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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://autodiscover.51fly.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.51fly.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: 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;rkw o (e vfv6p8dhpo;be7v:4 film is exposed in a camera is determinvh;b opvp wo784rfee v( k6d:;ed 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 de eqipiy kp)lihl ni)1687y-y8 termined 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 slidi)f+k1lpe 8ehx ng the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzz)fle 8+h1pkxe y 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 -7lg1x4l wjf, 5 d(b1raxfc-jmkco/tapproximately to that of normal visiof1jaccmr , -fodx/wg457lk-j1 t(xb l n 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 id/a8 unvhz:/ +cqs3 ojz *qhh)mages 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 3sqyaui9; ,:hucd.w1xb. md4f mq/zr wider field of view than that of the eye and through which objects appef,qbiwxy4/cu;3z dqas.m9d:. mhr1 uar 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 waysw ozvt *c -yx0c8,ki/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 light bv0 8li3 w6)df8a -lyqqrnu hu2y 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 which anhz- , rqm7i6e83cbqz nmxr //z 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 distancee6/s9nf)jmi*y mk y1ef(wq* k at which an 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 front to back, tvi8r ubv;*6uu3k6l xkrnek(v8,ue ) yhe person is likely to suffer fru8xyuv iluv( ne6k)kekv,urb ;63r 8 *om

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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 we9z,g 0q,8j,vlg pd meith

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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 * )u zd1okprl6n(;xst- g b6kzfront to back, this gives rise to a vision defect that can be dnup ;kx (z6o t*b1grsk)l-6z 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 iyyy-3 xyovz9ois+jqz ex -ex)w 59r+g 5 o81rts likely to suffer fo- 5s 1xeyv8qoxoj) y 3+r 5-9yriz+ zeyg9xwtrom

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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 wi/thq cen8)+b e/ abt6kth

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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 t*ty(wvy n0cio+ 7 (qqnoo short from front to back, this gives rise to a vision defvtq*0nowqi +nc(7yy (ect 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 magnifqwkaa 5 :b2+)z:xy ftcying 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 ve8 +qe loa27 vd d4awsz6-fk1 por,xfz0ry large diameter objective in an astronomical telescope 7 fzozpda s6+0kqo8,x 4-l dfv2 wear1is

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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.v.kzk9js,of p7( b 7t 5d*sizr Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this hadf bz p.7*kzi9 5, vojk(s7tsrve?

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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 ju )pqz; nau:e)-ip;ad 4g2utsensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closelypg4 ;juiu :zpa-ae;nq)u )d2t 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 magnific3n n ne-*tmss4wtd9f*ation $m$. 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 theq :y06vk;tvzc greatest detail when using a microsccvyv qkz;60t: ope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer r* oy,p n)as4eud 9rs /oi1ki-from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf02 - k;el/4ql(b;vp glyvftzcfer 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 microsc*nbczoo +b6 i(ope 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 resol +. 1jowhsl6lxaa5u r5zwq48f7jn:ocving power assuming that all other factors remain unchangeda n1juz.qrwa7wjc8l4 5hx+so lfo :56 ? 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 ha8o.otb1)b,xf nvevev1o 8:gc s a far point of 18 cm. What lens (in diopters) will allow this person to see distant objects clearlybe:ovn )8v8t fo.obce1,x1 vg?

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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 c 1plqtpn 9d:d.learly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in frp :n1dq9lpt .dont 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 -0em) 6mbns4e d,lev+fhx e/w8- .15 D. What is the person's far point if the glasses are very clos/)b x m4evm+slfw8ee6- ,he nde 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 foiqd:m)v5wt0 o7p )215czjy*sa kepq.*pbhy e r farsightedness where the uncorrected near point 2.jy ) bph)pd5k wp* eomyic a q*s5:1t7zveq0is 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 fa7 l :nw g 5x+ledg-pzhmv2i88yrsighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance op -:gd8w7vi 8n gh5ll mxy2ze+f 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 from his eyes, if he ; h:3l esegd;54vevq vwears gqev4 l:e h;sg5v;3dvelasses 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 z6s/wb.ppi4a ,jt/oz a near point of 25 cm. What is the magnification of the lens for t/asobi /j z ztp.,w4p6hat 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 cm. A person has a near point of 25 8yp0)i 3 1b2fiulhr6hcbd,q v cm. What is the magnification of the lens for that person whenp 1fir20li)6hqvduh38 b,y c b 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. What is the,(c:uwov j6w rp0xgx. magnification if the i.j:x g,wxurovcp(0 w6 mage 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 ms xblqg2.t -(a magnifying glass. What is the maximum possible magnificat-(tb xsqglm.2ion?

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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 glblsg0k rl7mz1j 022 xpass. What is the magnification if the pers2bgj27 010kxzplrmlson'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, ahc.6nsyk i5 6dnd 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnificatii6 yh.kcn6sd5 on 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 cm, 4.0 hhtb,-pa.l r2ot q: d3cm, 8.0 cm, and 16 cm. If you were to use any two of these.dloq2p : r,3ahtb-ht 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 eyepiecij*z(:u k/ *)xzl;pwkmq4c bke has a kukb pc zl;qmz 4k) :w*ij/x*(focal 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 astronomifcl; bipqf;4/ cal telescope with a magnification of 10. If the telescope has a converging lens f/i l; 4pfc;qbof focal length 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 f0t 5( 7 e(jrgnxt*. oau/pcopmagnification of 10. If the telescope has a converging lensjat.e pxr7/ng0 5fcu(t*oo( p 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 mj3s*j1: -v xapz tebl3o3o/za 10X telescope. If the telescope is limited to a length of 20 cm, whattv3*z1eb -:3xo jlsomja pz/3 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 length0il *, et+wsdz 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from ltdz+ ,i*es0w 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-b ftl5v gfq3 h6mp(2x7oe,( shcss 19uouwf ; focal length 1.4 mm and an eyepiece of focal le (3 9qghsxo2 ff1sfl esp(6ot u-m7uhc, v;5bwngth 20 mm, 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 microscop j;nz*tgi/m7+nq kl4ce has an objective with a focal length of 3.00 mm and an eyepiece of fj qznlkt+7im ;nc g/*4ocal 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 le.j ejxcot9.7.ns5ipsw o15hq ngth of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 24jnh.q5pijo7 c .9.sxo5 1t ews0?

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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 separation of rpyaj,; sek(x/lp9 -sd*o5kc 10-5 rad. If the wavelength of the light from the 9p,s-kck p r;ylj5se *oa (dx/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 resolve objects o l4d)d))b4wxu pdwk*which are 0.010 mm apart. If the focal length of the objective is 4.0 cm anddw* l 4dx4w))bduko) p 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 aipusm4i sx,(i.kt*t3+ dcm +mm as the illumination is incre tmi udk.4(s pcsi*+a,t3 x+miased. 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 Telescf)d8g nwjw88b ope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength)fb w8w8gd8 nj is 500 nm?

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