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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 shutteai 9k w ruz//ny6.me+ar is open and the film is exposed in a camera is determined ay+w /i/ ruk.z na69meby 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 odum/qm6pl*+p4e kii ah4p,( w v.h k40oq5ladetermined 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(izsp3v ;bu otr); q6;zsp.kn-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy pictupnp(z;q;brs .;st 3ki oz) 6uvre 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 approbhy .)w6 -ofuw9y4dd rximately to that of normal vision if)ry d6du4 9-.oyhwbws 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 images is; k6j ):v8dygqhna/ ve 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 covei;o6d4f:+iv jme,bqirs the film with a wider field of view than that of the eye and;ij m+q, bidfiv 6o4e: through which 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 u fqjrewe a p9*oy5591from 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 refracz yzt zpt3bqra6(r/ )yvod+5+tion 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 (mhoq/g 2s; hvwhich an eye 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 distance a o0u5w(z,mkm jt 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 bsmnpy n6)vmie(1oz 5( ack, the person is likely to suni(1 so evmny5z)(mp6ffer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usu7a jw9yxz,. uvjfw;;ually 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 long from front to bai-u i ) 5mblyxy5yv.) o:n,oojck, this gives rise to a vision defect that can be corrected by x5u))b,nyoy ov: .ilj i-yom 5using

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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 persou pst/76lx.ex n is likely to suft6x u/.lex7 spfer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualfu k 5)4c(6 vwr1w;eh fzz4yka61up jnly 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 too xmn6, to2 zdy 7i5e-umshort from front to back, this gives rise to a vision d5n6x di 2-mteoy ,mzu7efect that 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 a magdne (uepul67f bo: g/-9f pn.cnifying 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 astrono 0*cj,iuox hyj4uepif ll)(4 2mical telesul j2)ox4l*ic e u4jiphf,(y0cope 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 tor3 ggt q;j a:jt:75maelescope. Suppose an opaque screen is placed in front of the lower g :ja5atro 3q7:jg;tmhalf 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 sensitivity thre7en*t af*+r6mvg9w c x6y w6zug e/ dl68xx-noughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of we lun zc -enexfwy/ *xm6tg* +v8x6 9g7ad6r6the 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 haa9q.lg.g pgw l//*sasd.ou zf)s f.;ys 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 expect to be able to see the g 2zxzon:ia.;n.dwb k+reatest detail when usio.kz;d baxn.2 i:n +wzng 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 ft 7.m zfclr-4alcp ,xg4qfm o7g93+ie 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 from0j ;/)wy) extk+*ragpkkq kx5chip*. nu5 q(n

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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 refers0* *v 4:mktc l;mljr0mg:bpf u 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, what happens to its resolv -eno5.w / )t;*jlxp.ywb jrdzing power assuming that all other factors remain unchanged? Its resl .r;w- x.ojtbj dpn)5ew*/yzolving 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 ley alvdd1/e.js ,,fvs. ns (in diopters) will allow this person to see distant objects cle a./ysdd,,j1 .felvvs arly?

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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 hy32 epajf62 p70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of thj2ph32f6p aey e 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 letx(u 4bwlkm;/p2 pnb/nses have power of -0.15 D. What is the person's far point if the gl;/ bp2luk/bm p( 4tnwxasses 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 ckp8*+,v1yl v2ymsi i99mepn for farsightedness where the uncorrected near point is*ne ykv 1 p im89im,vsp+l9cy2 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 b, psi0cf eo(ax ut9(;places reading glasses close to her eyes, and with them she can ufb,i;90ocseap x( t (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 nepc8y-s6/5pc ks +esqz 5vsnb+wspaper held 25 cm from his eyes, if he wears glasses os+ zbes pqcspn cy5vsk+6/5-8 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 has ujl f-eq pt51zyn(/1ya focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of theyuq51jp 1f e nzt/y(l- 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 leng0ur*wng z.f-pcqt +m ;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 are focused at their near p. f;zqg-mu +*wtnp0r coint?

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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/*x if2sm 6wmy of 7.0 cm. What is the magnification if the image is viewed by f6x/2mw s*imya 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.d(zpv iw h+x0ng0 p/c cm as a magnifying glass. What is the (0 .0dpgzpwvih +x nc/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 convergihix+p 4z t/,eung lens of focal length 5.0 cm as a magnifying glass. What is the magnificati e z/+xth4,upion 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,uf7h -r.w-x7qf/d 6ye ner d9k 4.0 cm, 8.0 cm, and 16.0 cm. If you were to-kr n/yweeq.ud hxff -76 rd97 use any 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 krg7+qtafk h; 4e;ptx ;j-mw*m, 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 m7rt*fkwagt ;+m h p4e;k;qxj -aximum 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 length of 200 cm and its eyepiece 6xm-: na(fk8bd p4lpl has a focal lengt8pdx- :kfnp64 (lam blh 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 telescopf.ex((yn yxxchg4 uw.h 0l *4ie with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the wif4 g.nh*xyxu 0(h.lx(e4yc 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 astronomi,epjv :7hwb;dth: ,d :iqsqa2cal telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resultingt2 ,d:sqvwhh:ipb ae :;dq,j7 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 f;(fu(5 5m0lwyqbq7f b) kifm telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objew7fqfmq0m ( f5 lub(k;f )iy5bctive?

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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 focaljz* 64pi6yadi g v+egp /inj sy(3/1jr 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. How far apart are t v(gdjina64ie+/yg*j6 rpjps/y 3i1zhe 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 lenre89rv+e p j-a+cf-r; sw9cxy gth 1.4 mm and an eyepiece of focal e;j x yrv c+erfr99sp- -8+waclength 20 mm, adjusted for minimum eyestrain. A blood 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 microscopeej8u(y (dbsgw u3yh v:ii/9 7v 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 isbjs( 78uiey9vw u3hg:/y vi(d 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 objgf28epn 3a)op a3 sdep r0k,f5ective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificatg 3p0)p r8k s32eenod5faf,p aion 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 separaty,jc;nkj8o0wi2 t-nl0 m7rj uvrj 0o:ion 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 the t2ojr lkjic8;7, -00 rwnjynuo0 mv:tjwo 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 su6bwr)w *s,/aitto/i )/kkjto resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of/wi s/ t,ak trij /)6s*)ukobw 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 mcta8(4 gz(:fu 7m jt6i)a hxkdm to 1.5 mm as the illumination is increased. Byzhtdc: a m4i(t )u7gk(6j8axf 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 orbit j-cn5p7 +85f dyqxugqby the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 5 -g7q y8upf+ ndjc5xqnm?

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