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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://autoconfig.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://autoconfig.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 film is exposed in a came m7. jl5w*tvfd -kdk9saf2nbe sw(s8apn; +*qra is def fbq+wl8kp d 2(tks an ensjsmda5*79.w ;-v*termined 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 il3 to84q a;owpn 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 sul7c4h/f wn-ws zzk9z;: fg3distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy pictulsnf-7zh z9c4w:skw f; u/g3z re 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 o0 g ydndkwhi;b c4/n05f view that corresponds approximately to that of normal vision is referredckby0n;0w igddh n45/ 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 iytrw+cg 72a1j0 0m vlumages 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(oinpy1/ g.jmcqbdce h( 5eh5jik:gsns )2 */ than that of the eye and through which obje(c : nmi qb y.)k /gohjne5i/j25c (pde*gs1hscts 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 v63.5rxkwpynb5 p cz :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 refractnnbi.xww se 9,t+2gd8ion 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 ux1 ra5p i.ai+zp 8wqs:sak/2 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 distance at which an eye can see objects clearly i;9zn knpb; .i)* gxymvs

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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 persiirxtb q u( 7**nbk2c .f2sr;mon is likely to suffcrbism**7 i2b. uq t; k2(rfxner from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can /-cczov z1w,yusually 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 is too d dlh4upx3/0flong from front to back, this gives rise to a vision defect that can b3xud04 fdh/pl e 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 fn4p;bri(6mm yq v6 x0ew23 qasrom front to back, the person is likely to suffer fpbsn(wm4 rx30 vqy6mie 6a;2 qrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuadp1,mg 3irp-m lly be 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 to n4f1-lmc mi:no short from front to back, this gives rise to a vision defect that can be corrected by nmcf :ni1-l4m 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 magnifyinnigt ;n0281kd q 1bnu 9mbif)ug 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 astronomfxag*x*a 3 o6h9 qag xger3xvl+/ .ya/ical telescoa*f xg+/x ao lxh93age gya*.r3/ 6xqvpe 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 formn(,ix4mbv vk0+ zuat37c3 bk qed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. xqt3kk v40+b7bzcmi a ,n3v(uWhat 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 sensitivity throughout the visible sj(yy5 sjbs(v gzn,: q;: lb)+wxx-yvspectrum, in which of the following cases would you be able to b jqs (x+sznlys:b-gwy5,(jv ;b):yx vest 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 h .4 :os4tor0vdq04/ 1(tzr fltmqr dduas a magnification $m$. 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 expec8fy(l3 *m)esvrz1i f y3-l0oi l ostz-t to be able to see the greatest detail whenl-y f38 v3s1ziy-ot*( esrfi l0zol )m 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 suffe fr7sbxe0 2f8er 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 froz rq 9 if/geqeb59.-*rda4o nym

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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 abilitya*2n) p (:-hdtbq ylsy 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 reso-,fhh j,,i wqz8(zywob 8lfm-/g v8v alving power assuming that all other factors remain unchanged? Its resolv8 w whh,qvify gbv(,mo8,al-j-/f8zzing 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 d,b* tl6g;iw.cd rf +fpiopters) will allow this person to se.c6i rp+f* gwl,f;dt be 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 70.03alef qq++t67o*tmdr cm away. What power of lens should be proql6m7t taredq3f+ +* escribed 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 p4,e x5g ojejf+: lq*swears glasses whose lenses have power of -0.15 D. What is tl+: g p4ej,esq oxjf*5he 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 uncoja(tteb.gm1, nf)q0 g. pysy/rrected near point is 75qg, 1.pfet(anbjy. s/gy)m0 t 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 perh1wit1, 8o - lmww+7ewyln-xf son is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper atwi1w o ye-lfx,w 18hw -n7mt+l 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 cm.ijgt,8lgyn8 from his eyes, if he wears glasses ofijy.gl8n t g8,
+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 lengc+bw(b6 im)je k5skk1 th 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 arebc1m5 )6kw+k sk b(jie 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 j .p)22r6si*hxp hdco point of 25 cm. What is the magnification of the lens for that person when th.jipc6 s2 o*2prd xh)heir 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 7f2:l *+ bdjgm e m3 4zwavnsh,1:ddl.k.0 cm. What is the magnification if the image is viewed by a j : .aedkv3mw1l,zm: bd sdg*f+24lnhrelaxed 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 glass9 f5.jar)l5vdn lckz-c6 pxr/s;t) x d. What is the maximum possible magni/;dc) c)v fltd5 r9srl5k-j.6npaxzx fication?

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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 lengthp/oysjy 5v.q 5 b;md;s 5.0 cm as a magnifying glass. What is the magnipob.;s ;yydq vm55j/sfication 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 lesjz.eiy , -q 25gjhxs+nses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is theqx zg.is2 seh,jjy+-5 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 g,a0n5oxdz f7m, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the ma,fx5 0ag oznd7ximum 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 lrqu sp1p(:l-z ength of 200 cm and its eyepiece has a focal l (sz u:r1lqpp-ength 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 magnificas8o h:fpkac wawh1d-vy3.+t* tion of 10. If the telescope has a converg8k31:h tpsvwawd- .ahy+* fc oing 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 astron1t)td-ncz qw)omical telescope with a magnification of 10. If the telescope has a converging lens ofw)-) q1tndztc 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 10*;af0sy d xdzi,l7u/w2rbaz0X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the obudaxw;bld , zyi0s rz/20* 7fajective?

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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 eyelo.ca6trddo06 tdg1-lu(o qg as +- d/piece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are theo dg6c0-/dq tdd-+l6rolsou1ga . t( a 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 1nmyoa7p2( 4uoaa )a;j .4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bloodmy n o o;2)(7a4aujapa 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 object + -stwm:jbc.7b simo)ive with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are sem7.+sjbb)mos- :tciw parated 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 *uqe ,/fr*cmhaivs;.focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 2.*hr avm*u ,i;/ ceqfs40?

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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 hzp a:/5kt 8yd3 xs,egfzbx a/;as 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 rdg:aptfaz/ykb5;/8sx3z ex,esolve 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 microscopc*ga+dww3n :z e is designed to resolve objects which are 0.010 mm apart. If the fogawn*z dw+3 :ccal 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 diameter of 3.5 mm to 1.p. ug (k2qaye:06 t rgyb2m7ax5 mm as the illumination is increased. By what factor does the minimu:k 6gum2apgar tb.(2y 7xqye0m 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 inse0)z: oij(uj p/aik2to Earth orbit by the space shuttle. What angular resolution could this telescope achieve okaspi:20ujj (/ e zi)if the wavelength is 500 nm?

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