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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://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://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 shultrev7 w b;+4g0 q,h3/v udpgwtter is open and the film is exposed in a camera is det/tvu3g d0hqe4wl rv;g7+wbp, ermined 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 determin;u6t gigqio82 8imgai) 7mc ,yed 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 varieqd7+s0 refb)a0ttz;i d by sliding the;+qd0i0)tesra7bt z f lens forward or backward with respect to the camera housing. If, with such 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 v f727, vikzimfield of view that corresponds approximately to that of normal vision is referred to amk72i f ,vzi7vs 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 telesco1kybxjl/b :g.hn+vc +pe 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 coversoxiu/ qyn2 :)r the film with a wider field of view than that of the eye and through which 2uri)no/qxy : 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 camer8e9+ wsz g)fg plr-5eda 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 ligtg 5 eqnybd;gw;u,/2,iv957nltr egv ht by 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 an eye can see objects cle.k -/5( jnpzae qocl8iarly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distancj220w t (kc1gyk 7cedap3hs+ we 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, the perso v8:1g0oh yygkn is likely to suffer f810hg yg:vyok rom

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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 corre8x wk0ncm:rvfl,d/ u3cted 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 rise to a vision/f;62lv;zjyi9l vay t defect that can be corrected b j9;i2;vyzlvyl / f6tay 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 n bm3a)0jlek1u+ ub n o9i;qm8is too short from front to back, the person is likely to suffer from1)mal 9;+b8mn0 uibequ noj3k

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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 *j;r*q8 po dzmwith

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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 visio 13zdimr;h/1e 5p2xwghhuoa r;t4f) n n defect that can bei3xmhgwrn o4f tzh/d 1;hp1r)52;ua e 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 me 1a;siv 6+lyck5t9 xvagnifying 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 h9dh 57vpvv7x objective in an astronomical td7h vh5p xv7v9elescope 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 refractingd0wh2pyf*.gv hq7ip.x.5l xfpo:r8r telescope. Suppose an opaque screen is placed in front of the lower hprl q0.2:p gfho8.dp5x i7.v*w xyrhfalf 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 ha24q:pkllis) -.+fj lzjfds /j s uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (T f:j p qd+lllf.sj)j/s4i2k-zhe 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 mjyq2tb+1p s z1b4d/dxp u::ncagnification $m$. 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 j-wtb/) fbarv* o k+8othe greatest detail when u/ o-)bak+t* ojf 8vrwbsing a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frg5 )kstl 9 +io4uq5yrkbold- (om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frotvjv*n0 6l9r 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 to the abi.r li7ttxe1p .lity 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, whv nr;yzxfa9: /.55c hrm1yv,flxs 6c qat happens to its resolving power assuming that all other factors remaiy:l6xcff1nz5cvs59. r v;xqyhm ra, /n 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 dioptersltfrq3e wke /j)00(m y) will allow this person to see distant w0rej()mfe0q/k3ty l 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 a+:4u-np0q8wux7ko ch,,na vw fkwg8c/)j mcoway. What power of lens should be prejvgqcno 4a 87:-o8wu wuc0kc,p/ w)xmk ,+hfn scribed if the glass is to be worn 1.00 cm 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 whose lenses have power of -0.15 D. What is,4k2an j.ep5g,ji hq q the person's far point ik5 n4h2jq giq,,.je paf 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 fwnu)ydx0e 9 e2/ p2c xsxu88kzarsightedness where the uncorrected near point is 7xs8py2ku u d9nxz0x we2c8e )/5 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 (*p ip 5 jj+iop1,aylz-md;c gggw47xcm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distanceapy, m;jg 7d(oxp+- *g j1z 4il5wcpig 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 from his eyeshj6 q.;pqpcjod65k u:bxfqu6k/ 1uc8, if he wears gl.6qd; 1fouquppk:uj6hbqxk85 c6c /j asses 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 near point s:yqsqppf 9t3/ x*zt;of 25 cm. Wha;ps t /f: qs*yp9qx3tzt 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 l3+kj4qqlj b6 yength of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyejb qjl6y4q3+k s 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 7.0xrjwqq5 d 3:nzbq;3+)3rfu / oazus8v cm. What is the magnification if the image is vieweqqx+u8/rqzz5urajwo3 33s: )dnv fb;d 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 ao knp-28mc6qu q ,pj )5meo(svaem 8u; magnifying glass. What is thev8mm-8o6;s u(u, j5 )oqnpmkeqca2e p 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 focack, dids 7g+s) lp,.s0ezm p.al length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is reld kd.0cs,ps+ s a7el)gipm ,z.axed?

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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 l/f,xc c,)xq ydijx 8(ktc2 t26qx-mp lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use anyt-2) xl6 cd( ixky q2,c/qxmjfxt8p,c two of these lenses 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 c n4+lpphm72dikd f43pm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a te 4p 4fidpd+n23 lmh7pklescope, 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 telescpc*tlmd 7 8ob7ope has a focal length of 200 cm and its eyepiece has a7d7m p8bolc t* 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 astronomqoid 9qh s .y-7xt:ui6ical telescope with a magnification of 10. If the9 u:qi tsix q7-6oh.yd telescope has a converging lens of 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 magnification of 10. 9o fne28 ffk ,za/eva9 If the telescope ha9fek 2fnezvf, 9ao8a/s a converging lens 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 1dt4 41kdfjd8.ghb f6kv. lj.l0X telescope. If the telescope is limited to a length of 20 cm, what is the approxim dfkf4l.g61j. 4dkjldb v8ht. ate 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 eyepi7 q,,ga371a5aqvn(x wfzcof zece of focal length 2vgzqz o,ax,ff5a(3n7 qac71w0 mm, adjusted for minimum eyestrain. A 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 length 1.4 mm and an eyepiece of;rsp 8.,njub e focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overalljneub.s8 ,r;p magnification?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope1 oa9om r6efn2vy+c o( has an objective with a focal length of 3.00 mm and an eyepiece of focal lfn v6o+9coe2a1omry ( 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 y)ctj,u 9e,i- .b r7m(ry pe ow57qmcfbarrel and an objective with a focal length of 8.0 mm.fy5qw7r7eu.9)i(bc jot m,- cpye,mr 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 separatioc(b-o 7 q5omgm(la t0an of 10-5 rad. If the wavelen( ag( 7l oomtc0mba5q-gth 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 resolve objects which are 0.010 mm apart. +yvsgn/4zf d2w x4/-uowh7so If the focal length of the objecti4n472osh/+gwyu s-x z/o dfwvve is 4.0 cm and 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 fr h wh70j sbpto5bm915(bk o4xvom a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution changes90hjwbkv(tbm47hp x5boo 5 1?

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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 Hubbldh*ep2y 5.w mtu* -yev*xe(nre Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength i.eeynux 5- w*per*yt2h mdv*(s 500 nm?

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