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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: 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 w x twq7ei-wuiy6n.fj(z(,z+. ,zps lin a camera is determined byi slfzu(n wq,xp,-.7.jwe6 w+ytzz i( 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 r-jhauk 2(*jn);n3tp;ji1yh6 dvs pjx r h45xpeaching 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 sliding td* h+ya*hy9v3sk l.xz .x/bswhe lens forward or backward with respect to the camera housing. If, wityzxxhsvaw./ dy3b s*.9 h*l+kh 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 fpogb0)h3 wfn3*, tz xv(7klblilm with a field of view that corresponds approximately,x fvwg0l(hb*k37)zn l3pot b 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 i/v 3ac ib5c kin,77bgjs 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 covers0f, rz8d6pbj3iyz5f e1wub+c the film with a wider field of view than that of the eye and through which objects appear smaller 6buir cfbjp815ydw,0 fe+z3z 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 dihb2a l2m 3ml/v d(u4gmfferent 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 refractionq q rw6)f;bt+i 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 objectsj p0 8xdncc**s 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 can see objectjd6q3; j ysbf:s 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 frontp49m* hw, rtf0*bizqy to back, the person is likely to suffer fqp hrb9,i0 4 **zytwmfrom

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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 corrected wei)53yw v(hzpn+a al.ith

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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 +x6 pr0yf 8qdcvision defect that can be +6rfdpcy 8 q0xcorrected 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 frz d-7 *slp-kbjom front to back, the person is likely to suffer fro*zksjdb-p-l7 m

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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 corrected wimn55v q0*d oxu3 plku. s2idc0th

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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 give1el)c gtv h4 fdy( s2/cg1jx:mdy.ni0s rise to a vision defect that can be c )t (4yd .i2/cngfxs1cd y jhgl0:em1vorrected 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 magnif 8uz)hjwaz bjaw1y dq3 i09)pd1rt5z7ying 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 veg+lls516 kp2dc) imbq v/zkj4ry large diameter objective in an astronomical 4b di2s6gj +m z)qc lp1/5vkkltelescope 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 .*ng *js9hubn;nr8 q nopaque screen is placed i*nh r*; 98nunqjn.gbsn 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 sens6p o7y2xz3tyvu* k.px z e.ch: 00arwxitivity 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 objective lens of the telescope used.)v w0yp .x702p xz6khr:ea uo.yc*x3tz

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescopeptsva1mbv d1o5ua ;2,1 / gczg has 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 a3vi ay;9klvr aidz 4./ble to see the greatest detail when u idi4r;vk9la/yz v3.a sing 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 suf +uz-ai14x97f z0fyyhinjz 4ifer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors su. d c/fu4ogyw/q2w:y2 d)fkt vffer 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 a-mlqh(h9qrq m .p,,qv ir(y7 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 iub+6xf0kf+nn :nbz 3us doubled, what happens to its resolving power assuming that all other factors rema: +z3n+k0ufb xbufnn 6in 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 18j- x0x88lxk, *f cx8 x8qpoosy cm. What lens (in diopters) will allow this person to see distant objects clea80 ,ol *sqk xjc8ofxpxx 8x8-yrly?

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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 5o8+fku7 nlv6or stp z,vu+rig+zk88than 70.0 cm away. What power of lens should be prescribed if the glasviu,8kz+gt6o sv 8z+u5o 7p+8ln rfkr s 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 wears glasses whosf8o5jcf xc4vj6hr.x)e lenses have power of -0.15 D. What is the person's far point if the glasses are ver 6hfo v.4 xxjjr8cc5f)y 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 farsightedness where the ykv.h 4b:p5 pvuncorrected near point is5yb4p.v: hkpv 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 farsr(xwi//s28:s d yvhcsighted 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 /dv/2w siyxc8srs:(hlens 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 fr)i2d in/djoti-de- e (s -pdo(om his eyes, if he wears glai /o2(di-d( -n-)setjed pidosses 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 point oft +h2- qa 1vdfte-h; leelx0t* 25 cm. What is the magnification of the lens for that person when their eyes are focused -*-dalh0+2xtq tlv ;ee etfh 1at 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.)hi,pq l w 2+eot0w.bz A person has a near point of 25 cm. What is the magnification opeqh2 )ozwit+l. 0b,wf the lens 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 he9z( lbne 1k+k o6/lovtbv+ohi5/x0 length of 7.0 cm. What is the magnification if the image is viewe+z/lekb+hklobv oh60/t5x vo9ine ( 1d 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 focal length 5.0 cm as a magnifvcdj 0o 2+ws d*c0x3oy iu.4nvying glass. What is the maximum poss04d*jsvn yi+d 32ouxv. o0ccwible 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 focal length 5.0 cm as a magnifying gl8 acw zf7*s-zgass. What is the magnification if the 8w zg-fa *s7zcperson'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,6k.tefv* m e+t 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you could achie*v+kt m.tfe6eve?

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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 fo82kiw tk;/ 8pzt: ntfit2a5 bncal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to builpaf2 82 itinkt85/zb wt:t k;nd a telescope, what 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 eyepieceq 0ua3zil2 u:-reuh4f has a focal len zhu2aifeq34:0r u-lugth 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 with a magnificatio;kp -b3 f17hcdtnl; ugn of 10. If the t- 3cnh l;ufg pkb7d1;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 magnk 3y-lsqzy(g, e ktq;.ification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length(gtkz . q;-qyl,s ye3k 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 18fxv im(1wuj80X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objectiwuj18 v (8mxfive?

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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 9u4tpc iz8aby) f ul07focal length 20 mm, adjusted for mita0u 7fcz l4b9 8pyiu)nimum 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 eyepi i/r6ezu2exei- edk-mx,)s p;dnw28 kece of focal length dnk we)i,zip82ese /mu-exr6 ; 2-dxk20 mm, adjusted for 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 a x -ifv8ok d ;zk d2k,(qvxpaf+zn26m,n objective with a focal 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 d8fnm2 -qz,fvx( kivz axd2okk6;+ p, 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 -bj4i.kv7xhkand an objective with a focal length of 8.0 mm. What is the focal lengtik7.x h vj-bk4h 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 rao nxe5dq :q9bv,/tkwfd1r-bz 25q2 an angular separation of 10-5 rad. If the wavelkb, b9xqanr:o2vqqztd 51 fredw52-/ength 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 j md3 wnob2ljpf :084twhich are 0.010 mm apart. If the focalm2 dn8 wtjfol3pb 40j: length of the 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 1.5 mm asat)i jo h:gj/va)2- m8 /knlqzf7d5dq the illumination is increased. By what factor does the minimum angle of resolutfh/aqjna2)dmzi/:ljk58 - dt qgo)7v ion 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 intr f5.rdluou5k w0 ov-)o Earth orbit by the space shuttle.ulv5ofk.-r05douw ) r What angular resolution could this telescope achieve if the wavelength is 500 nm?

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