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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://mail.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://mail.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 t3 hco om;ue(rt f dt*,8.;1isd q7monfhe shutter is open and the film is exposed in a camera is determf1mfi*t;,;hstduod oqe8 r3nco( 7 .mined 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 *2 foh2 aotoowi3 3w/qin 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 slidi5ak73 jij.mu vng the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture.a j5jvu mk73i 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-5(k lb: dboxk field of view that corresponds approximately to that of normal vision is rek :(-kbx5bd olferred 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 cq gx4q5r2ty)qt e82umagnify 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 coversl,v z6, myj( rp8tw0gi the film with a wider field of view than that of the eye and througwt ymjl806(vi ,zp,r gh 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 cam6 fgp+uvf m7;*ccdo(gera 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 the eye occm(7nz-h cz 6ul/hxc q;urs 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 obje :30kptc 8fgdvr ec5/bcts 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 eyqbl ;y4gn ,4jfc2es(b , l)sn i3gfn8ve 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 l gqjm*7j.:cd gnb*d 4nong from front to back, the person is likely to suffer f. *jgqn4mdj * bd:n7gcrom

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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 cyys) 39nsj ;lnorrected 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 bacv:azfsg;)yv 7qv- ,gbk, this gives rise to a vision defect that can be corrected by usin g ,7;vvsgya:b vzf)-qg

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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 shbg;0 m lybhu.d-sy(m 2ort from front to back, the person is likely to suffer fromsbum- yg.0 by;2d(lmh

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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 corrected6a k /zpeiph ran)7q,( 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 bac7/beh((pw,5wcb n d rsk, this gives rise to a vision 7p(sb( ehbdw5n ,/wcrdefect 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 magnifyingr, fz68nu+r qyenob,5 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 objective in an *rhorj::db cfrq;;4t5z 7lb x astronomical telescope ic:b*f x;zot5;7rlbjdh : rqr4 s

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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 rempy7;btnhqa+v,.8thrf)cyt 9 u8110 c a kqlwfracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will;w0k)t+. 8mfclqn yh1put1yaqrbv 7 ,tach89 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 th i fe8v-u4t .:hzzgw 26zy+keae visible spectrum, in which of the following cases would you be able to best d.4e-w tz+:ykuz ai8 fvhe2zg6istinguish 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 magnifj8nmdc3 ig/a y,6s4 ay *d;shnd6xl;jication $m$. 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 b (dta/-h lris+in8; sd6r2tzp e able to see the greatest detail when using h ia( -/ szdtt8di p2sr6;rl+na microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffersx( kw-epxw8 2 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 frs q)sk,phgy;8 om

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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 refers tobus c socm8t2fs7:,w9 2nuu((omlkt 3 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 poyd 0br3gu 0ld 2+bvt/5co94ttm jm)vfwer mgd4 )vry/dt bl u5 ot20b+f0 c93tmvjassuming that 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 dio0zyt d+w)-v9ggcv f 6fsp1kq, pters) will allow this person to see distantwqf) dc1gg6-k zp+fts v90vy, 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 objec 28yv+:v4bl ksgr py1pu*n t8dts more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of the ep*y8 +dk2vbulpr gt1v8s4:n yye?

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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 o dsvv2sygmnor12m+ ;j5wuxk7su(02is the person's far point if the glasses are very close to the eyesu+( 7v 0 2oyssxrn5vs 212gj u;dmomwk?

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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 farsighted ek/*m/g/zpv -5zdl flness where the uncorrected near point/*z/-v pf5 lke zdm/gl 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 )tcepbxyrkh9zj;l u7( v m :m/yy6.d) person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distan/ ( ep).yy6 tclym)m khd:u x;9vbjzr7ce 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 c7y9tzz5j. ibnewspaper held 25 cm from his eyes, if he wears glassezc75by tzj.i9 s 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 fo.n5;jbl-xk c .lkbvnwn1s 1fsp ,;e*jcal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when nne 1w jl,..bk1v-j; fcb*l5xsps;nktheir 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 ne2 (rl grvem, +zy0c/cmar point of 25 cm. What is the magnification of the lens for tharr mec2zcg/(v0+yl , mt person when 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:hi,dz; 2:mua o)a ezl. What is the magnification if the image is viewed by a rell ,deoahz )u;zmi::a2 axed 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.5ad rw 3gyy hfl z/4axe7a1/c. What is the maximum possible magnificat//aa x ay357r .yzhc 1lwfdge4ion?

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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 foc ,luz*cidss+ 6al length 5.0 cm as a magnifying glass. What is tc6*ls+iz ,dushe 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)r a)5t1k6nfd0b( b*/5 f6udj lg mr-qgdaowa cm, and 16.0 cm. If you were to use any two of these lenses to builtor bag*mbdr 60a wkq5 jf5) )/d6nf a(u-1gdld 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 cm, 4.0 cm, 8.0 k7xv7ks9zm4 n z* /uoscm, and 16 cm. Ifos /7znzx4m*7sv 9ku k you were 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 tel bc: 0vaei zxl)/w8x4iescope has a focal length of 200 cm and its eyepiece has a focal lenga 4 ei 8i0cxwv:x)z/blth 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 ast 0snun3rp-9u -w(v4snj uceh 3*3cost ronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the-*unroesvjups( -t393 w4hu0cn n3c s 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 a, ji.dc xg1a:mstronomical telescope with a magnification of 10. If the telescope has a converging lci .a x:d1m,gjens 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 a 10X telescope. If the telescope is limited to a l7p dxzlw +.fk(.al, tv:zh)kyength of 20 cm, what is the approximate focal ld7ly,zfkt+)(h z. v :.a xplkwength 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 ob+ gfu)c ok2f6*gz plwmjg3 0p-s5bc(u jective 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. H)0 * 3ucoc-w(l b6fpzmf+j5ggspu2k g ow 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 pxlg)d j,-;jx lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. d x,;xpj-)jgl 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 focal length of 3.00 mm and hdv v)f.k *3jman eyepiece of focal length 6.00 cm. )vjhkm .d* 3fv 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 w2daw2 50lpuxz *xqkal4p bt 3;ith a focal length of 8.0 ml*xbdtq532la;2 w 0 pu4zaxpkm. 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 constellation Orion has an angular sepa,xql.4 m2y2ij7d j qqlration of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter)4jy j 2l.mq,qqlid27 x 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 snv2l 1+(m.v bk axyw5(ne xm(to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wnm(x+(yw5v1 m. 2nl eskv(xb aavelength 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 jeh1+wl-6pa h +x zj09y/8ln ygs5bic changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By j0hp19j+z yxn wcibhg5s-ey 8/6lla+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 cdq-/- .a+ b0wba i y;kflij9iHubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope ilc-b q0fjaiy w- /ba.9;+dik achieve if the wavelength is 500 nm?

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