 is 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 lehj*v uigusz(p3z6 ts2 ih rp3y/5qz 0-ns 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/- gzsp3z3(6h* 0ijziu tvp yh5u2qsr 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 eyepiece5 ea)27d(w p c gb*qdr+m npsfi8-es(h of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is th(d5*e d+h)npq f gweci s8msp-(27arbe 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 wi0sw u4sk)h z+ g.1k8sctp,qgyth a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total ma 1g4s, 0zg 8qp .c+wyshtuk)skgnification?

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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(z)3zsp7yy6xk1i1i w1tg. xz( edx vg an objective with a focal length of 8.0 mm. What is the foc7zk11sity xe(g 6 yg1dv). xxwzi(p3zal 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 separatiai9xjemt 4h 5*:bez:k on of 10-5 rad. If the wavelength of the li: * :ab kemhtz9i4e5jxght from the system 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 are 0.010 mm apa :tdr n92kndz2 )gngyhtb:;5b+ /ioiwrt. If the focal length of the objective is 4.0 cm and the w/nz;2n in)r: t2og :9bi hwd+ gt5ybkdavelength 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 diamet6vjixj k- 8 urm+:g(geer of 3.5 mm to 1.5 mm as the illumination is increased. By what factor doeij (u mj6ggek-8v+xr:s 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 Sphs:)ab- l :qdvs.6v zxace Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve islz:: q.-6ahxbdv)vs f the wavelength is 500 nm?

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