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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 shutter is open and the 3)yjw xd3 )w 5fx/rwmg 7u( czici*fx(film is exposed in a camera is determined bywwi f dx/c)xwr(7i3 jzm xucg5*f)3(y 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 dp:7;a2o wyj 7e2 qw* x:zc) wwsdv*fjfilm in 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 distanqpo)9bc+api8 cdznr(9pn( q*jc2 g0s ce may be varied by sliding the lens forward or backward with respect to the ca pp* 0c89 q(+9zbdrpacc j)so2 (nngiqmera 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 field of view that cor+ 5jd;wgpqc. y 0.g g13tyorykresponds approximately to that of normal vision is referkgywcy5yjg.; 3rtg. d0o p +q1red 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 referred to as acs-l1y:twv j5txv)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 tsdg) feib 7d/t06 l 5ey4ndql5hat of the eye and through which objects appear smaller is6/0ltidyln 4eqd 5de 7g5bf)s 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 differ1fprgszwv ;ljq - (a(n6bx 9s8ent 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 refractio idz7sraedyt/e1 un8 ru3z-;8n of light 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 objzooh. )55yt5 dr zxs/4o hjp:yects 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 clewifu f(j9s/ gzj9kj*9 arly 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 j2 3d0j rjr,ddfrom front to back, the person is likely to suffer fromjj320, jrdd dr

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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 c9rqb 2d.win2.uzy1cg ou/ )sr orrected 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 back6ade/wb : km6bilt k(4, this gives rise to a vision defect that can be corrected by usingwb( bkk4 ead:/ 66itlm

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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 y(r2dq k 5ly*vqi5:abto suffer qv5i d:y2a*qk (by 5lrfrom

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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 czy4,wy9/ .y 2ljyuuprx;z n+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, xb-d49m kkm c j, )1ciqtdqx*8this gives rise to a vision defect that can be cojtqxcimk)q 1c4db *kd,-m 9 8xrrected 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 magyaa 7ln; lbu za6)re7*m5+vgqnifying 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 diametern 7c 0/lcrpgdpm ).)nj8ku9o p objective in an astronomical7 lrp ng)pc).p8d oc munk9j0/ telescope 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 b4y+(tbo9vtqw y7mw. v+pq p 4ay a refracting telescope. Suppose an opaque screen is placed in front of the lower half of vt74+9pm(. ytpabwy ow+qq4 vthe 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 useda-5zfrrml / .s:2k6 pxptkv 5c has uniform sensitivity throughout the visible spectrum, in which o25lkrr t p:5pzca./fsm6-xvk f the following cases would you be able to best 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 magnifikmx) 7nxoz),7pp f jbe0q-fb8m hl; i.cation $m$. 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 gm it4ku8y9,q createst detail whe8 4m qikyu,t9cn using 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 f0koacc) z( wx/rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frop2 dev +yidt; 0fk35idn4 m2tdm

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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 refe ds.; u/gg 8vyw0o-qawrs 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 n(ai+g9ogu;y o/v)8 wywie4u es p/z* radar dish is doubled, what happens to its resolving power assuming that all other factorsw/i/gno*pzov ay );wu+eig(uy9e 8 s4 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. Whalnqo(vc4c49c6h* bd qct(1pb27pdk kt lens (in diopters) will allow this person to(b cb cd6q*(1o4l cnk74cpd9 pq2hkvt see distant 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 owc*8e0lt wg ,than 70.0 cm away. What power of lens shol0w ote,*g8 cwuld be prescribed 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 qz bzw( oc5z n7j6qz: 3.cex8aglasses whose lenses have power of -0.15 D. What is the person's far point az7cze8qzo6x cwbq:.n 3z(5j if 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 cor 49.9kkue; ik) 1bifdbl-z pkyrect for farsightedness where the uncorrected near po 9z)b1k ibyudl.9i;kk-4p k feint 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 pozy-0-b e7zyzoe 1gj4 erson is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably rzo7yy1eeg o-z4j0bz -ead 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 nez)zd;l (j*gmt(s ;1 yupvsb8hwspaper held 25 cm from his eyes, if he wears glasses vstlm su1j b;8((g zyhz*;d p)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.nvf3cm6.3pz o9 6 ogbk A person has a near point of 25 cm. What is the magnification of the lens for that p3m6gbv .pn9z o6f3cokerson 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 perz aa(min kwx2 2,)yum7z4f2cwson has a near point of 25 cm. What uwz( 2)mka2,z 24acinfy xm7wis the magnification of the lens for that 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. What is t+;(xh/k-x9abl rg pluu(+ let he magnification if the image irkl ua9(;t xpx /el-+lgu b+h(s 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 a mm.vz.u8 vbx vlw* v*kt(v1lp *agnifying glass. What is the maxib8 m *l.vv *pv vkuxl(zt*v1w.mum 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 focalfc4jh.*hnjk ;/g cb+ u length 5.0 cm as a magnifying glass. What is the magnification if the p u+fnkbj /;jh.cgch4 *erson'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 ip+j8cv-*s.a,qove rs *v9f ocm, 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 v.crsiaj,+sv peoq*-98f* ovachieve?

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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 cm3m pkx;6w /ogethz3w5, 8.0 cm, and 16 cm. If you were to use any two of these lenses to o/kpw hzw;e 65t 3mx3gbuild 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:2obx pxf vxtn :0b9.y length of 200 cm and its eyepiece has a focal le9x.2:0v fntoxp y bbx:ngth 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 wit8 bngr3xgh)8:efx0 xrh a magnification of 10. If the telescope ha8 3grh0rx:8xbnexg)f s 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 magnificatiot)z en;ctntj l-7gz7,n of 10. If the telescope has a converging lens of focal length 50 cm, what is th n)7-tg7ctz,tejz n ;le 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 telescoped0qcf ah8z,.w *l)zuo . If the telescope is limited to a length of 20 cm, what is the approximate focal lengzc,)wzlah8.udqf0* o th 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 a 0*fzjndpp xm/ni2o)*n eyepiece of focal length 20 mm, adjusted for minimum z 0 )*njnx pdoi/fp*m2eyestrain. 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 fwks c,cs )e sls:+qa63ocal 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. What is the overall m ss:+ssc6cl3qaw) ,k eagnification?

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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 objectiveyey2vvl/ p4wau2vh /1 with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificvaw/e p2y1y u/4vhl 2vation?

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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 barrer/z(0tm(z 3 rql*4i w iykveg6l and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnific y6rz3k*0(ig/ leizvm qw t(r4ation 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 in3ju2ynu,d-p k the constellation 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 aperture (diameter) pu,u3 jy-n2dk 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+53gr ay*bw khypry7:. If57 rpy+ag* r :ybw3hky the focal length of the objective 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 from a di 5qvndfg8c)6 022l xmlnvztb7 ameter of 3.5 mm to 1.5 mm as the illumination is increased. 8b tmv2dzfnn75 206lqv c g)lx 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 1ipshi2 m,(zgb5 : wcborbit by the space shuttle. What angular resolution could this telescope achieve if the wavelen1:(i c g5p ,bzbmiwhs2gth is 500 nm?

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