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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://autodiscover.5edu.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://autodiscover.5edu.win/test120.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 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 exclxt17mo +emx4 3qwm .posed in a camera is determi1o4lc3tqx 7 xme mm+w.ned 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 the film in a camera is det5-wpb+tj:vwqm- s, u kermined 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 variedsewph0 . y .;azro*8aw by sliding the lens forward or backward with respect to the camera housing. If, with .;p 0.as rhz 8ww*eyaosuch 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 vi0(hvem+nqrapvd) su *, u3ba ,ew that corresponds approximately to that of normal visi0 mq ur +(vhbspda,3en*ua )v,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 like a telescope to magnifyfo8d bd6.mtc rat-o(/ 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 thz8)hm2a(*4q ex9upqb,kr3 ttp ,cdhde eye and throdq2tcdm49hq, ktzhe8p3a*(, r)x up b ugh 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 human eyet,4qmshra/8 oz( ;ro v?

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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 th p.cy5(1lmnvy3zrw q5e 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 m0+2wars,s)7 ;szkp2:mjytmo h f3vhobjects 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 a hl, qr).rvkqsuv7v7 1n eye 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 fro)c*hkhh/i zn5ryi5pj0r m0 j6nt to back, the person is likely to sufijn*r yp5 )hh0/k 6r0hcjz5im 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 corrected wi:l:twewo x6fx go/st4 g;2id ;th

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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 to a;j ojw6d:y t*f 3yqjgvtm4b* ( vision defect that6oj*yb(j:;t q4wmfv jd*t 3gy 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, the person is likely to f73 g37tejdy snd(ab1suff3b7gtyeadsj nf3 7d1(er 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 correcte : r7-n.irhmq1i dqey0d 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 hdm3mu ( 37bzumlz5l)vision defect that can be corr3u7 5mlbdhz) mzmu(l3ected 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 ghd 7oox3)s :oj rj2j,vlass?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason hwdds45g x)h+xzt e5* for using a very large diameter objective in an astronomical telesc 55zdx te+4ds*h)wg hxope 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 forqkgoa; gc3::hyqu o (/med by a refracting telescope. Suppose an opaque screen is placed in front of the low g q;oa3ckq /h(:ou:gyer 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 throughou qn dtj:*45xort the visible spectrum, in which of the following cases would you be able to 5n:jo* d tqrx4best distinguish between 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 a mas igl rqukvr4;/(nu0 w*i)r,xgnification $m$. 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 greatob(5w6 ezxz4z est detail when using a micro4b (exz6zz5 owscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufyw.ffp0 d 5/tz6cf9gh fer 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 ..mgh ,d/ makj7v0r4yiis3go 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 of a microscope ref0-2q1xo psm iders 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 ticzqnd6w:7b7xsggfw 9z hqvy).;4- so its resolving power assuming that all other factors remain unchanged? Its reso;n s w67g97:szzy. iqhfcqb- x)w4 dvglving 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 v h b8+8wyuah3 3,gxne9e :esl/4ykimhas a far point of 18 cm. What lens (in diopters) will allow this person to see distant objece x uyshle 89h3n8/agbv m:3w+k,yei4ts 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 0o3cdvhm2 ewo y(l:l 8power of lens should be prescribed if the glass is to be worn 1.00 cm in fvm2 03ow(ydh8 elocl:ront 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 -0.1uc29yqv:w2qc8z -d, v9myc ga5 D. What is the person's far point if the glasses are very clo 9v ayc9:d-gc2vq8z 2,qmuycwse 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 wh r )fycp05vonutfy /-z:)dy(x ere the uncorrected near poin( d)y/y)uc xfy rnfzt5v-: o0pt 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 m8:i12 b 8:)5 xwlvhjdifmr k ;mv1eyz100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a dist2mw :)hf 1xb8j1:vr8dvm elkm;y5z i iance 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 newspaptq55e ka4n321 lyh qaeer held 25 cm from his eyes, if he wears glasses oflh n55 kt3eaqqa4e2y1
+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 perso5r 3liwydh4nqa,1v. q/ rlz(7rh*o szn has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at i(n43sh.zld5o vrw q *i/ 1 arzlq7h,yrnfinity?

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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 focu0aq. x5 cjo+dp9l-rp7nz d-aal 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 a-p5nalx9c+. du a-zqj7 drp 0ore 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 ofnpl mg rt63 (1*m-ehhq 7.0 cm. What is the magnification if the image is viewed bymmhl(e-3 *qr 1n6gtph 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 glassr ,vzz-qh5 eh0. What is the maxim0vqh z5rh,-ezum 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 7hi: j5zsthe* u+l0m ga magnifying glass. What is the magnificauh05+i* g7j: shzmelttion 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 16.0 c 5anv+p6 ,v);uc oivkcm. If you were to use any two of these lense5v6v p+iucv)k,noa; cs to build a telescope, 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 focal lengths 2.0 ca0rjxn (6p zt0m, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two otjpz 0xa60rn( f 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 jmx i+p+js uhh0b-l23cm and its eyepiece has a foca023+m hjhulji x-ps+b l 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 with a magniasaond/r8 2 kda k2)5ufication of 10. If the telescope has a converging lens of focal length 50 cm, what idua 2na oa2 )kdr5k/s8s 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 an1co4o0 wws yc;rhha/- astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lengt/ c1hw;ocs40 a hwoy-rh 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 limit8rz)9xg, wk iuy8f:dued to a length of 20 cm, what is the approximate focal lenk:guxz )uw89 8 r,fydigth 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 foca:f;y3 v*te:zfp3 c zael length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A:efa3fcez *ty3z :;vp blood 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 focal lengthf+ 0z.u gq n6)(bso:7r6 li1gbj ffkok 1.4 mm and an eyepiece of focal length 20 m+f ujgrzobk07)kg6os( fl: 6b. ni1qfm, adjusted 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 fon1e- vimlq414 -xh(iq nbi8yycal length of 3.00 mm and an eyepiece of foc1n(-ey q-4 ihvnxmi bli8q1y4 al 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 1- *llor7e0tbx 8-cm barrel and an objective with a focal length of 8.rox t0lb e*-7l0 mm. What is the focal length of the eyepiece to give a total magnification of 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 constellaik)h vgs ertm:6enh(v5v2 7 f0tion Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperv(r:s tghvh5m 2)ke nv f0i76eture (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 resolve objects which are 0.010 zi;.laq.iei r41+lbt mm apart. If the focal length of the objective is 4.0 cm and the wavelengt lq e l;t4+i1briaz..ih 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 y b .6-3g*n9nlkttqcp a diameter of 3.5 mm to 1.5 mm as the ill63ycnl pgk9. -tbtqn *umination is increased. By 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 has been placed into Earth ;6l8awleofr/vu+1 z dorbit by the space sha6zlf/+d 18ve;w uroluttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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