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习题练习：Physics Unit25: Optical Instruments
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 作者: admin  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 thebdmha 7a3 11ce shutter is open and the film is exposed in a camera is determined by th 7dmcea 3ah1b1e

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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 reachiz (9 qlzz:0n,*kqj3u.sto nzpng 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 distance may be varied by lom7u ezd6d2+sliding the lens forward or backward with r6zl2demou d7 +espect 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 w;go 42(jsyj c:p.qhxbith a field of view that corresponds approximatelyjq4h b2gx:ocps .j; (y to that of normal 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 k6t1loi9,dcq 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 wivsq6d6 1xj. 2lah mt0wder field of view than that of the eye and through which objects appear small0t xj2hwl. va16qs6mder 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 t/ay1-7owu mlyhe 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 light8d; cdu0 u((aq1a xrcov 1ryp: 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 which an eye can see objectmi-p-m mwby9*kw0zca ta) :m 5s 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 atgq112jal,.nl0 d/uhxy (lpt a 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 back,m k;29hzoeliia1y h3 8 the person is likely to suffer z3iok8ia hh 2yeml9;1 from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuj/ fi pj)ce,l:ally 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 enmtt- cf3+b )to a vision dn)cbme+t -t3fefect 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 short from r :(0p *xrcc5cc5ssni gn,2rdg1p,n a front to back, the person is likely to suffer frgssc25nnp1a gcd, np crx(ic*5r,:0 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 correy*9:v dtew3r.w/cm-bxgtb 0fcted 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 shortph6sl)nq1p6.o,6giu fa l7p m 4hrt1wlug;c1 from front to back, this gives rise to a vision de phluppr f6i 1;gcw) un6oa17shg6., t4lmq1lfect 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 glaspulnpt.d-m+ : +jliw 6dbxa94s?

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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 astronomicalndb08tw / w0qd telescope isnb0 wqd t8dw0/

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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. Suppos;b n7. hk)5v) udrarays*(g jb3fuj5)ajd -zme an opaque screen is placed in front of the lower half of the objective lens. Wha j. a5- m;s yvnka)dj53f*)(bg j drazbur)h7ut 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 visibl y/js (mcjy6g1ik. dj iprs)2;e 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 the tyc1i6)gp /2ym(jjjrskds. ;i elescope 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 hl)kfvroxe;+o- s mh)6as 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 grea8+ y7m3 oo(s t1hoyl ng3+bmxwdzyw;-test detail when using a mi3x3owy o(t1 y+os m-+mn78l b;g zhwydcroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromvruara6b;78u ;4saff pb qw09

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffw0 ao -vnv sk48+k(egmhu o0r6er 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 to the jlq1u8 lrq0z 4hup,11w) mycbability 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 happen6 ,q wngzfq2+ni :(sldn/ 2xogs to its resolving power assuming that all other factors remain unchanged? Its resolving pow2s 6lwz onq:/ dqfg+ixn2 ,(nger

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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 po/e2 z iubml1z-int of 18 cm. What lens (in diopters) will allow this person1zzmi b/eul -2 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 clearlha 4v*)l w ;9bi9nnfzwy objects more than 70.0 cm away. What power of lens should be prescribed if thi9nblnhwafz ;9 v)*w4e 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 d-qr ( fh8ovo.wears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses areo-vdrfqh.o8 ( 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 +,i(nf s5lvrb to correct for farsightedness where the uncorrected near pointi,(bs5vn rl +f 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 re)m(zs*ixaq b rt,zqo6895e e hading glasses close to her eyes, and with th(5 9z6a,z qr)*i mqtbsex 8eohem she can 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 newspaper held 25 cm from his eyes, if he wea vu6t3h 8oxdrxs/-sv4 i7hxk8 rs glasses ofv k hv7d/hxt6 ox8s8iur3s4x-
+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 has a near point odixf d4q 3un19 oiyl1)f 25 cm. What is x)3inlfiy4qu119 dod the magnification 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 10 cm. A pch99.a -b1dq lz:5lktor ,ityerson has a near point of 25 cm. What is the magnification of the lens for thtl1,qclb5 hk ry9.a: it-dz9oat 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 lengthm7zvi: 6 pyacw,2p+ p rz-d;fogce ;m- of 7.0 cm. What is the magnification if the image is viewed byz-dr;e,6;2zc:+ i-mwp vfmp7c ygp o a 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 focal length 5.0 cm as b1c +odar3 /*os38sdtm2qhuq a magnifying glass. What is the maximum possible magni/1rssoq 3ch o83 md2q*adt+b ufication?

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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 fo 9gt7)yvm. vkecal length 5.0 cm as a magnifying glass. What is the magnifievmg y.7)vtk9 cation 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 6rv*2/ ,bc/zz( k1 fecsto6kjmoqu)b cm, 8.0 cm, and 16.0 cm. If you were to usmoefkj/ z q,c()cb to*16zrv/ ksbu 26e 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 focpa *da1kf:y7d j*3k: v8 nilf f;2mtzjal lengths 2.0 cm, 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 maximum magnification tele afi:k fdzn;7d2t8 : l13vmk fjj*pya*scope?

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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 teljea-u z 4l5cl-escope has a focal length of 200 cm and its eyepiece has a focaal z5-4jl-ecul 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 wiog7p 88*w efydth a magnification of 10. If th88o yfg*epwd7e 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. I vrrk r;ei6/u(f the telescope has a converging lens of focal ;irk /r6u erv(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 10X telescope. If the telescope is limited to a lener gaj7gr.+y /jf8+ bugth of 20 cm, what is the a.ba 7rjuye8 fgj/+g+rpproximate 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 ( y: jcqgvce8njc7t 7: y8d)hiv7myo( of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjuyy:gq 7j:dv)yhci e m(j 8o7c7n 8vt(csted 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 1.4opd)czn-iyx7) 4g5v j mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 my4ip) 7c)dn5 ox j-zvgm 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 microscopynb0j5) avh -/;0wzf pyf3fk ne has an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 0yn nv wa ;hp0ff5fz 3jbk)-/ycm. 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 vtvf hit6 ;k ,0ufgfy91 2pw,hobjective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification , wv1gt 90,y6fh;hkvuffip t2 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 a)as 8nwr,+ 1/jasusr lngular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest, +us ls1j8 )an/arwrs 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 designh:dq u6fh3 (fcgnwb. :ed to 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 is the diwgfdh :(6u: hbnq.3cfameter 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 from3.k*;hn ) -xc4q7rul ia0qae xt5 hxbz a diameter of 3.5 mm to 1.5 mm as the illui)azlq3h. r;txe5-*7a x knb0xchuq 4 mination is increased. By 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 onx+i- x2 jynj-rbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is xy-j-xn2jn+ i500 nm?

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