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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: 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 x 09d 1q0glukqin a camera is determined by thdq 0 0xgukq91le

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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 determined by 48 .xo wntlddct 06.oothe

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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-fiog2 uz o k/jo.cwj-vr8 qux6481vbxf: lm distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera,vx voo8ujg2qczj-6bo r. /14: fuw x8k 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 corresponds approxiqqaqxgvc :pk;/-l+nt+ t fb1*c /+fwumately to that of gf: lcqckqb*; f/1xq+w-/+ apn + ttuvnormal vision 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 likeod( ygnvva8 u;3::hpvwf3z/sr8 ff+ b 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 wiv hh832axko l:der field of view than that of the eye and thh a3xkol:8v2hrough which objects 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 11 h1(4ioqprl zpmbz 4human 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 at52bx+ 3-icexmvw i r4d 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 see objects clearly ix py1/gq3a(rx ot+ ys.d4o:p os

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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 js, ylxgu6sl+nt v.+4ij /ew(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 persy3c9 4*n)zl ub)dygzaon is likely to suffcz)agz*39bl)y yd u n4er from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can ux lwx(m/r6mmrt m:3*ksually 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 too long u d-le:lohd z4bd-xf1,y58ljra b,. v from front to back, this gives rise to a vision defect that can be 4rvyl,jo -bxed5 lfua-,.81d zdlh:b 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 person is likely e6 c( +7euootv 7r+ql4u/u)8wyl dqoi to sufferwov(li7ro4 tu6c e 8luuyq oe7d/)q++ 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 corrb5dw8gzgl0pdih4(.vir td . 0ected 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 to back, this gives rise to a vinkcl79u k tg6q;+ deed i4n6*msion defect that can be correc e97cmkk6ti+4gn*6dqudnel ; ted 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 magnifyinga*f q8bs8ty 4d gj.d/x 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 objectid s-fl :j*deu0ve in an astronomical telj0eddsuf -*l:escope 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 refra(rwpc ,qqx9g )x j-5qmcting telescope. Suppose an opaque screen is (q cp- q xq5,jmwr9x)gplaced 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 throus34t*zaxdc hez (3tem,43wjz 0rgs7 jghout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lenjs0s*j3e (3dmgzez 44ct7, h t3wrzaxs 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 telescoe8dy*3jgtqk,r t +cz 7pe 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 efzd9yn;u;q 4wn dow+gy .ps 0/xpect to be able to see the greatest detail when using a m;+uzo. 4sn;d/fw wy9q gdypn0icroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer4 f.jmozy uds ;2 kt3jf8w)tc( 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 fr5,zby42dkvri j ((kr bom

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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 miczwaolvd/ q0s19e5 1 gdroscope 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 resolvingnh2s92zs 6fw uvdo.:bz hzw;k x+lc70 power assuming kf.zz:7 +lwh2 z w6hod;s 2uns0 bcxv9that 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 dioptqsscnvb 1q+(bb9m:g.h vz77 j ers) will allow thismznhb+q vjss(v1 bq7 :c9. 7gb person 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 awaymn3 o( ,g2f nagx:pzy(. What power of lens should be prescribed if the glass is to be worn 1.00 c ,zagxoyg: m( fn2p3n(m 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 whos5hdo7. mcnn p .aj8.speztg;- e lenses have power of -0.15 D. What is the person's far point i5 .pcg78zm naj ..hdsoet-p ;nf 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+bvk7l hb6r7m uncorrected near7b6+ 7khlr vbm 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 gl)e ghbcroz snie1c/n + c./ag8yri/55asses close to her eyes, and with them she can comfort+ se5r)hcgni5/8ncaiy ogrbe 1zc.//ably 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 hel6v8mes xl k swhc-6a(e51-r ahd 25 cm from his eyes, if he wears glassema1c6-x v6 5erhlk8-h( wae sss 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 ne)q)rdrc 6c0t- kwqf +zar point of 25 cm. What is the magnification of the lens for that person when their eyes are focused a6fd w-r qc+q)tc0zrk)t 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 point onf1 s9s fmp)jw/zm/x+ f 25 cm. What is the magnification of the lens for that person whsz/nwmfp m 1/fjs+ x9)en 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 of3sdjyikvd0me/v33 74nv3 iqz 7.0 cm. What is the magnification if thezqie3 v n37dd3k4i jym3/v0vs 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 cm as a magnifying glass.(6 n (s2yrf fg(enzh3b What is n z(fg326yrf besn h((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 as a magnifying glass.lt5.z/p ftnyn75ny: y*g jlmhu 8c8j, What is the magnification if the t h*y npmnfntc7 ,5 jlyu:ygl8 5jz8./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 16.0 r16t . 6ksyyjg1y vw ui.q26ancm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you cours2tw6va66 .i jyyky 11gqn.uld 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 focv ipz*0loq:s*c: a4vu3;nf kv+ y) sf2 5kpxkfal 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 a telescope, what is thc fp5vvf3:iskk;4z*p qns0*+kuf xly2 :)ovae 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 hst :i8hs 7-2t:(q z8 4pxajcwai3arkeas a focal length of 200 cm and its eyepiece has a focal lengthk e2qsr:4:i8ttj a ah-(p i7xsw3za8c 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 d,sb1g: h4os4mn0 uo wa magnification of 10. If the telescope has a converging lens of focal lens:n 1h d,w44boom g0sugth 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 magnification of 10. If w/q8ynah v2v,5gxj 4l the telescope has a converging lens of focal length 50 cm, what is the res 5/ g4 n,alvv2hyqjxw8ulting 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 designin,hb 2jhzy;i y)g a 10X telescope. If the telescope is limited to a length of 20 cm, w , jzh2ybiy;)hhat 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 lens of focal length 1.4 mm and an eyepiece of foc- ,z 0wkma+sltal length 20 mm, adjusted for minimum eyestrain. A blood wmt0-kl +,zsa sample 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 q3zv()uyr w,u focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is rw,vqzuu y()3placed 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 ha3 nsqzggh2:u*j*gnkm; /; euas an objective with a focal length of 3.00 mm and an eyepiece of focal lqhenz;kug /:ngmuaj* 3s;2*g ength 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 length 3cfk 9jxsr3vz zx207 l4h ksw1of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of x433fzvxw hr z712l0s skkc9j 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 Orio g3z7umz6dr zs8;-izjn has an angular separation of 10-5 rad. If the wavelendz-szuz8m jr; 73g6zigth 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 rewpw2h w xe4 j7i*2diqis9zo,+ solve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light uj7 w9 4od2s w,ipq+*zi2ehwi xsed 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 pfqtgv 7ip+),kx-ix 11.5 mm as the illumination is increased. By what factor doei p-xtfk1q, )pv +ixg7s the minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Spacef7 82lbgy8.1qa/g2uo s dyh qy s5c1lp Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope ach ylys1fg8h5/ o c 2udsqbg 7q1yp8.a2lieve if the wavelength is 500 nm?

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