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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 the shutter is opntl yy+) k-0cqen and the film is exposed in a camera is determined0 qt+y-)lckn y 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 determinp;ak6;xx0 (2mmqg a oe 10beched 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 thu 0,tado jkz i48kx2q rig2-.ke lens-film distance may be varied by sliding the lens forward or backward with zj-x q.8kgik rd0t2,a4 iuo 2krespect 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 view6vcr. bkv06f x that corresponds approximately to that of normal vision is referred to b6vr k6cv x0.fas 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 malh- j/fh drg +nw5zv .k w*l01pf/bez;gnify 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 wi8um7 g ,(zken+ap;gx oth a wider field of view than that of the eye and through which objects appear smaller is referr+g ;8ux on,ezmg(kp7 aed 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 aiailfy8g53( hu-x,sr8y :o sways is a camera 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 oc n6 a1gach/9;g( c ufa7mwu2tscurs 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 ser zyd48f2ghlzeslz.j 0t/*5ke 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 distance at whi.i*krw9.ambom:yjvq -qn u 28 ch 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 baxch/gqj 5i( a.ck, the person is likely to suffer frx/j .qha5c( igom

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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 whwsh oj46 d7brun2q-1e ta7)i 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 givls/ ccogo *5g1es rise to a vision defect that can be ccgglos5o 1 */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 f2snr ;o 0(uugxrom front to back, the person is likely to suffer frnrg2s( 0u;xouom

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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 cs5fz -cn6v o,xkms* br7+ r)awith

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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 giveun,nj- irpifvf4 -u0(i( qcx8s rise to a vision defect that can be corfp8nv0ii- fuxiu j- (,r(cnq4rected 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 magk6 jpm(mvfjena5tn,)3 n,7 yb nifying 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 obji-i*: f wxd0cfc3g( beective in an astronomical telescope i:f(cide*b 0cg-x3fw 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 opaqueqy(d*ldsk 5aq e e3nz h(vc4:0 screen is placed in front of the lower hae cy(:34*v5aezdkl h(n dqs0qlf 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 )pm4)n/.dty /ktjp8o lhf-mmthroughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stakmyppo84h/)dn lf) tm.mtj-/ rs? (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 hask k4nscp+2p9tk 0q;dcjnv5;n 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 tewn v534u4k.hpi.a uto see the greatest detail when w.p ae4nu4u5hk vit3.using 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 suffer fnxxbeet o/qo/gve5/wi:6r 1 .rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer vm86h.n:yn*y83xnx6 7fhftwwhqe r shi17 .f 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 the8jxdevwdiq5g;k(j 9 ) jo- p5x d,nw)t4dvv4k 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 t3v n-nxry;8ygnx-+ ab0bp.nl o its resolving power assuming that all other fnlv+ra0 n nxnb yp- 8g-;3x.byactors 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 cqb 49ue w(rhga( 9 +xiuu1u.ttm. What lens (in diopters) will allow this person to see distanixru9u.1 +eaq4g( bhuu(tt9wt 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 obje2 flyuchx(y7+ cts more than 70.0 cm away. What power of lens should be prescribed if the lxfyh7(yuc+ 2glass 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 whose lenses have power of -0.15 D. ty/btujvw9 6 b zh.c05 What is the person's far pointwvzt0h6ybu9 c. 5bt/j 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 needed to correct for farsightedness where the uncorrec9qhu //9va(j ulke oj-ted near point e/v9kqhul(uj9a /- oj 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 farvk,v9a/:oo d; 1qwv/w ul.lxasighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortab:v k;dl9a/1x va/ow,o q.wuvlly 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 newspjal x rz f*o:th gl-u,vmt6t;v; .4c5japer held 25 cm from his eyes, if he wears gl - u5:lcj*j6;,t votrzg4.mlhx;tvafasses 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 of +u ta s6tcqr 8fudfmy-/de /81cx)st; 25 cm. What is the magnification of the lens for that person when their eyes arac tds-ds;e/mf8uc8 )t+r 6 qxuyf/ t1e 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 haseify2j6444rd np bg.jy k d67ffitm-) a focal length of 10 cm. A person has a near point of 25 cm. What fd6y.b6 nej7ik4p4gr yffd)m-4 2tji 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 fgq-)75qttn9 pcyf. jtocal length of 7.0 cm. What is the magnification if the image is viewed by a relax ycq9q)-n g.tjpt57ft ed 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 c a2)y4;hweyrm m as a magnifying glass. What is the maximum possih;y)ma2 4ywr eble 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 k5 l jfhq.fwl-ol +,8flens of focal length 5.0 cm as a magnifying glass. What is th q 5j-o8f l,wklfl.hf+e 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 xxa(/-q5 x;j wxzusqf(sm1j/.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 magnmq; ( -a5/xuzj1xfsjxq (wx/ sification 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 le oryu(de, /,-;t rg6budm j6bxnses of focal lengths 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 thbjuuo-6dm6ye x,r t ;b(d/gr ,e 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 foca09/l(hfzsniips7wfkn+ 6 e 8ogx-,n ol length of 200 cm and its eyepiece has a focal len0 8 zl 7hngfi/kf6so-n+w(9pne,osi xgth 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 magnificatii49n.n mcbw+ oyfges+/el a0 6on of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of e0legn.6a/mb fo 4w i+nc9sy+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 astronomiqzrun4ak2 d - 03p)xoccal telescope with a magnification of 10. If the telescope has a converging lens of focal lengtha4rkxd 3 -nuzo )pc2q0 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 thu0c 5sicu1;bce telescope is limited to a length of 20 cm, what is the approximate focal lengthb0iccus5 1;u c 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 anl ,/qfddaxz ,m85z,oqd an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apartdo,l/ dq mz5a,f q8xz, 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 eyepiece of3ga 87lcy7/:ao. avg.uyw7* g*s- q nuvo prer focal lengtr-gva77 wpec.l7 /.:r*q ooyn a 8ygug3usva *h 20 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 an objective with 64zdydo vjl) 0a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If tz6)0yvd4 djol he 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 lengt fzs( t r+zuaxn,,*.zmd vl74dh of 8.0 mm. What is the focal length of,r az ,xu7d+tz(4zl n sdvm*.f 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 : cyx2(8 skbju- a:0xfw tpcq)an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the s:k8 atyscjb fq :w(xc-0px2 )umallest 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 0.010 mm apart.ktlo8) tnh(lki i-6(wbmqgsm.n q61 ; If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objectiv(hlq .k-nqo 6mn si)1(mltw8 itb6k;g e?

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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 m+( :fjwngypb 4m to 1.5 mm as the illumination is ipn+fby: (wjg4 ncreased. 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 bm/4pvu4(j mud i kyf ;n-0,zuqy the space shuttl/knuufi j (,u4;myqvm0z -dp 4e. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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