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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 thgy9nbclp iw7s4mw ; ;zv: iq :v:yo*8ee film is exposed in a camera is determined by7g8ycv*:n4l:; q p wbimz9e:w; ovs iy 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 camq**:4 rkild1nd+ hazy l74jftera 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 refleb n;k5ng g8;wvx camera the lens-film distance may be varied by sliding thevw8b5gg k;;nn lens forward or 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 approx 329whppqiov;bsr6hww8*l4 y ila: /fimately to that of normal vision i2;*siq folh9hrl6b pwv 4yi wa wp83:/s 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 535asa btuw6 ea

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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 view thanb3n9f ua1aeq ; that of the eye ;9a q3 ufanbe1and through which objects 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 differentj-p4lvmlx+1fl1.wo ,, z gq,vlyde) n 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 akf.jp)5myu6kyx w-9 of light 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 objects(oev)0ayngw i2u 9vue qy;90y 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:31ta2ofuw bu7 els 4e 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,b n; degdqd* aa)t0 hooo8h4/- the person is likely to sufqohbd;-ae8*) h otnd 4g0/adofer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallkv99v*gb,6 b4 u pf0jbo*cfrky 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 to a :d2csd1q3xr*lf 6/cn*px gk(f gidv7 vision defelqcxksg/r*dn: fpcd*xfv 37 gdi(6 2 1ct 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 front to back, th z7ukbq,0 hoep k3 5hlsrkrq2 9-ga8.ue person is likely to suffreb ho.508s7gkuu -9rkp q,3qkh 2zlaer 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 corrg.pt t6)/ikw qected 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 risl;0htilt0 c eo6os6s )e to a vision defect that can be corrected es ch60lt;)i t0 soo6lby 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 gl7rrc9 gtihdj g(e 68h-ass?

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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 objectqw:lby3. tjq/ ive in an astronomical telescope i/q q:bljw3 ty.s

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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 opaque9 ovqg: ;h4fhy screen is placed in front49;yhg oh vqf: of 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 uniform sensiti- uq bhatgw6 xgt)v379vity throughout the visible 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 objh6g tubv9-7q x)tgw3 aective 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 magnification0 j; nl(5xvpvo(zg y4n $m$. 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 +gsn 9r0p9rrac3 nj t3to be able to see the greatest detail when using a microsnjgrr9s cr3p+93at n0cope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer f+q( n*y1jr;/ wp:w6qzie s ueqrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fskmz5o q+bdh:dagf( : i -s5r:rom

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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 refe+7yu0ii d9) nmdp*jg srs 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, what happl:;*gdqb nqjke8t6n:yo7r v2 ens to its resolving power agq *v8t7;o:eq6 bjnn: kd rly2ssuming that all other 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 (in diopters)s(l6w*l vp1t1nowel6i3 us/ e will allow this person to see distant objup/l6oslew lwn*16sv3i1 e (tects 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 m34jcm t ; c1gxi;duueqa7* u;than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of jtgux uiuc3c*m de1;q7m;; a4the 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 g* ckim jip5r*v pk,0knkbz3*-lasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to0 3**pjvk,r5km nkp*k -zb cii 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 +d: 90cr tj;vt 2betbnto correct for farsightedness where the uncorrected near p +c n btjd2tve;:9btr0oint 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 reading4st58-ozfd-gc 6oi6lf 0l +ch:exqta1j+ hz h glasses close to her eyes, and with them she can comfortably read a newsp5z-: g4hjf s6eit lclc1o0-f x+8qatz do6+hhaper 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 froj b4ce-6o thk0m his eyes, if he wears glas4ejh c -bot0k6ses 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 has a near poinv mv6:c/is dok*b,fl+.ytu2 e t of 25 cm. Whatmklotcbi +.2u:/ *def ,6yv sv is 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 ayt8ge jm-*9 htbn9czg .5tdk; focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the l 89m5c tyb-hd g ;z*jke.ntg9tens 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 +)nmj *a1 a/sdtnm9jtngth of 7.0 cm. What is the magnification if the imageaatn+9j1m jn/ )tm s*d 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 convehtw9 z b2 m)*id;whw(zrging lens of focal length 5.0 cm as a magnifying glass. What is thdzh t mw;w(z )wib2h9*e maximum 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 converging lens of focalfc(5mz y k ,/uej5h7cz:fn8tt length 5.0 cm as a magnifying glass. What is the magnification te/zt ,7ku:hy85mc5c( fnfjz 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 /adm,;t av gt +sc9r:npp6 nvr( 0a9ulcm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any tw svnatp9;r u/6rlcd9ptnag m(: a,0 v+o 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 ofa3 jnnyd;w5 j0g2k g0.qh+bn z focal 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 maximum00z52y ;gnkqn d+wjg3h bj.an 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 hay* fvx4w*c*z8-)rcnbip k5 i tc3 q)avs a focal length of 200 cm and its eyepiece has a focal length of3a8bk* *f-5c4 i) qtxy vncivrc)z*wp
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 magnificat 7 ;gyo+ltz+ zwkt2f2aion of 10. If the telescope ha+ 2kg ;zfltowa2zy+7 ts 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 8(n+iia(sak q 5m,6n8ln gmeoastronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, whlng 68 mi( ka am+ins8o(qe5n,at 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 thetjp9*d05e w*lkd *vb r telescope is limited to a length of 20 cm, jl *5dtpkwrv de*b0*9 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 ln:1x v-7y ofglens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far aparvnf:g yx1l7 o-t 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 lengthte :k(..anvil 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is plac( akin:v.tl e.ed 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 ofbf o-ac41uj 1f 3.00 mm and an eyepiece of focal length 6.1co -4fjf u1ab00 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 ba,;tipjkobm e60ga +ei9z(.v u yj7l2hf;9 t vxrrel and an objective with a focal length of 8.0 mm. What is the focal ut0h jakiymv f( oziej7g ;2b9+ex.t6 p;v,9l 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 constellation Orion has an angular uau;9 dd6,:lgwa i vs4g1 6 hwass)g 5df*q8aaseparation of 10-5 rad. If the wavelengt8a 6ul 4 squga9g5;: daas hd*)giawfw16v,s dh 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 resolve objects which are 0.010 mm apar-3ty5+h+mw)jhw+ 4x md yqjbot. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of tjtoym+mq4j 3d bw+-x+h )5whyhe 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 x*i exj l q(s4 b.5uvq.tyi-w(of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimuyw5x4(xei.b qtu . s(lv-jqi *m 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 u ;9zd0c g/ twqd;nn*bfwst; 6into Earth orbit by the space shuttle. What angular resolution could this telesc;t ;fd;dt9* q sc zn/u60bnwwgope achieve if the wavelength is 500 nm?

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