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习题练习:Physics Unit25: Optical Instruments

 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 tjtuhw ku2 +k me*6a; .- ios80w;dsbvhhe shutter is open and the film is exposed in a camera is detsk02at6;ismvu*o8 h wwk. -bjud+;eh ermined 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 ;ks)5 m y ayy2v3g1qzzin 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 lenijov*ekb -/ /xu.a 4yldog o:,s-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, tj,* y. l4xvude-o/kiaoo :g/b his 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 3v )b10xszdoxthat corresponds approximately to that of normal vision is referred d)bx0zosx1v3 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 magn// jp 515cqskcnux9hz ify 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 than tvk ;vyv5uc 4w9hat of the eye and through which objects appeav4 cw9y5;k vvur 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 cameh4;e6md pj o y29qvp.yra different 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:gy ,ctuzp 4v0 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 clearly ipo.o 8v m8ihc jcmp9il i-,2+ct.q s0xs

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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 objects clearly kfe maytjtr.* (e( z/1is

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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 tam l,-;bc3rt back, the person is likely to sufferb,;-t3arlm ct from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usual8 se*5y vrhq iqh. 19xh(qy)lvp33xfzly 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 tofrg xr6z*li5+ back, this gives rise to a vision defect that can be corref6g+li*z5 rrx cted 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, thegfja trg)0e9t kxs1 2+ person is likely to suffet1 2at x)ejg0 rkg+fs9r 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 correci oxk1) irh ezh4v1.6sted 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 ba4l*ftmw)s p0 rck, this gives rise to a vision defect that can be col 4r0*pwsmtf)rrected 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 lux ,g,2l)e ny;qrol( a magnifying 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 diameter objective ik:8is cx*ig1lj xc2ig/i6p2 zn an astronomical te1/xgsjli:2 *zi k8 6picgxci2lescope 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. Suppose an opup. gixsjvf6psg*w w ec,9r*.v+(q 6waque screen is placed inqg*6r.i(.*+c w ,fpg wp6sje u x9wsvv front 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 sensitivity througausi cxxd u7vf+ r) ;(5ais77xhout 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 r ux7as+v)i(7 u a 7x5fsdxc;ithe 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 4sj7d4hxo+dh i3qb-aa 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 y:y+tm v6jugf ,ou expect to be able to see the greatest detail when usinj:m6vg,t+f y ug 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 sufn 3qi1j1zgds 8lf 9)xffer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffera qrzbg 3w; p y-b.rz0 xbufrc8;/m/v8 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 re v3ys))i ta8 ,fkt-gxms/fy/kfers 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 happens to its resolsjy g1m(d 8-arving power assuming that all other factors remain unc8d r mga-yjs1(hanged? 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. Whjou (5xg)b 3hvat lens (in diopters) will allow this person to see distant objects cleagobv 35)hujx(rly?

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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 awfew (i5m*,ra .6a853sfc fvl f 9u pteibfqc)0ay. What power of lens should be prescribed if the glass is tou t*ils,c53wrca8 6afpm( fe)bf.ev5f qi0 9f 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 have power of -0.15 D. Wa 23 1j+yoya:k y7 v*8uqrgtvlhat is the person's far point if the glasses are veryk2*7govy3t+y :8 lav juqr1ay 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 to correct for fag0u ty1ov7kbpa 4 je6o6a;cbk6y1ie2rsightedness where the uncorrected net2 k07u;j y4oak16cb1ogyei 6ve 6pabar point 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 fars*sjeo:sse7; q)psbc0 ighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is re )*b70;pecsjqoss s:equired?

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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 heq t62l;0:gqpciwfiw w g)t+2m wears glassesw pg mt q:2l;wc2ii+gf06qt)w 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 ha x( o2y6le ocktf43p8gs a near point of 25 cm. What is the magnification of the lens for that person when th 36 xky ogof8tlpce(42eir 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 52 ld v/5zraunlength of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens 52 d5u vnrzl/afor 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 length of 7.0 cm. What is the magnific.nvwj c-r50m,lln v,lation if the image is viewed by a relaxedvj lm vnw,l- 5r,ln0c. 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 focud89n*uqj4 u1 6ia20h cyenkval length 5.0 cm as a magnifying glass. What is the maximum possible mvui1046n cn u82 *eh adj9kuyqagnification?

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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 a:g+s aqdyg:: l4r y7wcs a magnifying glass. What is the magnification if the person's eye is r7y+gl gawqcd 4 :r:sy:elaxed?

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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 c)ob o qv:*oa cq:n 2a3t,- fcypbdi0)im, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is thei2oon 0d-,*c i vcqayqbt:fap o)) :3b 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, 8.0 cm, and6f/n c ixjg i0sd;p bkc-0.0ew 16 cm. If you were to use any two of these lenses to build a telescope, what f0k wn/ b06-se0id.xijgcc;p 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 lengt6bsc(nhzjb:9l 9,s 2utsv 9/ rl5uoxah of 200 cm and its eyepiece has a foca z 6r(/cxn5t2u lbs,avsb jh999luos:l 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 wit oyb*.s 8yvsd;ipexnmp pg036 6t0+ugh a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the foxb68gy s0 *+v3 ;mpp0 synidu p.6getocal 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 magnifygd 0e -3,mknkication of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescoyk3,gd kem-n 0pe?

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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 tr c)j6of01jp *xdkya* he telescope is limited to a length of 20 cm, whatj kx*6*yo1f)cp0j rda 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 of focal length 1.4 mm and an eyepiece of fosbqo6ef; qok g3j,c20dr 55x fcal length 20 mm, adjusted for minimum eyestrain. A bloodk, o0;xcd2r6sbqj 35 eogq5ff 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 focan*37 y ps9 phan4yibvs 0:z2otqq.fs* l length 1.4 mm and an eyepiece of focal length 20 mm, adjusted fo z sp *ab74syvtf np92qq 3iy.:0s*nohr minimum eyestrain. 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 focw(u yj8 eu 1,rtk5wb1yal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is th,8 51tuw1yykrubj( e we 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 febg:ua 8.nb7 i h3+iraocal length of 8.baaribn.7i:e8g+ uh3 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 constellation Orion has an angular separatu m*vsc0vh4 .:gt+ivgo 0.o pwion of 10-5 rad. If the wavelengtmv h.wv +t0s4g:0.vuop cg*i oh 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 i7ac) uxxy:s bdrlf (/-s designed to resolve objects which are 0.010 mm apart. If the focal length of the objective( udc-/yfr: b s7xaxl) 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 1.5 mm as thel- ftp3ymxf-m 2b0k*g illumination is increased. By what factor does the mingfxbt2k --pym*l0 3mfimum 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 kki( xx tlb d(8 *p-*objwu9m(has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength ikj8mbkx(d( -ubto*(wx9p*l is 500 nm?

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