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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 op v ervn;h:2g7qen and the film is exposed in a camera is determine:qh7g r;v nv2ed 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 thel19xpd jcj) n2a3s x+jw7 irz, 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 xi: hkv/mjw9sk )se*0m(gi+uthe s9mixuwikke v+/)h 0j:g*ms( lens forward or 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 of view tha5 x 2,bea+mc,hpk zsh*t corresponds approximately to that of normal vise*,s zm,5 ckb2p+hxha ion 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 telescope to magnify p;a b kw2gos) 1:tfse2br1)skimages 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 thc8/vmjhab:y43)nyan e eye and through which ob:mbn)avhc 4/ ynjya38 jects 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 wayf n27nkre n/a)s 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 ligco1pa.e,z vbjjh*z(q r: wm 0s+,hsl,ht 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 jgvmqmg j.pf qv 71jr.6:tl*4 which 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 see objects clearly is eu prk,vcd;ch1k9fd- ;c ,7tu

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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, th(n18f xhs ,c+i6d kccte person is likely to suf sncc 1t8 dc,k6xi+(fhfer 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 correctedcu 8lu.j 9*ouv 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 gives rise torj5r)9zo d4dx a vision defect that can br d r5dx)4o9zje 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, the ay x g4;mr28.ig 7ubwaperson is likely to suffer frow 4g. ma;72yub8r aixgm

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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 correctedb82s 7thpr;7hidb8 vv 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 fromk*w )a8anwa2 ef+hi5z front to back, this gives rise to a vision de5f e2ahz*w iwa8ak+) nfect 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 magnifying b 1/w2lt )uyyiglass?

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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 astronom3ia,)rlq -yi0 k;(g9bezmy owical telesc- ;9w rkzm( ba30oe)iqlg,yiy 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 formed by a refractic .7+dggva9e dng telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What97cd d. avegg+ 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 uniformgk+df 0re ;.m 9jch)hq 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 lens of the tej ce+h 0 )d.;hqfmg9rklescope used.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescoy 649qnvno z;mpe has 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 able to see the greatest de,gz1tx+ndg+ gtail when using ad+g xn1g ,+zgt microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromwo c89b6q bbmh2 z:vnk5ymp87

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fe hzc/xd.h1mmv )ecl3 (2l cw,rom

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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 microscopegnkv *e /5r le.uu:jw;lc 1;oa 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 to its resolving ps raqao++jx 9)ower assuming that all other factors remain unchao r+aq+j9s)x anged? 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 poin1h-d j*iembnle 1d-l s7t dnd8p;qf1:t of 18 cm. What lens (in diopters) will allow this person j18dd-1 7bdlhmet-f nqe 1s:di*p n;lto 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 powerptd q wv 6)xvw6sa1-7d of lens should be prescribed if the gl sqaw) 7d -6w61tvpxdvass 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 power of -0.15 D. What ik+b/ ews7gmeup0 gvs;qmush.sqs2 v*24y/ i9 s the person's far point if the gla0bs. 2 sq;qiv4sk+mh*w7spumu gy/e/gv9e2s sses 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 hq.+rv1 bkbr3 uncorrected near point iv3r+b.1kqhbr s 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 farsqbkl8an-+b8 fulnz)n2 )o/p c ag5ka5ighted person is 100 cm. She places reading glasses close to her gk bc f/-a ) qa)ulbp8n52l 8az5onnk+eyes, and with them she can 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 rcecin 1/- jr5kead a newspaper held 25 cm from his eyes, if he wears glasses of1kn/ icj5-ecr
+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 pertb(d3 ty h2x+glqe+1u;bx.g;sa rw9y u b7r.bson has a near point of 25 cm. What is the magnification obh( 1ts7w+ q 9 y3uugb .t yl;r;d2rbg+ebx.axf 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 arzkx* e+ vtb5gjb)ceevx2r+ 83(pl*c focal 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 f )j 2pkeb5ecz**cvgler+3 (xt+8xb rv ocused 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 is the magnicbj5fud97)on1l1s py fication if the image is vnyo59)1p l1b ucdsjf7 iewed 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 cm asxj3mzh zq+x2/ a magnifying glass. What is the maximum possible magnificat+xz /zx3 hqmj2ion?

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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 uc ,6bps7vjs: of focal length 5.0 cm as a magnifying glass. What u,7jpsc: bvs6 is 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, 4.0 cm, 8.0 cm, and 16h)e4tdsb wfyc-k3s, /:zrm s).0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you cos) cbzh tw:m3kd)/,4 yssfe- ruld 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 zo0o1 .g uqfk0;f+rdal v7leq 52 vms(cm, 8.0 cm, and 16 cm. If you were to use o( 15z sfrqu7lveom;q.g2l0 0+akvfdany 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 hasjoj9r49yi(wn51t fh)1 i onvm a focal length of 200 cm and its eyepiece has a focao f5n9r i4)j i tm9yv(1wj1hnol 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 withaedqz0 -, avbd i:4+ba a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the fo+0da,-azqb: edv 4i abcal 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 telescopef,q4 -z8t denkvo1f:x3mkyq 3 with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resut,4 ym1:of-kqnf3 3kex 8zqvdlting 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 10zf*a aez/h4/n/e qn5s X telescope. If the telescope is limited to a length of 20 cm, what is the approx//z/aensanz4 qe5fh*imate 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 od6. i)8q dn4ynt7 plg sie+ dk-*2(6shhoga qibjective 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. How far apart are the gpgd6sqi e6q8 7hy2)d os4+ laint*-(din .hklenses?

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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 eyepiece of fj6g9i a6vd g+nocal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the object6+g nda9igv6jive. 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 objectig0 imu e,,gs--lv4 yakve with 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 ml avs-g4 -k,,gyui0emagnification?

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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 a1c h3/bg rzcdf 1v/w3b0fths( focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 24 (0gh1 3cdbtz h/cw3fv sb/fr10?

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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 y2ow-8vr xt 4fin the constellation Orion has an angular separation of 10-y8o f4x wt2vr-5 rad. If the wavelength of the light 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 restv(j+87gc y r6ischi9g /v0b volve objects which 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 objectivvj(8ti0 9gvi+/g s vc cb7hr6ye?

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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 dibm08qba665 ue+tspf zudpm a+/2e9d c ameter of 3.5 mm to 1.5 mm as the illumination is increased. Bystbm+up 6bfda69d+a8/cuq zpem e025 what factor 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 Telescope hd+7 ,q ffuk;s;dbvj :t* f9i,uuxqii6 as been placed into Earth orbit by the space shuttle. W , q7ibudfiftf qsu9j, d6v ku;i:+;*xhat angular resolution could this telescope achieve if the wavelength is 500 nm?

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