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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 sh1gmb jpe7az91u8bw 4mfx 9+tiutter is open and the film is exposed in a camera is determined by th 71f+e8uwb1mp9mb 9 zxjita4g e

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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 isd3,ud *y6a- ;+6osxk wfh-,y7j+j erf o gwofi 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-filmr)(pac 3 i+wqm distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture m3rc wi+q()ap 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 app 7m)bu/yfhi7wrz qo xt s9;yy,nk-c+)roxi) ct) xrmqw;7n ik9sy,o/bfz+ -uhyy7mately to that of normal vision 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 im/y1unafsi 4dmj 85*q hages 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 with46vmai,*2kuht xlk+c a wider field of view than that of the eye and through which objects appear smaller istl+i* ,6xukhkavc 42m 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 zu85 eex1lk4g t7 -xakcamera 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 pv+sbs 4 (0ww,fubak3 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 eyefuh4ro- prvx,xs, 9b 5 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 distancet/eop* rpm)bnfi75 bj5a 5f ;a 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 lojia;b)cxtm1-lrk c; 3ng from front to back, the person is likely to suf;b3 kma1 jc ;lc-rixt)fer from

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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 :+nbqr76nz kp 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 is too long from front to back, rgmn(i0r 7da 3obf17ethis gives rise to a vision 1 rd f7bnma03e (ro7gidefect 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 frontf2((yf-gka2cvo8, hl s t0m2on kzz*f to back, the person is likely to s omk s*f lhz0k ,(c-ft(ny2ozva2fg2 8uffer 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 b**p3f*qkjg/7 syob xne corrected 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, thhjbe1 qsk16 ar6 w3s 5skgfu:/wd/+ fxis gives rise to a vision defect that can be correctw63 k16:jsq 5ar/f1 kgfe/uw+bs xsdhed 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 magnifying b eber): asw);taxpc 7k.-n( tglass?

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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 a5ijqhmw m:k.aosg +1h t-:4nin astronomical telescop15saio -:wj hq: gtm i4kh.mn+e 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 refracting telescope. 8k0g.m om n:mzyyj5(9r ycjh: Suppose an opaque screen is placed in front 8 m.jkomzn 5yc:r(:jy0y gm9hof 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 uniform sensitivi 9)emk6aan k;gad*9 9i9hbiga ty throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referr)9kn gaei 9bh 69iad*ak9ga;m ed 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 magnificationwq 7-+xmchiy:d jarl+- w *ge+ $m$. 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 -(g)cqgnde 2g the greatest detail when u)gn(2gde -g cqsing 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 suffecyt288ny5jdyy 4 xv4az/4m yp r 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 f pi( sg-(b* .mcpryl(qrom

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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 abilik/9 h.gnbkno 3f:vo*v ty 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 happ1p b9yeljrx 07ufa0r .ens to its resolving power assuming that all other factors remain unchanged? abr9lyxe. j 0r0 71pufIts 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 ma3rpi,j af e81i/ik. 18 cm. What lens (in diopters) will allow this peri3aji/f, i1 8e.m rakpson 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 cr:rm,5qhzvj +m away. What power of lens should be prescribed if the glass r rvzj,5 h+m:qis 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 ha*njkby 8 4ial:ve power of -0.15 D. What is the:nlj k*yb48i a person'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 needed to correct for farsightedness where the uncorrect7olapq:i- hv 4ed near point is 75 cm4v7-haolqp :i?

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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. 8jzc/ckwobz f2qwlcm.m4:5 v /o,ti8 She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. Whacq8 i./t/j5c 2zw,lom v 4wkm o:zcf8bt 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 *equ1 pr2c kjra0 60m4tzu:xoread a newspaper held 25 cm from his eyes, if he wears glasses 0ujrpm4 q*c z6uoa1x :kre02t 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 ofbz.:g gm1b)sg 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused ats bm1g bg):zg. 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 lens;k 8vldlyl aj9f;vv1/1olrq,so 8j9gth of 10 cm. A person has a near point of 25 cm. What is the magnification d lak ; r9,o1jylvqlsv;vl9/o8jsf81 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 hashw(et:(hfnvpi6w t y8 1n2(xf a focal length of 7.0 cm. What is the magnification if the image is viewed(te6hft 1hiynn 8wx:((fw v2p 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 *s:mlw(j g2 zua magnifying glass. What is the maximum possible magg z:*u(2m wsljnification?

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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 glass. :0hnqk( n fxr;5hk 9zyWkk:5f9 z0x;hr(nnh q yhat 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 lenyym)o2c1.en8 y.p pmmses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any tw op2 mpyyne1cym).. m8o 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 cm, 4.0 cm, 8.0 cm, andw7yfpqdy y 7-) 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maxi yfywq7y -d)p7mum 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 +xnxuf1 z* jk-length of 200 cm and its eyepiece has a focal jnfkxuz 1-x *+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 astronomical telescope with a magnification3c pil)9uywyl, :vg. w of 10. If the telescope has a pl)vi9:lwwcy 3y, gu .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. ) wn*gkogc: ;n If the telescope has a converging lens of fc: onk*wg;n )gocal 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 telesc 4i6jold-0zu /e / +fxxzl1fsmope. If the telescope is limited to a length of 20 cm, what is the applejfu /o x0 4-/6zdixmzf+l 1sroximate 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 l(ls)wa f) flcecz/hl1/l;rp. ength 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. How far apart afh ;)p1s.)l(c /felawl rclz/re 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 ledw rr:* or rq52asw4y)ns 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 obj:a)4r2y * rws5orwdqrective. 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 apaa2+x o -wqx)4xg2q)u)usv pn eyepiece of focal length 6.00 cm. If the two leng wq)2ouxp) qs 2 v+x)-4apxuases 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 length ok 2sy co*)khx;--dvf sf 8.0 mm. What is the focal length of thkd*xy-shc-v;2okf) s e 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*j sbk080mm fk 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) telescope that can just resolve f0s 0b m8kkmj*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 63n)jf. tidmv 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is .n3 tdim)f6vj550 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 eyeq wlww(k 7v9(f changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By 7 w9wk(vwq(lfwhat 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 orbn+zca oro 6s/ :j,o-fmit by the space shuttle. What ,frjsonooca+-m/6 : zangular resolution could this telescope achieve if the wavelength is 500 nm?

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