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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: 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 armdg e i0u-78is exposed in a camera is determined by ar8-g de0m7 iuthe

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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 q3a x3*fi0sf s-h dm9zis 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 mf7 oau* jlvg5 s(2vs-oay be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture i j 2o*vs5vfa7og-lsu (s 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 thatn fjobw7 *+c 8r*5vtmk corresponds approximately to that of o cmkn jt*5v+fw7 *rb8normal 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 like a telescope to magnify images is referrei5 e;zv.5s,pkcunt6f d 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 witj 8jq0/n*h+llgz /wwq h a wider field of view than that of the eye and through which 8w + /n*qlz/jjwq0 hglobjects 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 followingvfos0q q/*u p0 ways 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 light by theh.jsxk5) o2s v qsp p6r4mj01u zme5vbg6t v., 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 an eye can see obje5y/eq8thcg p4.j2t p1 ; bbfuvcts 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 d :e80a/3b4 e ky)cysgvlmk8 his

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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 bzl5lslqq 3qdvf2)0 tcso,w*79ng4 dl ack, the person is likely to suffer fromv9qsdq l ,0 5c7q2fn *43s)lwgotdzll

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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 corryalk(gm r9wkrfdq2zo, +m0q *5t u0e, ected 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 r.q 0 /ee5clbqgise to a vision d0 5qg.eqlec b/efect 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 frontesc5+,5vvw 06l usdxt to back, the person is likely to sufussvc6l+ 0 xe5vw5,t dfer 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 corrected wi7v)xh7hd dkzv:f ct t6.zp8 e1th

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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, usgm-gt:ury70jxn u3m76n ,d this gives rise to a vision defect that can be u, u 0m :nr7tguxdnm637y- gjscorrected 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 magnifovpyu/rt, 2, hying 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 f/m5i as wlmm)c+ u6men*o.0q using a very large diameter objective in an astronomical telemao/ ic .sm5ql0nf*w+u6m)e mscope 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 refracting telescope. , uvr3nk7r:ce9 dvj7dSuppose an opaque screen is placed in front of th cujr, dekr9:7d3v7nv e 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 throughout e:h 1e5vxcw+)vsp ynhc6kk8) 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 obhkvh8e+s ) kcx p6vw15:cy)n ejective 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 m5jl 8-c dotvu:l;esh-agnification $m$. 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 sy(n/n d(4u6q2 c7y 0l neskwqwee the greatest detail when using a mi(7wk(0yqwuns/q l e 64cy2dnncroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer m;96bq etnj (dfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fn h t+xe2b+h:crom

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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 microscope refe55v*s 4le1l8jwqnnbot u0uh xe *5 xu(rs 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 resolsd+sf2 *vx ouf5.sz: fving power assuming that all other factors remain unchanged? It5suffdfzs: +.* o2svx s 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 1(lvxq; qztzmknkdpg;r 0s)44b:0csml i g;;)8 cm. What lens (in diopters) will allow this person to see distant object ); 4vgkdq b g4pzl;00t cm;lz)(rsnkix:q;sms 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 power of len0, u 1*c ;3yqt tqwwbixs,6fc-eofs/ps should be prescribed if the glass is to be worn 1.00 cm in front of wws;p bq*c cfiu6e,3xf1, t0o-ts /qythe 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. Whagvven-jj16x tvhc5kr*4 o2j4 /lbgh+t is the person's far point if hc+k-4hoegb*6jgvjv1j 54 v / xtnl2 rthe 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 farsightednesvq 5m/ v-li 667olbbves where the uncorrected near point is 75 cm?i6el6bqo mvbv-v /l 75

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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 lbggouf8iqxa-;2r)y- 3 y kr,100 cm. She places reading glasses close to her eyes, and with them she can f)2gak ;,x 38yruliryo-b-gq 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 25 cm fro rha;vtg iw:m1;/ yx8lm his eyes, if he wears gla;xw 1/;t :vy8g imrlhasses 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,wyr3/b,8 )gjje wzni length of 10 cm. A person has a near point of 25 cm. nyj8/ ,w,ejgz ibw r)3What 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 czxgzn0 o)r0(x w u6lv)m. 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 )0on(0 luvxxr)z g6z wnear 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 lengthseid ( imul//1d do5u39gy /6b yj6sex of 7.0 cm. What is the magnification if the image is viewed bg/soesu umxyd 61ydb5(9 i3 /j6ied l/y 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 conv z lkjggw -5e7 j1emq7h74f5gherging lens of focal length 5.0 cm as a magnifying glass. What is the maximjzh7 j5m4g5gf-qeg17e hk7w l um 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 l4a pps ja a267z0k7hjpength 5.0 cm as a magnifying glass. What is the magnification if th2z 06p7 k7aj4ppjaas he 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 , a4 swhvl8zs(slm8m7cm, 4.0 cm, 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 could s4mwssv(78a8l,zl hm 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, *f5. kety0 gk5xbsjof9/ggt, 8.0 cm, and 16 cm. If you webg.fg sf9 tk/jgyk *,x5e5t 0ore to use any 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 has a focal length of 200 cm and its eyx1 --hbrm2df eepiece has a focal -brhd2em1-fxlength 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 astruk vwityr1c9bn(jy :q .+2x laezh67)onomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 k6bxv2:(ity.7awy9 reuc) ln +z1qh j 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. Ifl,a ,um8m*1 fcuz3 kdx the telescope has a converging lens of focal length 50 cm, what is kmf uc8,a3d*lmx 1u z,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 telescouf/4rfq vu:,k z1zlzl 8 7f(udpe. If the telescope is limited to a length of 20 cm, what is the approxif41ffdv7k/r (uu: z8zl,lz uqmate 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 foy .2purel +z7kcal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How fl .+2e pzkuyr7ar 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 mmz: tnfr++st/i3 rg im6 and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. g6i:3f+rnsri/t +zm t 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 a gj8al-se /5( jqy7cwwn objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cmj7s w8- /(ljwqa gcy5e. 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-cmwoqaqd p+(.ld/ ev w+ pnz8xzel.99 6w barrel 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 246q .wdpe9ov8l/newqazl pzw+(x +.d 90?

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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 sesw/k0 uig9oxmg,hja-2 9 vo,a po6fv6paration of 10-5 rad. If the wavelength of theopv h,k0m9xsofg gwi6ov2j6a- au/,9 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 ui4..qme1qaq designed to resolve 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 diamete1uq aemiq q..4r 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 tod 54+he vbvv*x 1.5 mm as the illumination is increased. By what factor doesvvevb*hxd 54+ 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 has bwq qvqp )x+v.zoo4s7r5r o7 ,b -re1rheen placed into Earth orbit by the space shuttle. What angular resvq,boe1rr7q-45+wxp) 7 orvo s z.rqholution could this telescope achieve if the wavelength is 500 nm?

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