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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 the shutter is open and the film is exposed in a camera q6 wo sals,os v4wp2e52.iw3o is determe3q2 pa,i 25wss.vlw4 oswoo6 ined by 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 camera is determined e29 ,dsxx.l;kgfga(el-emf 3 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 dista cv69a cx ,/(s4y q-ifx bnd(lj:bjhn3nce may be varied by sliding thejcc,9js-xl n i:hxyb(dq4 n(3 bfa/6 v 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, ml*s*/zaeq4s3lmz q imately to that of normal vision is referred te q sm*a zzml/4*3sl,qo 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 v1 ynq;8w l-jua telescope 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 covers8rv; bli 6-gde the film with a wider field of view than that of the eye and through which objects appear ;g6 8elrdi- vbsmaller 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 dih1p: . x2wtviafferent 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 , c+h8 *)nd.+vvdk l6zlfzgz ithe

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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 sg788i; 3pvd,ehcfo r +um2 kwzee 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 distancet8jvp)x(topb 7 c8ft*it(5 0aa.h g mz 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 is likel jzl xb45ji +bpr:l/i/y to suff:ibl+54p/x /jlbjir z er from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can x +l,7e1zjprtusually 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 isk74 ws9sb u:o12ft ldh too long from front to back, this gives rise to a vision :42b k 19lhofsuwd 7tsdefect 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 f.vt 59 vmghrc+h(g( dorom front to back, the person is likely to s+o hvtmh 5(.dg9 cgr(vuffer 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 cuh 5h)/ fr-ia3g; znlnorrected 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 fro;jk:uu ev uk6*f;. ekltzo5; bnt to back, this gives rise to a vision defz;6 l;:ek. jkuu5ktbu*v; of eect 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 glasssb: b9c0 p-dxg/o9n0ew7nydo?

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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 objecti 5) -ywcxwape6ve in an astronomical 6yexpcw-w5 ) atelescope 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 f sap+0t*cp73b2sz z fjormed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens zfp7j2ss 3a0bz*t +cp. 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 spec 1w;3(a ht8mpm2db *h bph8nxdtrum, in which of the following casehp m hbxp2d3n(8m;b1wda8*ht s would 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 magnificw scssb5)0 zvd3,bs/zo w, ng9ation $m$. 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 i/;zl8l y bis(able to see the greatest detail when u8ii(zl yl;/b ssing 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 sufferr 7rs9x9 ;i)h;xg jsvc from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe mdk lccr54bpfq. r4ch3)u9.x r 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 refers2z5l ,* o:50 ptzd;j tumoouwu 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 u zpr +vv*1e,zradar dish is doubled, what happens to its resolving power assuming that all other factors remain unchan,v vzpr*1zu+eged? 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 hasl07 d ejisr4t;n,6 vcr a far point of 18 cm. What lens (in diopters) will allow this person to sel s, v7j6r0ctr nd;4eie 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 pownl (,ao*x)zefp8l r qi.z4mm4er of lens should be prescribed if the gl)qzl48izle x, (*nmo 4fm r.paass 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 wc jfeip 19ul *;k5v.ffears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to ufkcfe.*1l ipf j95;vthe 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 farsightednesk(a1f5ds tmla0 qz;,is where the uncorrected near poin,mdtzis(ak5lq ;f 0 1at 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 readins e yg(z13yn:4dgnay 7g glasses close to her eyes, and with them she can comfortably 14sy3n:n e7ya yg(gzd 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 wearm/2igucp5+wwobm 3 h tru83k 9s glt/u wbg o +ri8pmm5c233kuhw9asses 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 ofb,e rvbc.h :nq ;vz;q73vduf 2 10 cm. A person has a near point of 25 cm. What is the magnification of the lens forb .uc72 v fq;edq3nh,z:rvbv; 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 lengtu)jy69xseir ::: b ar. g:t9dqy3ckabh of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their neakr3qc urt y9e6gb s: )a :.jxb::dia9yr 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.1 ;wy kg au7 5q,khlagugwr48 magnification if the i1wkg; wyg,kru8a5a 4q.lu7 hgmage 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 convergpvs:yt(hp zj+h2-pnay ;4jqk :ixb69 ing lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible tz:jbykiq4sna+p ;x-6phh9jp2( :y vmagnification?

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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.1rw f 4njsb+m: Whatm b+4nwj:f s1r is the magnification 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,n.)ky waym:w say 0. 6l)*-vfcov *lds8cjhf cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to.s*y, 0k.8anvomcfwj*ylal) -h) wfc ysv:6d 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 lengthd: myx 4d(y7dzs 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 maximumdmzxyd7y( d4: 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 telescov7e/o o6saya*pe has a focal length of 200 cm and its eyepiece has a focal length ofoy6*s /ev 7aoa
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 astronomic js aitn6,v* e:tr60sh6l2cnbal telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is tvn6602 hjecat *sl, sni6brt:he 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 efn 2k,j:a1mkwith a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resultinkj,mfka:1 e 2ng 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 wmnw)l dp28i g7n-5 cxis limited to a length of 20 cm, what is the approximate focal length of thlwgi5n 2d-8 nwm 7)xcpe 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 foc92b3 d5rmaygsal 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 objdmy3 2ra 5sgb9ective. 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 dn*ug :vto8bc5c .h5vdz,; bb 5patd 2mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the oc*g t 55av.tdou;bhn8pb 2 d:5,vz bcdbjective. 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 objecwzwb01rv+9f+ o -y cqztive with a focal length of 3.00 mm and an eyepiece of focal 9zqr z0y bw1+fc-+ow vlength 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 objechd0 uon 7+- na-5qqnwmtive with a focal length of 8.0 mm. What is the focal length of the eyepiece to give mu -7dnn0-nwha+qqo5 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 sepi*ezln,nfo dlxhu9 :a.1(8hp aration of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is t :.hnxdl1uane8 io*(p ,lfhz9he 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 0.0/8ycdwfm7i2b*k sy cx ,2mm8m10 mm apart. If the focal length of tmmy8mfsb,*xm2ck y 2w /7ci 8dhe 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 eye changes from a diameter of 3.5 mm to qal ryq2s,0x- *zqnt005ts kt9xd1 do1.5 mm as the illumination is increased. By what factor does the m or0dqna d1z2k0qttt0 ,*ss5-x q lx9yinimum 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 Telescl m8.xorbtb z78dj0+xope has been placed into Earth orbit by the space shuttle. What angular resolution couldxzb+j omdt8lb8r0x . 7 this telescope achieve if the wavelength is 500 nm?

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