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习题练习：Physics Unit25: Optical Instruments
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 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 cameez0k4g 8bfb8swebtqk+ +(h( t ra is determined by th(8bwk4+f htezsbb ek+( gqt0 8e

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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 th1prk8 k. fmygyv3- .khe 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 dis6pm1gb m*,nzb tance may be varied by sliding the lens forward or b1npg ,m*6mbz backward with respect 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 film with a field of view that corresponds approxih uj, +j5xyu8imately to that of normal h5,j y+j8xuiu 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 referrerdd cwzy4sf079ka , c8j29v-tyib6 oq d 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 fpou m354 x4itrilm with a wider field of view than that of the eye and through which objects appear smallep3i 544omuxrt r 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 differen,c6 t,lo:2cwd4f 0gwo clcs.ut 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 thi;m.l8it, 4: iarv lhk6xcqx6e 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 sez9 1x4)gntx zae 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 pmv)wjc lx )l8y5 ik/8objects 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 back, the person is likely to sucen(3 qxhxt8 759 o,gjwxe2gbffec2xbnt eq7 jex(h5wggx3o8 9 ,r 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 correcte1)2 ijel3a ;s73trajzziidy *d 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, twrsi( 5z*2nqihis gives rise to a vision d qnr5(izsi*2w efect that 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 shoi(yxq(b zp0, lrt from front to back, the person is likely to suffer from(i,(p lyxqz0b

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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 correctto:2d hwg4my +ed 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 visw3lqz n, f-a cz d:q)8o:2ofdsion de-zdn)2q3z so c qd,awf:8of:lfect 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 m(ajj: 6zqd+7 ul9qa5q pw;fkm7dxiv(agnifying 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 diameturf6c143;ath -h) ejv2b wahner objective in an astronomical telesc4h 1hctew f;abh 3aj6v-2 nur)ope 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 rq 2.)gi4fd po szp;l5kefracting telescope. Suppose an opaque screen is placed in front of the lower half of the objec)fpq 4o2gd l pz5i.k;stive 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 throughout the visible spectctnx v 6 by8786r0sshdrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The8ybhcsvn xr68t 706d s 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 hasm 6mre9kozu 5/ezq: n9x-y8p k 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 greatest detail whevhr2 ngfsny/sv3 f(. q 9bs6 nb6d:ou3n using a microscuh3ngf9bsdv6/.6v fy r q(n:sn2bo 3sope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frmn-4khr7-2of e( souu om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffg szh -ksxi *2sj-. ,cw0nk1uaer 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 microscope refers tu8vm( itnie f,d wp+ao31+i 3xo 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, +, . auuaf 9 jqbg:5*-bgevldkwhat happens to its resolving power assuming that all other fact j :bdku-v,g f+eg* qu5l9aab.ors 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 xq dbdt,+*5o-5o5vkqht )plhws ,1ci of 18 cm. What lens (in diopters) will allow this person to d5-di)tqh5shovxo+*k t1, c5wb pql, 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 8s5pr hags db0w 2;pf)cm away. What power of lens should be prescribed if f a)8rph2psgswdb0;5 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 ha t5iflc.tqoq- pcw)+ 3ve power of -0.15 D. What is the person's far point if the glasses are very clospci-ql 5fw+.t3ct qo)e 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 ,9pyn 3th1 qua1pqr (kw-3qpr to correct for farsightedness where the uncorrected near pointr qukp 9q,tyn(3 3p-w1rqhp 1a 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 is 100 cm. She places reading glasse,bb kafj ezs c9 2-+cct;0(oqg-v j4hps close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is rhqf2bgc sj k 4-9,z0p b;vce+ co(t-ajequired?

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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 heldu 84sbl1u rbt, 25 cm from his eyes, if he wears glassess1uu b, btl84r 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 length2u1xt r9q xl u,tqonu-e)8*hp p7gkzql uo:1: of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that p u:l9qn:euh t,xxpu-ur1q z 87glqotk21) *operson 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 10 cm. A person has a near point of 25 tni0*wokfq0eh8 )3 r fcm. What iiew*0ft3o n )f 0h8qrks the magnification 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 le)+ tcy9 w7zomhn ;;n emcnnm*k(1m.zcngth of 7.0 cm. What is the magnification if the imagc(wny;m.z7me 9m nt ncn1;hmzk+o* )ce 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 lens of foc 2na99egt.us yal length 5.0 cm as a magnifying glass. What is the maximum possible t9ua.9esngy2 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 converging lens of focal length 5.0 cm as a magnifying glass. ce: ::bl:f64bq y p 4midtkhh5-t hex.What is the magnification if the perx 4d-bh6hyt:iet:m:hq:. l 54bcfkp eson'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 lgtdv7e ix,z8+1vnnxe9vi 4 8uenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. vznd 1uvxix7 8t 98n4e eig,+vIf you were to 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 cm, 4.0 cm,/gx6ac )+on0m r9e tgm 8.0 cm, and 16 cm. If you were to use any two of theseg960m n)xomtc ga+/re lenses 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 length of 200 cm and its eyr fzcg7nv*z0y 1+eht*epiece has a focal length cytz*zn1g0 7rvfh e* +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 aiy - hfdi+r/:,6fxvwostronomical telescope with a magnification of 10. If the telescope has a converging lens of focalh: fo/i xri6f ywv+,d- 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 mdb 8*us42usvyhk 0c :uh y,q(kagnification of 10. If the telescope has a converging lens of focal length 50 cmv bhyu4hy0dk8k ,s2uq: c* su(, 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 th 4-2 8m*j ddtjdo)gk:h 1fpimpxk/z.we telescope is limited to a length ofmw:d4 o8 ) .hg i2j- dtx1kd*kfzp/mpj 20 cm, what is the approximate 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 ovh-t gxvpy0y(,hg2d+p np1(g f focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. - 0h2gh ypg1vnpdt( xy,pg+(vA 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 eyepiecvyzwf43:n lj)*wdq l 5.o 1euc(mu c*me of focal length 20 mm, adjusted for minimum eco j )m35*l1qf:vcw(nwd yl.4u* ezmu yestrain. 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 length of 3.(xl7c9st gsg4 00 mm and an eyepiece of focal length 6.00 cm. If th9t 4cxls 7gs(ge 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 foc.g jl7udxr.f:ib*b(jal length of 8.0 mm. li:uxj.bgb*(drf7 . jWhat is the focal 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 the co9e60 ai1 6 sa yr0v8+eodsuetfnstellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is + 0 ao9us dif0ry tee6s6vea81the 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 2l)q6 wyws3im a8f0mxqc4rm 1 resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what iqw m1 m0w qm4x863sf )rlia2ycs 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 ) j9sozjt .;ur9kgr sg16oiu (the illumination is increased. By what factor does the minimum angle oju9usi1s jk)gor gro.z( 96t;f 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 b *hr yqrs(u9:eeen placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is s y(qr*:rh9eu 500 nm?

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