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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 shutter is open and the film is exposed in;vo iyh;1eehr.h*)fhi+ m (c k a camera is determined . cehimk+1)orhy hv*hf; e(;iby 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 film in a camera is determinex6okir.49 z2yn-teh 9q yz-7f ,y8)oubqcjbvd 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 le1anw9s z t7b4ens-film distance may be varied by sliding the lens forward or backward with re47sw9bta1 nz espect 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 viex:hf uvfm74j - nyopg+8nxc9 k-d i+i.w that corresponds approximately to that of normal vision is referred tof jy vxgdmik-h8c .o+xn if-49+nu:7p 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 tjndw / vjk6e2*vae.w /o 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 of the6nxo de 9f+ gkoh9. 4;lm1aiwz eye and through which o h6f;.dl4 a w9mz +o1xgekoni9bjects 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 th35mb j yh-rak;e 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 occurs a( k2zj*/njefxfp4 9gz t 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 p u0wn )5k)rks,ba8dg3(shnisee 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 t)f,0mo y2 4td6fus(eq fp*e veye can see 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, w9 ksc3ev.th5 the person is likely to suf3v 5wc9h sket.fer 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 correctef; c+:k 4ezr i,tvbcx7d 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,)n mwrumoxf(rfull:e7 73t9 ja7(f6y this gives rise to a vision defect tho(t9 mnrlju7wef7() 7lr m6:xyua 3f fat 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 ba pzwwmgd*;p2l:. 3i q0g8hinqck, the person is likely to suffer fr*m8 nwlipgdg3q .wi:ph qz;20om

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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 withi -kl9u .zl6tp

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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-blt/jn1)wb5q+ tf ah too short from front to back, this gives rise to a vision defect that can be +t1h lt /-b jfb)5awqncorrected 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 magniu gl3cgmv udjjhku5.57j )*/vfying 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 i qz6*o42pnb+rnrq3 ha n an astronomical telesc2bhnqp ar4+6q o3r zn*ope 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 formbc o p*k5t:xdn :kj6+ned by a refracting telescope. Suppose an opaque screen int: jkx+dk6 *pbn o5c:s 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 th56daf nhnq,s wb s/n-7roughout 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 7fns56 -nw sda/b,hqnis 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 magnifpo-dgr w.dtuj/ 2il .mr7o +p3ication $m$. 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 able to see the g(derzii/f8v / reatest detail when us efi8dz/ri(/ ving 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+xmsy 4. 7j8ij7covn3 vixis/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 zuv 1//ya dj6gfrom

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power otz - veejm4g,8f 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 doubled, what happsv *apror296 oor 63mpens to its resolving power assuming that all otheo s orr63*aop2mv6rp9r 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 k8/c t3(4khdxgaozm5 ) will allow this person to se /m 8kkcxhat3 5d(z4goe 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 objecrl (tgw/ s6-ll krq((y lj(x8fts more than 70.0 cm away. What power of lens should be prescribed if the glass is t(sk tjgr (8ll((rqy-lx6fl /w o 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 power of -0.15 D. Wbsixf t5;d1k5j9cb s qgj *w*h2y/i ;ahat is the person's far point if the glasses k jb; 5/9*x af12hiis;tjg*cqb 5d syware 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 , fs7inl2c(6vbbtlmed29tz0 for farsightedness where the uncorrected near point is 75 cm?bei2n0 z(2dc67 t llv fmbs,9t

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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 gl 8wkvs (szuckcc0 :t1sqid4))asses close to her eyes, and with them she can k:4 1ss0(i uwz8sc)v ckdtq)c comfortably read a 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 newspaper held pn+ u45w/l z kct4hrv81n pep,2pk+og25 cm from his eyes, if he wears glasses lt5pkro8,p1 zhv n+244ucw/ +kpnepgof
+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 /yl)x; slw)pty;t9cv 2t qa+w a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infin/a; y lp)w)xttw+2v9lqyts; city?

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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(3.r nqdva .ha 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for thhrvqda na(.. 3at 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 length of 7.0 cm.d 9q9/t.yzey d What is the magnification if theyde9. qtyzd/9 image is viewed 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 cmm b5l(t ,g p,9cfu-yxbfot1i/ as a magnifying glass. Wh tptcgflo x, ,m1b5ui-f 9b/(yat 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 converging lens of focal length 5.0 cm ast: mhfz1 tsi48s0.rma a magnifying glass. What is the magnt1msaim .8rz stfh:40 ification 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, 8.0qn,uk/q7 a89y9wj*4ymhd p lc 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 cn78lmd4qw* q99j, huy p/yckaould 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, 8b6qt.. :kzrxbgt q78p.0 cm, and 16 cm. If you were to use any two of the:6.qq8txk.pr zb g7bt se 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 a focal length of 200 cm and its eyepiece has a*s wdqegy8)k xu*mg6g/jm( -ps xykr1tz-8 k) focal length /)(my - gktk1 ds8-ur6xpqzgs8kxm**e jgy)wof
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 magnificatiohw5vt*lr a4j*6p 6aycdg*oo1 n of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lengo4gjaa 1cwp * 5h6*6ty o*drvlth 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 ztj7(c 6d-aoo1ziqe)(xh rv* of 10. If the telescopez6oo(cva-7*t i )d(z exqrj1h has a converging 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 is limited to ac8qgu76l2f n ghv+ht4 y7 4kc,gu5pjd length of 20 cm, what is the approximate fon7 ccl+u4gdh 847,gq5g26uhpft vkjycal 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 obi)d6 4k8oz po5pxh /o+t4qf3kg0k u ogjective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sapt du 6 0hg k)g3ipqozk+ k8fo54oxo4/mple 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 1.4oujt+:z. fkde y-:v:e mm and an eyepiece of focal length 20 mm, adjusted .:vfd e zou -t::ekyj+for minimum eyestrain. A blood sample is placed 1.5 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 objective with a focal length of 3.00 mmrp4ya 2 8dc 4.,sbi0smg2ipzcna -yh/ and an eyepieceir0zc 2p csbman sp.8 g hd24a-iy,/y4 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 lengtzl767u jlkl +kh of 8.0 mm. What is the focal length of the eyepiece to give a total magnification ofllj7+7z kluk 6 240?

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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 separatjt 9rhgjg6g v3-6pj2d ion of 10-5 rad. If the wavelength of the light frohgpjj 6vg9 -3td62gjrm the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve the two stars?

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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 arv8ecq2 )ifj./jzxt0moo2e )ie 0.010 mm apart. If the focal length o2.t8iie vfxce2j q)zj0)oom / f 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 changes from a diameter of 3.5 mm to 1.5-2ava0*ba kb j mm as the illumination is increased. By what factor does the minaa*kvab jb 20-imum 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 bepy+s:w)5v ntz)j*i0zxusz9r 2 7 jncfo*jg 0ken placed into Earth orbit by the z 9oszcwv *+0f5*njti7gn:uprjx2jzs)) yk0 space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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