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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 it-silz;sw,o ( ,x9.t)graqt bs exposed in a camera is dettixsrgbw , 9o,z; a.tt-)s(qlermined 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 i 5t bz*enw9mm:-;(l-j9s p w-axorpi bn 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 b m rzsqxc7pl hnu5h+z3,/e()lens-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 picture is ob zn mb(7z3 ul)rxh5hspc/ q+,etained, 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 vi+a4- )maz aywnjx93qpew that corresponds approximately to that of normal vision is referred toypn9aa+x -)3zqa 4jwm 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 te :*l d+gc21/h)nh/i ,q ure.qpweicujlescope to magnify images 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 withq9j)xl3 ro km.min2xc)ej *t3 a wider field of view than that of the eye and through which objectm2o ci m xk)txej33qrn9j ).l*s 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 fwb ces 3vn -w/xx+(5fthe 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 by the eye occur*-tk lzy*xy-ys 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 objects cc4jk +m4ae/n xlearly 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 o m1xwmac v2nh m.3wdrf 7:uw4,bjects 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:nltww+nj 1 r1v 2vkbyg :hs:* long from front to back, the person is likely to suffer:11vy vkw:tnjbg:2s + r*lwn h from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can c 2 ,:6ezsc/5rnnillfh -oic2usually 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 is4q zeccq/,f4up l6; yp j.qi) )cwas.f too long from front to back, this gives rise to a vision defect th.zcqcpl 4qc6q)p) f y u,fwa.i4e;/sj at 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 to back, the person is likel 0hg (53ttoabs3(.bd qnkmc*g y to sgn(gbcb*.5ta3q3htkso (m 0 duffer 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 mbn) 9hxdvj./n6po+4q-cry ycorrected 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 a vs 2 /l7f3d. rsdwwmw;yision defect that can dd;. 2wfy rw s7lwm/s3be 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 magnifyingxbcig3tjf y zu14/ +tdx -.d(j 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 objechr srm9 dw)l*,tive in an astronomical terdw lhmr9s *,)lescope 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. Supuy8q .e:q y9rs9 4xceupose an opaque screen is placed in front of the lower half of the objective lens. .y :exc98qr9yeq 4usu 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 throughout the visiblc+yka2 6v8 vgpfh2,ag 6,vf c;e8 ufsse spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to apua,s62s ;8g86fghy kecvv,vcff + 2is 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,/p,wc2pu gaz as 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 s5has0njk- e9+th t, gyou expect to be able to see the greatest detail when us0gnske +5t9ajh-s t,h ing 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 x-04rbj )1 qrptxgs.nfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff pj.e.g8,)igyeih al4er 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 mic8k; /wvauobw)odki q -vx. l5l1: pjd/roscope 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, 6sf9g5ix1ximtb8m:nj.i ) s k. rh*rlwhat happens to its resolving power assuming that all othexg 1t.rjn.59fs rsxm lk:8ii* imh)b 6r factors remain 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 person has a far point of 18 cm. What lens ( v9mf4nx hrypd 4o,sqe )u+nw4dcr7u)tn w( -+in diopters) will allow this person , wnf7tu)4wv-h+ )x49n(c p nodeq4ud+s rymrto 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 away. What power of lens)pjcwpw s( p*5u(sx mz; gemb*+m8g 9z should be prescribedm5;zsz *(bp m+wp)u w*sej(g 98c gxmp 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 wears glasses whose lenses have power of -0t/pp 7 k,em iy0jias,zirxd,)8/ n9st.15 D. What is the person's far pi7/tz,t 9xyik ppar) nj /e,sim80ds, oint 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 correctm1n ohyz i59.i for farsightedness where the uncorrected near point .onyz 91hmi5iis 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 readi7bx7wbfu .vb: 7ihi)f ng glasses close to her eyes, and with them she can comfortably read a newspa:ibhwb 7b . vi7ux)7ffper 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 5-h*-tjaf l gjd/9ek3+vfkefcm from his eyes, if he wears g ekd+l v/h-jjgf f9*fk5a3 e-tlasses 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 of 10 cm. A person ha 1;sqxxx,a 6vis a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focus xiv;x6xsa,1 qed 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 kw2e9trjc )),)t*kqu8thsxxcm. A person has a near point of 25 cm. What is the magnification of the lens for that per9 r tktx) swq)2*hec,x) jtu8kson 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 length of 7.0 cm. What is the magnification iwbv qlq;,pn06s8taw0f the imp0s6t8;vwwq0 nb laq, age 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 lc8rz fv3:hzjsz4h, i mcvon3;9 wjc-0 ens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnificativmccc8zzh w0oj 9 ;-hv sn3f,rzj34i:on?

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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. w4* t4a/b s9;zqla asuWhat is the magnification if 4 l;aawb*9uzt/a q ss4the 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 h oun2kvy(2n13yl3 3n +dskysd*zzh 6, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to us 32 yh o1z hy(+k*dun63d 2znkvsl3nyse 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 lengk:n fbk,/n f291+gq yi bkdmd/ths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lensdyb n+k9d//gk2qmfkn:i bf 1,es to build a telescope, what is the lens 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 a focal lew fjssxvb(+8su3yk4,v 1 j n*nngth of 200 cm and its eyepiece has a focal*+jwysvxn8 k,s3(f41nvuj sb 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 ast;f7vtp,gtle* iixv:gfx* 7l5i g pv7: ronomical telescope with a magnification of 10. If tipgg**xgv7 iv7::el 7,xpitlt fv;5 fhe telescope has a 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. I0 bgq 8lf lekn97z e8g.aofl3u9oo81e f thel o3gonuzl ol8ef8bg01.e 9ae fkq978 telescope has a converging lens of 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 5a +7w*nj2iq nbuciu110X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal1i7acbq52 * +nuwi nuj 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 fo- )rg4pg 0cbcn1w8km m48 kbszcal length 1.4 mm and an eyepiece of focal lwmg)gnmspk -1k cz 448c8b0brength 20 mm, adjusted 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 objective lens of focal length 1.4 mm and an eyepiece of 8plzk*n t4fvz,e:k )0lsawb-focal length 20 mm, adjusted for minimum eyestrain. A blok-0at:l8* v)pbzfz,4 knlw esod 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 length of 3.00 mm and an0 o)o8z 7+zvut;z wvm4bi3h lu eyepiece of focal length 6.00 cm. If the two lenses are separ 7v3) zuou8wi moz;l4b0hzvt+ated 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 - (2to-dap m)6/w-b vw qvthri18-cm barrel and an objective with a focal length of 8.0 mm. What is the focalv)pdhm( -wvtb2o-wr/i- q ta6 length 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 thewy-9, nu5.cfi 2q ptpajl66hk 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 j2.9n hc,taikpj 6fpuy l5q-6wust 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 are 0.010 mm au6ajbo/yd z9w 41 9golpart. If the focal length of the objective idba4l9 guo/6 zo1wy j9s 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 as the ahdzc5x3 kn3)1hbu1qxil ./y illumination is increased. By what factor does the minimum angle of resolution c33z/d.cbu xah h115y nqk l)ixhange?

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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 Hubbxzx/x4ou0d 920jt kjale Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if t9tx0xxa jjd ukz02/4o he wavelength is 500 nm?

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