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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 a1ys ad 5mq2rh:hyn+qy 9 isx:a m+y8:end the film is exposed in a camera is determined by qm+axe 59hiy1q hyya:ss rd8::2y n+mthe

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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 thp j:ft oj4 q: /-gyx20kai+sgme 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-fil 63q-zy caq/zcx .qyr6m distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picturzq 3q-cz r qyxy/6ca6.e 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 co j0h( 6sxr: m;. lgi 3 xtzo1+jzgde2qgc7wqu3vers the film with a field of view that corresponds approximately to that of normal vision is refwc (37;m:zlrdxj ziu 3 1 qhq6g2jxe.gt0s+goerred 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 teles g7sz0 8 t8k-jz6kydzjcope 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 with a wider field of view 3yyq,2pt(py ar8a j1 hthan that of the eye and tt81hra,ya p 3qy(p y2jhrough 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 dif ki miv7)qetfrw6 i3::ferent 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 avw 29z9exyiu1(8- ls3vpyylq ;dt k3at 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 waswtv(lan 3-s) 5nfx2 hich an eye can see 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 (fa.nxqj)+ vlyj +vn9 at 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, the person uj ip4;r) r*,mvccc8ilomj ,.is likely to suffer f; r4.c8pju)imj ,ro,ccim v*lrom

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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 cor7pt q- pkfcml,0g9a- hrected 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 1sdyjy1 7i vttf/7 r-ua vision defect that can be corrected b1 u tr-1v7tjsi7yf/d yy 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 backt;8 eqzr7f v8 t)jnnky,o9-qc, the person is likely to suffer ;qotq yv,8n)8-n cz79jt rek ffrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuyp/ 7te-8miuhewq- .yally be corrected 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, tqxqj+/ m*4 +jgaloo;rhis gives rise to a vision defect that can be correcteda lj++q/ ;g4qxmo*orj 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+:nr0rdw9 izdlass?

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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 okwl.0-jn 4dkds* x8um( (jzxgbjective in an astronomical telesc40ngjkwz- d u*(kd .jxxsl8(m 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 refracting telescope. Su:pc;0rn0gvmys f*m2 jppose an opaque screen is placed in front of the lower half of the objective lj 00rypcm fmn:gsv *2;ens. 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 through kjo1 8h ljn1+btya0c5out 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 objective lens of n18b0 k15 +jaojhl cytthe 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 tk -wf)kh 8/aahas 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 det:m8yu d*uvw5 wail when usi:mw8uy udv5*wng 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 suff2w; jknw rgp*s 9cdlg+jd70u 6er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffu +r+ x(:.(vhlp ro+ t1werxxoer 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 ability to+ osb; ndxeg1idkk*vuj e:(l7:ui 4n:

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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 handnjr- , ;ao/6o q+hchppens to its resolving power assuming that cj 6o do;/nh q,+nahr-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) wille y4y(6qmpf3dd 50kq bola 0todcc21 ; allow 061l24dqyk b e foccdmdt3aq0yp ; (o5this 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 pejng+g+u9 ur s+ wz()jower of lens should be prescribed if the glass is to be worn 1.00 cm in fr ujnj)(g+w++s zgur9eont 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 -0.15 D g-l-pt5pjey+t.efn 1z( fx-v . What is the pers (fptx -.ln-5-e zegvfy jt1p+on's far point 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 needey2-5f*ehamn o3cz. hvd to correct for farsightedness where the uncorrected near poiny5eh h a3cf.o*v-z n2mt 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 readi to:e9doe s.u+*v/h urng glasses close to her eyes, and with them she can comfortably re 9u+ .roos:/*e duvtehad 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 hel-*fy6axuws+6zme * y kd 25 cm from his eyes, if he wears glasses of+*mzux-ewky6a y6 sf*
+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. Aw4jfnjo; 0v v v*()egd person has a near point of 25 cm. What is the magnification of the lens for that persjwf je4gd*)v o ;n(0vvon 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 n5 exjyb v.sw.(ear point of 25 cm. What is the magnification of the lens for that person when . .w5x evsj(ybtheir 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 magnificibwm-tj9 p-bw q no097ation if the imagpbq9 -omwj0t iwb-n 97e 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 focn2**nd,7 vc 28gco oo u:htzebal length 5.0 cm as a magnifying glass. What is the maximum possible magnificazcd 7*nve2g,ub 2n: *chooot8tion?

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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 magnifying0 7x+ 9burojfz glass. What is the magnification if tf9jrxo0bu +7 zhe 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 b qi6+awl+m3dlengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. I++dlm3q bw6a if 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 2 eo8jq17u zw v1x by9l2yug.ga*:jpqof 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, j1gq72xj .uqz ea g:*8yl19owy2p ubvwhat 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 eyepiw0;cqhqxj ivn)j2t ( :ece has a focal lejw0jc)t;qhn( :xqvi2ngth 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 telescog pyw nm,8zwqgb+n64hy8 ay33pe with a magnification of 10. If the telescope has a convergingzpwa 4+gq nymn, y63y8g3hwb8 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(ggg;. ro8 dst of 10. If the telescope has a converging lens of focal length 50 cm, what isgrt d;8.g(s og 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 1phc;qyd4 y+ agg,4) kxmm6,hm0X telescope. If the telescope is limited to a length of 20 cm, what is they6qyg4m,h mx ;)magd 4p,k+ hc 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 of focal length 1.4 mm and anoun y0ax4ok f9r,sm q(mb 0s90 eyepiece of focal lq0oa0ru4 y9fs0 nmbks(9mo,x ength 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 eyepe4a (ho, 7a tuulkdj;/iece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm hu e t;oaak/j4,u(d7lfrom 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 oao+m5hy g+vh)bjective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lena+h5+ v )omyghses 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 z/i4o un8t9 dq18-cm barrel and an objective with a focal length of 8.48/qi 9ztnuod 0 mm. What 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 co4 ybfl*n a:g5fnstellation 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 thaflfb:4n5 y*a gt 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 ar(q a;h hml;q/part. If the focal length of the objective is 4.0 cm and the wavelrqqh/hm(; l;aength 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 tbq+ c/j lt xp2qx2t1vv3-*ekrpgpj;+ n /*stthe illumination is increased. By what factor does tr*;pgj*cpxtlpqtv-2/j3 se+t+x n q v/btk12 he 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 Spacec7,.t4:(rnoq3 saj)qjk e o cvv6w7zd Telescope has been placed into Earth orbit by the space shuttle. What angular resoluti:vvjq cn7jkrtawq. )z,4eoc7d 3( 6 oson could this telescope achieve if the wavelength is 500 nm?

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