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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 shutter is open and the filti3 uw z4 wc)tk5 lh7pzf)za-8m is exposed in a camera is determined byu)kz ti waw 8 3czfpt4l-75h)z 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 came l6wga/+b/cv8j4oj6m x -nq:j lkm0 knra 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 len::zd+h l;(bh*avc; r s djngi.s-film distance may be varied by sliding the lens forward or backward with respect tzi:; bh*lc( .;dgnrvjsah d +:o 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 g*ou uo0m7p gdow62m9the film with a field of view that corresponds approximately to that of nmgmuo0o7u gd2o96w*pormal 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 magnif ).b+s/ nzk (uoqyfoz(y 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 with a wider field of vi,shtpdc32 cg4 ew than that of the eye and through which objects appeatg hp,2d 4cs3cr 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 differenwo3j1( j,ffxlz p3sy6t 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 light by the eye occurs at tgfy*7g d/, 9o1jlfyi v mr(qp m28scv7he

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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 xagu t,2 :tdlu,35rbnw ,y2r;fef*vr 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 cle683aq6n nothqarly 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 loyd )e+yv 2v1(9aeqhxj ng from front to back, the person is likely to suffexyhy 1)ajveq2 v e+(9dr from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usteh15- mvb gdic+0 :3 tdsma2nually 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 back, this gives rise t *ig*p ggy.wv** yndv;o a vision defect that can be corrected by u**yy dwgg*vnv.g; i*psing

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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 eyebal 1i8xjxz,khg8 l is too short from front to back, the person is likely to suffer fk8j8ixg h1,zx rom

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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 c;d 1yv. x50rfsr(a5qgg1h/ 7nvllsqjorrected 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 visiol)uvs0lip 2h0 n defiluhp) ls200 vect 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 magnifying g ywc(kun eppx60dq+j29q f-ty4j0 vh9lass?

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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 diamex5185nn evqk bter objective in an astronomical tx585vqn1b kne elescope 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 ow*hr jvcfpc9dvp9-+ t3 k6 x6 b)qf+pba(aau0 paque screen is placed in front c+ppf+uvq-( k a )9 j90*adpxb6t3chwfa v6 rbof 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 unim .n56o4b mlldform sensitivity throughout the visible spectrum, in which of the following cases woulmb.d lol6n5 m4d 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 magnificzp;y0phq2yupa7- rs9 ation $m$. 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 l t d7/wiopr:cxj 2.)jbe able to see the greatest detail when using a microsco) /itwojdp7:r2.l jxc pe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromit-ee (evpg85

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer rp09gfsmiut* 5:c) eyfrom

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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 a f.f(sxj. -1iz/ x79-hpyc wyem rifg3bility 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 gy7k 3,rmg3 ahresolving power assuming that all other factors remain unchanged? Its resolving pokh7yagmg ,r33 wer

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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 o:/7)u0ri9qouash3qopx 1v-zhx 0iqtq-: gc xf 18 cm. What lens (in diopters) will allow thisvxa7:xuq uqo9-3z g-:ho ) 0is rhx/1pi q0qct person 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 cm away. What power of /t.tf g5 plto2crvl42 lens should be prescribed if the glass is to be worn 1.00 cm in front olgof5t2p2 .t /vtrl4cf 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 riarc+l: 7* haglasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are v7 rra ih:ac*l+ery 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 uncorrected nejo;p(: rup (zisr 0t;far point is 75 c(0orftpi;s uzpj :;r (m?

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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 farsightedxvd6 y,:ar:ptn6f v/o person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably r:d6vat/v: py xr6fn,oead 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 cm from his eyes,w, :o)i/g+ i5z oyftyi if he wears glasses o +tgiy z:5 /o,ii)ywfof
+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 pers,nfr0 ; kgwo llzom;.zh k+g;0on has a near point of 25 cm. What is the magnificakh nfzzr0o .l g,;lko;0m;g+wtion of the 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 length of yhp-ung2of1 w i/k9r, 10 cm. A person has a near point of 25 cm. What is the ma gko-9,y/21ruhnw pifgnification 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 has a focal ltpewzu3n,m31qle)wu7a f 2l .ip8nnkoh(6 3vength of 7.0 cm. What is the magnification if the image is viewed n nh p. wnlf6) vw, z33ktlm1qpeu3o(e27ui8 aby 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 f y//vxosx10z*mp a,gu ocal length 5.0 cm as a magnifying glass. What is the max/*zxp, / 0mavxs ygou1imum 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 convergi7doi(y a8hele dip5 . t+0pzk*ng lens of focal length 5.0 cm as a magnifying glass. What is the magnl( dp0.+z*8 y ed75 otihpeakiification 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 le,) p02tilx.;oz; tz lsqxk ,wpd+tb0 kngths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to usebpp xwldq;zki ,ktx0s;tl20+z o ,).t 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 cm, 4.0 cm, 8.0 cm6z/7.ufzr bavy* ( ovd+bha7y, 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 magnification telescopv +.7u(h*fz76o by/ azr vadybe?

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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 h r.2gp7cf3tb fas a focal length of 200 cm and its eyepiece has a f7fbft2r. 3gc pocal 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 magnification of 1 1z qqz5 utur4wvm ijopy)01/10. If the telescope has aw41oup1 ruziqqt/y )01m zj5v 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 mavu tjt6i*w z(1gnification of 10. If the telescope has a converging lens of focal length 50 cm1tz*ij uv w(t6, 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 telescope. If the telescope is limited to a ldl5 uw3j1dwtt,o8 7awength of 20 cm, what is the approwtw8,du 31d5ja w7lto ximate 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 length 1.4 mm and an eyepiece of fojm05fpk yjxt yz5+o 2+cal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 p2tj0j +mzyx k f5oy+5mm 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 objecti1 nd1fes-98ytj,2z( tdiqi upve lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyest1d2 tn9uspq18,i t yj(f- iezdrain. 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 hlh)m1kg8efrpgfpcq,0any0 5jic+ t88r (m0vas an objective with a focal length of 3.00 mm and an eyepiq+m 8ap, vihg) jgfle ycp1t kn0fr(5r 008mc8ece of focal length 6.00 cm. If the two lenses 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 f8uvky8blfk 2km+ vu5 0ocal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 2u8lbfvy2muk 5 k8k+0v 40?

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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 separation of 16s8f ct4s,qn q 6gp;us0-5 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 twsu6qcnq 6fg p t;s8s,4o 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 abtiwy.-o .a6ktbi * 52zzj 8ito resolve objects which are 0.010 mm apart. If the fzjbka5 -bw.z8yiioit6 2ta .*ocal 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 xgi46bon.ef* eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolu4o6xg fnbi *e.tion 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 intony73aks ray/ 9y1rsu, ksv 5.w Earth orbit by the./ yu rra1svyks53 9,nayksw 7 space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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