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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 exposed in a camera is-xme6p n9ly, .mwlnu - determined nu.6we, 9ym mxnll--p 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 reah4* ofj, qnr4ol* fh0wching the film 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 distance may be varied by9l--i lmq;zpfs,o z,klm g5awe ip )li46xb;/ sliding the 9-iis;pw i - a ;pl5xgzqb,ml)4l/ k,ef6zl omlens 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 ogw3j;vk qh2s7ytnb2nm10) hthe film with a field of view that corresponds approximately to that of normal vision is referred t2k ;jq)1vh7y 3bmnso0nhwt2g o 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 xmyeyzvm gqtvh8 wo9 8;zfb43g) 88y;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 the cf9r 2;y; irr,kxr.u:*gl7cz9 h j ppfeye and through whicug;lc z ixr 9 rkcpjy2f7,fr r*:9.;phh 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,vd h v* t sfk8j7d7yw u44b,brf;;xgl 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 o.k :xb*o+byjpwh4v p99 8kkdn 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 objec bj6j8 6w ab,i*va6k3by klybl.p-n/rts 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 at4kykc 7m ylv:7 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 pe o;v ofq-:/xa*vfvq8z q9jl4crson is likely to suffer fro4*zx qfvc9 fj/lv-8oqvo: ;aqm

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually+z8dwm9rsf :qgdym9 ) be corrected 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 a++aeh 4(9zisg *i3 cot9rkftis too long from front to back, this gives rise to a vision defecti+9k cthgf *z+4tis3oa a(9er that 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 i9pwt lf-t)wer8dy (w ; (s2(ftur-tgto back, the person is likely to suffer2(ywpt --t8g9f (teutf(rl dirww) ; s 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 cnsvnqr7fo6d/9v7vzo,* b kz+orrected 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 ax ;vmxc/wp68wk/4aue )a cl(5ft.sma vision defect that( /aw ;5)suvx f84c pwx6/kac.lmemat 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 ifdy 9g30tcn,ut2b.r a magnifying 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 assz4y1p**hs zlffy 2f*uh/ m d9tronomical telf9d**ss/u 4h1z h2p zfl mfyy*escope 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. ( tjdlo7 ise)gol68a refracting telescope. Suppose an opaque screen is placed iie)g d6l a8l.otj7os(n front of the lower 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 eegh f,(y 8vk5uniform sensitivity throughout the visible spectrum, in which of the following cases would you bykeeh v8fg5,( e 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 magnificationb(l pvkwz0a;wk0g k 5. $m$. 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 ligh pth /pagjt.hd6oxt23i58 :u tt would you expect to be able to see the greatest detail when using a microscopxp t5 u32ioj/h.th:tgap8t6 de?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer from .k0i;iq z7ikpc+ s+kt

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro,evp;5 k1h2 h7tbils mm

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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/mp /p0lmbpc-eex0 bbuiu g (.pxe1.+ 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, n/s)sps,w:5na -nvoc c81d fhwhat happens to its resolving power assuming that all other factors remndcn:-a8fo ns h5/c,pws1 )svain 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 persoq8)f0 jyg6e 6ppf e )63ybkqcwn has a far point of 18 cm. What lens (in diopters) will allow t0bfc e)wf8qpg 366 qjykp)6y ehis person to 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 than 70.0 cm aweh0 1j1hd*ipen(ud*sk wi61p-hvp*z ay. What power of lens should be prescribed if the glass is to be worn 1.00 cm in *sd pnpw 10jzh*1d6ev*k(eihpih 1u -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 6gbn bvov;i y9-fnz)p)4 m7reglasses whose lenses have power of -0.15 D. What is the perpe-6; 9 )z)rni4bbovvgfyn7m son's far point 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 ne;uv0 tbtwok(5eded to correct for farsightedness where the uncorrected near point isvo(;0 kb t5twu 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 100 cm. She places r2td mrcv9br1;eading glasses close to her eyes, and with them she rc2 vmr db19t;can comfortably read 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 newspaper held 25 cmths 7d96 nbrnf.zpn(- from his eyes, if he wears glasses ot h 7b9.pnz-f6nr nsd(f
+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 habka l7ge7nv/snv:;o ;s a focal 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 areavlk;g/ 7nnob:s v7;e 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 yh*xr) ;ni h)v25 cm. Wnxv )i*)y; hhrhat is 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 fibwc8 trgc4p/ 9(t-v length of 7.0 cm. What is the magnification if the -cwib9( tvc/p 8gft4rimage 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 ccc4 x,g7ebfe1 m as a magnifying glass. What is tf ,c7cx 4eb1eghe 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 *nnq.het25ncdnqwr5y 0 2 2 nxof focal length 5.0 cm as a magnifying glass. What*cqnh y02ne wxrn2tnn5d 5.q 2 is the 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 cm, /8t difm9 sz:wand 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maxf:9idt wzsm /8imum 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 cm, and 16.kvfaxbrd((s m05c7b cm. If you were to use any two of these lenses to build a telescope, what is the l7( mc0bb .5r(vdxfs kaens 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 aojg1; )h *x: 4ycpuiljh0vi3d focal length of 200 cm and its eyepiece has a fop)1i43cijvgjhu h*y xo;d:l0cal 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 astron)lcm,i8 yg-8 h/ggulyjnw( 1 lomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, w1u c)(g,l l/nyj8ylm-hgig w 8hat 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 constructsbdk2zic2-oy98 ,mmn;viz *al an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resuli amz2mv*yo9k ,l;z-nb2 dic8ting 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 t 22lm,s+ fo/ ckmceq6gy1p p0the telescope is limited to a length of 20 cm, whatp0ko/fsm22lc t1 ceg6y m qp,+ 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 l8u9vj3 m)u xqoy,0 a4dpra)zyength 1.4 mm and an eyepiece of focal length 20 mm, adjuste uq,0)8ray43 x)mvuoyjadp9 zd 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 objecti0*db6y t vw mu:re,s-rve lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bld rbr 0y6 t-uvem*:,swood 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 microscopd(w 9 *4ug ald/8zw5wtj 4zunce has an objective 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 to/ cu n8 wg*ajwu9ltw544dz zd(tal 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 barrelj/qp5z8u c, mbirvju35tqo 0 + 6e+l2q+jnucm and an objective with a focal length of 8.0 mm. What is the focal length qimu28cqn j0+,5bqzu+ 65jelmo/p c+tvu3jr 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 separajyi nx,kpd ;mn/,q3pybg + k75vc5 qh7tion of 10-5 rad. ,qm q /x7 yi5p+kyvnn7 ,kgbp35h cd;jIf the wavelength 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 ao1sq-d 589rljl7km016zfewic; grjf re 0.010 mm apart. If 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 objectirjd-f5cfm lqo;8g17 wz k0sr6e lj19 ive?

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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 dmz(mj;n/dd bgl..r- wiameter of 3.5 mm to 1.5 mm as the illumination is increased. Br. g(dmnbw ;l-.zd/mj y 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 ilpz0z1k2nbfad -, *kHubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescop0b,i- 1f pa zkdl2*nkze achieve if the wavelength is 500 nm?

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