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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: 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 expos,7n juz y2 ,)k+kpf vu,kjys0jed in a camera is determined by thevu+nu)k,ks jp0j2,,zkj yy 7f

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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 fy) pmrq h3z+:*u2 ebffilm 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 camerare af*;vw ad.( the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera ;*wdaf(. rveahousing. 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 corresponds7-l qmemgunv,bt 1f,d2 of2b3p8de .v approximately to that of normal visi pmbqu73d omnf1t,2le -.v fgb ed82v,on 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 liky akr4pb17fqj3g1g y;e 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 wider fielr xany-l r()l:d of view than that of the eye and through which obylrl ( ):rn-axjects 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 from the human eye8(poo8hlu5 5lpd; zuu?

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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 nl8nxv3t-m54;7 uhvg u)pub pthe

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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 f ufzg:x 6))7ve- mqcfobjects 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 clecfk- lf8p av+ e+ao1oyhqew,pc( 0 /g3arly 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, yiq4h -pebmq,-) ssa ,the person is likely to sufferasq,qims4p,- ybhe- ) 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 cojcncb.z,bg 7) rrected 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 isq.d jfk1wk -j 2vsdi:- too long from front to back, this gives rise to a vision -1wq dkjkij.sv - 2f:ddefect 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 short from front to back, thenvt q8cl;: d;b person is likely to suffert;q v8n:d lb;c 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 cll1x*t- qw ug(orrected 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 tod u 4p.w+s 6 xiem/aopkyy--5y back, this gives rise to a vision defect that cswuk 5pyxy4-po +6 ye m-a./dian 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 /e3g60mc9o gzrg; ffr3hpi 5ma 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 fw mrb o)4p;(pfor using a very large diameter objective in an astronomical tew;oppm)r (4 fblescope 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 for,9u1ryzbx8q v9kq )rqmed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this have?bqv91u 8qz)kx,ryr9q

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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 visibu8a7p8vt2fa ef(alb1r+ dy 3x(q d7 qqle spectrum, in which of the following cases would you be able to best distinguish betweefpd a27xld v+ 8t1a3fya(7q ubq8 qr(en 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 reb l4h:g0.f:zcks4 )ah hj* za 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 (sh:i s4n0j adyou expect to be able to see the greatest detail when usin i4 ajh0d:s(nsg 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 suffi,kftedf ad8*9vs*,b er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufpwju wok)bpb90 2ro)+fer 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 xx5r0lsiq (dkha6u 9 (of a microscope 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 ivwsfw2,w)pq e t0 w d4 aqg-8q(+6oswdoubled, what happens to its resolving power assuming that all other f(wq do gqw i p,e84s) 2svwtwa0-6wq+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 diopters) wof2img7k 0z*rcd +d y2ill allow this person to see distant ob2i+ oc072yddr kmf*gzjects 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 c +h;08,sx vvluq,svw dm away. What power of lens uw +vd sh08l,vqxs;v,should be prescribed 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 person3.m6 7k0p8zt9sxbdpny ibk w( wears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses ap8p0n6xzbyi(m3 s9dwbk t7k. re 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 farsir b4pfq1k im/.atj +d h9x6 cs.boa/q(ghtedness where the uncorrected neara qb9apm1j/6fi /(s .o4ck.+x qdtbh r 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 r7c-im2c4*bhdqs nj1jjuv 4x.kzl.8qf fw)5 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a )lw7u4ix4hm*5zbj cr -ck dvj1.f qsn.qj 8f 2distance 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, i k- 0kvis8-v/zgdbrr0hi*c , bf he wears gla dks irv8g0-bbi,z h/* c-krv0sses 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 poin6r8a2i alqz0w t of 25 cm.iw2al aq80 6zr 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 focal length of 10 cm. A person has a near poin 9u3nhq *b+e-3gi gqget of 25 cm. What is the magnification of the l qi93 b eq*g3ggn+he-uens 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, ryyx**susn: focal length of 7.0 cm. What is the magnification if the image is viewed by a relaxed ey:* ,x*suryys ne?

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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 lef *uby vf4 7kqczk81)yns of focal length 5.0 cm as a magnifying glass. What is78 ukck f4*)z1qyfv by 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 5mpo;c6:kkkzu3 m 4p. dmpe2(1z :boee.0 cm as a magnifying glass. What i bzez ke 6:e(mkm4 p.31m:;2pkopcduos 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, j6 ii,88go zlb4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a t 8oilg,i z68bjelescope, 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 fnrxh p1mg wynlt1pw/u ;34*n*ocal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build 411xy n*unp w ;prghw3/*lntm 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 a focal 8drm o2e 7dkk6length of 200 cm and its eyepiece has a for8e7 d kkmo2d6cal 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 astqf2w6,3wqy q9o8oy nmronomical telescope with a magnification of 10. If the telescope has a converging lens of focal lengt,fon83qmqwo2wy6y q 9 h 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 magnificati)k9w/b .z;pfdc jmy: 31swze:pb-t gwon of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescope ) sg -:ktz;1wbwm9 .y:wzd bf3pp/cje?

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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 q and/ fg6z9g7+lgql 2mq3nq :is limited to a length of 20 cm, what is the approximat9m76fgg q adg+qq ln3:l2nzq/ e 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 pnk c(bfsh0eee ,fv. /p4e/4jlens 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 fre , /ce0ksj(bn44v/ hfef .ppeom 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 objecta/vt/7re;oq p6uqm5p /dkkb(ive 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. What is the overall mag/oapme7/k(d;vt r65k q/ pqbu nification?

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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 focal length o (txhqg1x1d6n f 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0nt(1 qhdxg1 6x 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 barrelf:uo.j 3kph;l and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 240 f j3l.kh;pu:o?

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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-xil3d9+ oy 2je5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (di +92xodeij 3ylameter) 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. zmp 1u9t5lf0 9mpbbr+1v;talIf the focal+ puz a1rtmf pblb9m 9;t50vl1 length of the objective is 4.0 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* b-y+x)nvjdq,o;y: yum u(vv changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the bdj:yu* y,(v x)uvo ;q-vny+ mminimum 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 orbit by .q4d t (uj7 ztkatecsxrr-)j463f-qdthe space shuttle. What angular resolution could this tele74e r-d4d ts(tztfcj- qjr)ak 6 .3xuqscope achieve if the wavelength is 500 nm?

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