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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 shutkd u xh3;svb 7-1n*2aqk)tk qoter is open and the film is exposed in a camera is determined by nho ; kb -ktsduk xq1*a7)qv23the

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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 filmv*vp hx9v rg-6 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 cameraox 8(ienw6.bn /y/dot the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, withyi8tn 6/b /wxn ooe(.d 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 th0 o)yqzkg7 s,we film with a field of view that corresponds approximately to thatz,w7kgyq s o0) 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 magnif dzofrta*ise710 .bu0;atb x-y 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 vl2,n)q;xyktyi,:na71m l p h a wider field of view than that of the eye and through which objects appear smallernl7y:,l k)p,a1qhtv;m i2yxn 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 different from thek qq5g0.v3:w ya6o/9. x o fr1;j ddnrltvaql9 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 onos a am (r05v*4afkf hj.lxv*7 t2zl-f 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 objects cle.))+dm; c 3 rtwjq/apg lv4pgtarly 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 objects clearlyr(d4d7fpz;q, ja 6lli 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 f;d 95iiox4v0j vdzxu8 rom front to back, the person is likely to suffer fro84do5 v90iuz xxijvd ;m

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually tv7s mgu1 .vtq46vbz-pl)n9 /hf6xhmbe 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 m:wbcbo7(ao-xr zpn;x*wo3 . 1kfu5 h, this gives rise to a vision defect that can be -f oxo c.3p*k:nbz xow(5b7u1hw rma;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 c8s.;8ieo6xhuwq h a*q9mdw 2to back, the person is likely to suffer fr6 hhs2iaec8.om w 8 d*xq9qwu;om

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually bp:fmxen .m1jqj e7, q+,wux0m e 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, this gives rise to l7ak vlzynmsptdv50dc -3 xt6+2p(z3a vision defect that can be corrected by m+ lpztsd 33lz( pk tvv6a2n-7x50cdy 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 ma o)dos:) tvls/gnifying 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 vecij0knb q*vm y )jp1ng dw861bg09e;a ry large diameter objective in an astronomical telja00 pkydw96c bq8 gegn11vn*)m; ibjescope 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 p*fh ni: 8lp1dw/z*.z j3feuen s 6s5uby a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this hav zh.u 6*sp3p1nz jwse*5 :8ulief/nf de?

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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 s r.gg:1tcjf. 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 tef ggr1.:tscj .lescope 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 fizop7h,pm57magnification $m$. 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 abl8wqyf3wvv vhh6., bu9 e to see the greatest detail when using a microscophv wb936vuq8hv fw,.ye?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffk: vqtzuj)+ (k k0y0xner from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fromyv ;doenlv 6arh,38 )athl/x)

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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 microscq e9c-:n*pw(t rv00eo.9bz z.nv3vj zn*mgxu ope refers 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 dimusbn p06wd;3(tka 3ksh is doubled, what happens to its resolving power assuming that alltwkkdaus3m;b 03pn6( 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.(tqac4 9( 2mi6y rftmn What lens (in diopters) will allow this person to see dist 42 (q(n9fatrmm6i tcyant 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 cleaqk7 nfc(,ou/ zs b :;o9mrsxv0rly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 c7:uc/f;sk0 ,x9 ob vo(zs nqrmm 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 lensy .hf1 w,lv zo(mrpu8qp4ae(.es have power of -0.15 D. What is the person's far pointe lfz8u4. r,o m1phaw q(vyp.( 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 ne0y, who fkz.:leded to correct for farsightedness where the uncorrected near point is 75 cmh z0yflw:k ,.o?

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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 cmhcp.n6. l,xy waxu.(+uzf4a w. She places reading glasses close to her efa6. wl+.wy.px(n zahcuxu4,yes, and with them she can comfortably 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+ y*wzgmq83d w a newspaper held 25 cm from his eyes, if he wears gwy*w3 q+g8dmz lasses 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 lehwnz d*0v vys/w:,,mqngth 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 infinity?qvym*/0w, vns: ,whdz

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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 persp8h jnqjw8 :jr*gg u(cp18v9ron has a near point of 25 cm. What is the magnification of the lens for that person when tpgrg9 wnhuv(jp88:*8r q jc1jheir 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 ix rn0 u9 n4fgm1g8sd7hxeji.) s the magnification if the image is viewed by a refh ejng)gn.8x41 dr 9mis7 xu0laxed 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 converginb 85arg pde d:o q2,e*sy9p:q;5hqjm4vz dxv 3g lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible mdg 5x4;3opqp v vb deas8er2*:5hz,qqdmy j9: agnification?

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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 foct,f hg57vq:lh qb(ip,;) fpl ial length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is r )v q,lh7l;(qp,fh:tp ifb5gi 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 cm, 8.0 cm, and k696cz j,u:l +rfocq0hvg5 cza ,rf-p 16.0 cm. If you were huzrkf: ,z arf95-q c6,vcjlop0 +cg 6to 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 of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 1 :jh.c fkzmn0oi): ;6cve7eds6 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the j:c.vd ;e)fmco:zi0sn 7 k eh6maximum 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 hasx,qom) ot f(wgv4. x0z v2hzz. a focal length of 200 cm and its eyepiece has a focal legxtw(hvqo0mof . 4vz.x z),z2ngth 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 astronomicalar ) nsu6t09c)dg5tqa telescope with a magnification of 10. If tha)tu5 gs n9 )dqartc06e 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 magnification t(h us-s.f v2i* y9kfuof 10. If the telescope has a conv t husi(k.sf*u 9y-2fverging lens of focal 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 th 35lervko3k lwwp2/*v e telescope is limited to a length of 20 cm, wha 3/ko53kv el*2l wpwrvt 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 ofqgy5*d-+ t*wxl dv.,4 c8lzeag.qa a s focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far t xsyz*q8 g .4g.avwlled-+*ca 5da,qapart 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 9- 1g rg +wuamg64uur-6u zuioeyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the oveum a1uggu- +gi466u-wr9rou zrall 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 w tqtf) guntey bj0vg+ zg(.6+4ith a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 4 (y+vbgt ez+6g.t qugt0n)jf4 0.0 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 an2apcx 58mz hde.o:w6 ; 0siyuo objective with a focal length of 8.0 mm. What is the focal 0xyuh o o;.ewm :2a8scz5p id6length 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 Orisbx v/fq; ,kg0on has an angular separation of 10-5 rad. If the wavelength of the light from the sys/g bqks ;,0xfvtem 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 rrd/d6*) htngdx ojxa pu)n+4 jy-yp7*esolve objects which are 0.010 mm apart. If the foc ohd )6xyud7/+ g adjy)p*x*t r-pn4njal 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 as vf, wal*tdals1:q 2bv,)q/qn the illumination is increased. By what factor does the minimum angle of r 2,s:* q ltd,awf ba)1vqlq/nvesolution 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 s.csc3vhh1pfm0p 6g +been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength m 1s0 gc. hp3csvf+6hpis 500 nm?

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