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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 fila:aeu6ygx8p8d5ye ri 6cf1s 1m is exposed in a camera is determined by s dar1auxe6 i6f8c gy58: p1eythe

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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 re u-am (rsq.(yoaching 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 slm42ubw;q mj:r iding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this; 4wmqmuj2br: 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 coitd c 8+.v5xp9rn)bpirresponds approximately+bc )tx pdvip.ri5n89 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 image:hddc/5j08gj jgu0+r x m(mkds 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 covef 73gu xnu8f jj:ol8,yrs the film with a wider field of view than that of the eye and through which objects appear smaller is refey,fo3ju 8g7 lxjn8 fu:rred 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 dik fj6h ivm). kx:+vib(fferent 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 o +(2 hvo ycknao:p7(u5 pvy1bz(2 lkphccurs 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 clearx3rqb*j+t, o4kdqiqo3cs p0 ;m / 0umzly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distancl,n+lk( ovl,v e 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, thesb rq7ozq 4,me 1(nhj0eszc /* person is likely to suffer 1e4z /zbqes o7 nm*jrsq0,c(hfrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usu)og33tx t1y fdally 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 givegzg n7-io6w1 4*p*v vv(j nabq/.gs xks rise to a vision defect that ca6 j1gv7 nikg(xzo ng.absv *4wq/- vp*n 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 j u2t3*q zd, na86agk dk/uxchb58g0q, the person is likely to suffer frojadk8c8u*/gzuhq gqb,tkn5ax26 0 d3m

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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 witxo 41 ciy1 /en6o2u0havlmrz )ff0+reh

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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 ivp5gb9i)cu*np1vq+ bs, h f:t s too short from front to back, this gives rise to a vision defect that can be corrh5v9pc ui)g1pn *vbf:bq,+s t ected 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 glas2qxuz f t/mo 6kam pr9tw0d7dq+k-5ft0f67jbs?

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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 using9i5.ue dafq4wml0 + mg a very large diameter objective in an astronomical telescopew.5uqm d 0 m4figl9ae+ 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 opaque sc+ 0mr q6 5jbqgb-cxjr2reen is placed in front -qmbj50c qj 6 2brxrg+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 sensitivd: s;u y5 30hsv,ystkeity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closekus 3ys 5tevhd:;y,s0ly 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 h* f4.l2mp;tayrb5jvq as 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 dety* j; dq* jmjj h.3+gvel6ip,zail when using a j.6gd,3+ lhizjemy **j;qvpj microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frme1o.huvwiskl-q p ftv zg(*; ;qs7)2om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff 6 nlu 6h3k(ydlbn,3xmfid 8w1er 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 refery/zhdtz9xq+2j2sw. oa k w 0/is 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, ov5p/g k tlj/9what happens to its resolving power assuming that all other factors remain unchanged? Its resolt5vljgk /p9o/ ving 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 18vm r1 .ax8ooz1 cm. What lens (in diopters) will allow this p. 1m ozx8orv1aerson 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 poapt ;nt55pa l ke71gi9ub:c;irk8)onby+y* dwer of lens should be prescribed if the glass is tor+bly ku 15a ;i5bn8kni *e7toy9)d:p;c ap gt 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. What (a:5yyqx9x cxis the person's far point if the glax9(y 5yqx:cxasses 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 needed to correct f) tji6p44jt2wrg ce7t or farsightedness where the uncorrected near p 27trjjtitp446 )ewgcoint 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 farsigh(35k6kh9ifh ev;q8wzj+lbay 7e; e te ted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably(7 89ztvyb;f 63;hw eeeei5 klaq+hjk 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 newspal i ko+-wyb cpk;4sokv2v:e- (per held 25 cm from his eyes, if he wears glasse2bo:k4 (ck;kv- iop-vsl+wey s 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 1r n6exa:a,y3t yw0(ld*cfpz;0 cm. A person has a near point of 25 cm. What af c 6lnrw:t(xye0zd3ayp, * ;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 a focal length of 10 cm. A pesga,ki4t 0no+rson has a near point of 25 cm.t4aos0kn, gi+ What is the magnification of 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 let,jcba8z hy+n 7kbhq6 ko. -5ength of 7.0 cm. What is the magnification if the image is viewed8a kk+ y-jo5e6,bz bc.nh7 hqt 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 rxd a- )ufy(j1) mh9rllens of focal length 5.0 cm as a magnifying glass. What is the maximum posy)m x)uh- 9lfdrar1 (jsible 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 aspx )bm2r( pkm7 a magnifying glass. What is the magnification if the person's eyemkm r(p)bx27p 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 cm, 8.0 cm, and 16.0 cms. b.h99c h; 4pghsmjv. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you could achi s.g9 mj sh9.;pv4hchbeve?

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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 *twyj 9i3tva0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the0y3*vwtt 9jai 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 ; -tu hhd*.gtd5q cum+cm and its eyepiece has a focal lengtqg;h u*hcd-mt.d+ ut 5h 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 magnification of 10. If 6)s8k3nwygyf the telesnw3k8)6syf yg cope 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 astronome,n : arl 5q*8qsllp.+4v kyu8nky5wm ical telescope with a magnification of 10. If the telescope has a converging lens of foc4*:s .5 r mupy5llv,q8q l nnk8ewky+aal length 50 cm, what 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 the telescope is liqmq ;tw jy4b-c8;ay quh30ftwa8(/ otmited to a length of 20 cm, what is the approximate focal length of the tfqyq8 uw; bmtoq(; ahy3-w 048 j/atcobjective?

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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 f ttb;vep7o ao,pph..za(/ 6mcocal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.cpehva(zt,po6a;/m7 t..b po 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 ofgyq4is 8 8(3vzqsel.o eidbc6 mm5 ;l. 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. What is the 3m685isy.(blqm oecvd. s4zl8 ;iegqoverall 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 obruhzd0;,rq x -jective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. Ifuz0 -r ;dxrh,q 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 objective with a focal lec/ri;c 539 uxezxz rf7ngth of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of/cr3 rxf e;7x5zc i9zu 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 ak9qxsop j s j mkc:o,s*zj2:,s1i*3ufn 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 that can just resolve the two pqou, *c,k1s jz3:foj*js m9k:sx 2isstars?

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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 dg5i j:pne / wjb o,ia,:3xz6wdesigned to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.xd,e 3: 5,z inw jw/a6goi:jpb0 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'se,a hmnjnh// . eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. jeahnm ,.h/n/ By what factor does the 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 Space Telescope has been placed into Earth orbit bgl+g/cxxi6pbb o23g( y the space shuttle. What angular resolution could this telescope achieve if t6ig +xpbg(cgo32 / lbxhe wavelength is 500 nm?

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