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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 film is expos gwk 83y:faz(jed in a camera is dete 3f(gw:ja 8ykzrmined 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 reachingv .bx m zm)d 18xst j7+sbraywg/244cg 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 distaggmsz e;wfw*4q ( e46tt r,4jwnce may be varied by sliding the lens forward or backward with respect wg;r(es44ewqjgfwz 6t4 t,m*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 the film9p:tbp: + gz zy:6v2/na)rxeffp5cp u with a field of view that corresponds approximately to that of norm5 u 2: vbpa:xp/rt ez fz)fg96+ypcn:pal 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 images is referred to as ngxck93m6gqa 6*p: wja

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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 thek 0zi/b emqbd3eod30 ; film with a wider field of view than that of the eye and through which objects appear smaller is referrieo3zd0e 3q ;0kbm db/ed 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 fjb0.-**fph s a(j rayhrom 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 light*hpa k8g4yjk(6vgr 0g 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 ; 2dd d7s7k1fukm*r(+byexb o at which 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 at which an eye can see objects clearly20*cxj xt r 1yjr7ytyv*/l(av 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 person is likely todcue2x /s) n4o suxu/nc) se 24doffer 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 c llgo-0hb9;5cranypo ; h-/pforrected 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 frns)1fht1s - wzont to back, this gives rise to a vision defect that can be corrswt) 1 hfs1zn-ected 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 toog 8jdol(yj0/ l short from front to back, the person is likely to suf0djjylgl o (8/fer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usual*k,:)enage qpb 3*c/6q n fggsly 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.r;*0f p ii:ot cwghvm4rw1 3oo short from front to back, this gives rise to a vision defect that can be correctedtmrriv:.wio01oc f h wp g*4;3 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 ef- tp3wr/*odg*s nloam58u.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 astronomiw a.ha /yw ub7n-q3r*jcal t* y nrb-q a/ww3ja7u.helescope 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. Suppose an opaquer8h ds fbu-wb,g9 qzrbhlm.6i sp4,(; screen is placed in front of the lower half of the objective lens. What effect will this havefb s .-pg, ;b h4uirdrshl9w(,q mb8z6?

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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 unifor pfe1:h,*vvg)t o8ufl m sensitivity throughout the visible spectrum, in which of the eo 1vfpg h:*vfu l8t,)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 magnifics (5cfd, o//p edkj(j 2a1kysration $m$. 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 greatest detbvy9t 2 c-sm:x h6xgj0ail when using a microscopec29-0mysjb x6tv x hg:?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frouj (aar s7ef5-hhu+*w-rp qw s;8gi h-m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer i *uc9cxszw5onc* w, :from

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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 microscopeheb nn/h9av(vrj3 +j1))jknu 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, whatst+3en*.yk 4mxqi1c c happens to its resolving power assuming that all other factors remain unchangede3qc *kiynm1 xct.s 4+? 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. What lt3)jb;lm7h ktf( ,3bqg tgg,tens (in diopters) will allow this person to see distant objects clearly73jg k3t)bt gltbf,g ;(,h tmq?

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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 away. Wh5/qshusyxs i+ 7jxp; u; im8(bat power of lens should be prescribed if 5uhs;7s8;yxq jxmiib +( up/s 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 glasses whose lenses havem:ek2w 2ph1 xu power of -0.15 D. What is the person's far point if the glassexe2p: kwm uh12s 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 farstfihx q:og(2 )ightedness where the uncorrected near pointi)xqt 2g:hf (o 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 person kaa2b5sm: e.naewb 1( is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably reaa.bm w:n es5a(b 1kae2d 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 c4(u 6gyn2c(lc9x xhad m from his eyes, if he wears glasses y 2(9a gx6hld(4n cxucof
+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 zm.up79nr+/ cg7(pzsfvkgsh g * zh. ,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 vh*(f 7sm7 /.g ,+zcpghnrp.zs 9u kgzeyes 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 person9)03 ejoh8)i g1jqb3qcry nxn has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at theer3qnjg x8bc)ohnq i9j1)3y0ir 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. Wht8 7wl604zmpfss9/dm /tnuca5e v wx:at is the magnification if the image is 96tm/ 4:5mnxzfcw/ de7vsw0 lt8usapviewed 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 jgezfvfe-: f54yf:-n focal length 5.0 cm as a magnifying glass. What is the maximum possible magnificat y5fej:f-: -4v fgznfeion?

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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. k4kgz -+spfs) What is the kg4sz+-ksf p)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, and 16vlfpik2t*ob7 x74sj *g0bo vm*o*ny 5.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnnyoi4*ljo**tvp20 xvo k bb7gm 7f5 s*ification 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 n-4s razt2c)c 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 maximum m24an c)ctz- rsagnification 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 ((4 ysbaz kew1length of 200 cm and its eyepiece has a focal length ofzk4ew (yb sa(1
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 magnification yag*o l1h zsa;g/s +z3s+vd5 rof 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiece? + * srza yh/vdg3a;sl5o+gzs1

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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 twsk *f(px(u 0 y(vnyqj+zg )+8rvl;l delescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lef0w u) kvz*;8xlvgq( dyy+rsp(n+(jlngth 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 teless4.a2uqmexs 6 tnfgtb8dj z)(,2.rdh cope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the o2j (t uqxf6)2t dsrnd.gb,s8 zamh.e4bjective?

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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 euws. irmu wm;ulwxs*45 a +y;5yepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is p;lyxw *;w5ursauw5. siu+ mm 4laced 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 focal length 1.4 m;ebyw 0w2;mnjcb h- z:m and an eyepiece of focal length 20 mm, adjustebwbhwjn;- mc 02z ;e:yd 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 microscope has an objective with a focal /diqvd -*7obx k9 eg:ulength of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated /duk 7o*dqi 9x-gv:beby 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 focawgg z7y4nae ee 537o33qv f:lnl length of 8.0 mm. What is the focal length of the eyepiece to give a total magnifiqyfw4 73 7a3eeng o 5:zeg3lnvcation 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 haskdk 43 c:ndc4o an angular separation of 10-5 rad. kok 3dndc4:c 4If 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 resosut.bo+, . g(pzbe k8clve objects which are 0.010 mm apart. If the focal length oec.zk (+ bs ,.op8tbugf 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 1.5 mm ezh0chq 2r)aba+6b a7as the illumination is increased. By what factor does the minimum angle of resolutio)r 0zbaq+ca ea2 hh76bn 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 Tz n(wsz 6zza99elescope has been placed into Earth orbit by the space shuttle. What angular resa9nz z69z(s wzolution could this telescope achieve if the wavelength is 500 nm?

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