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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: 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 shuszb p(u4ej+ -ktj1y-btter is open and the film is exposed in a camera is determined by t pt zbsb1j-k(j+4- ueyhe

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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 deterxrs0r/ dpzj)4dl sc,7 mined 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 va::rp-mg)3 8siy fbvkf c znf:8ried by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtainf -f:si r:fp88yc3kb:nvm) zg ed, 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 filmb x)z94fuhwau25yfpk;p-lfup u6 7t sjr: *)d with a field of view that corresponds approximat)*6 shkupufxty:bu 7l2) 5pz p49ff-;duajw rely 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 n/5oehpm) wy; to magnify 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( 3pqzw.dglg44 yo e9v wider field of view than that of the eye and through which objects appear smaller is referredve gzqplg.o( 94dy w43 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 the mv uvk,37k. tbv.u ;sthuman eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refracti x(sgj.g8 .ue.ef6nfbon 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 objecco)mugp2dx3 9w3fj;;v u2q upts 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 whix4-o0p)3uc q pn:bak-4yz lgzch 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 lo57 fzzo4onlrt3t8y5cng from front to back, the person is likely to suffer from5 5fzonct8zlt 4o73ry

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can uggxm:;ho 44vn uk .0ixsually 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, nbsyf*wl rvf0pp21o4;4,qe z this gives rise to a vision defect that can be corrected by ,vp 4z qf1op;*4ler sfwy2nb0 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, the person i7m-6e*v7srgz mv2jjj ew:xo*u g 7x9as likely to suffer fr ze-*j27vxj gw rgv7:x9j a7s*uomme 6om

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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 co4*h*m .qungs;ez5 7;w /xhl7sj buadmrrected 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 : 5-*rn8d tyq7poxemn z;5 qydshort from front to back, this gives rise to a vision defect that can be coex-* 7;yz8rn5:y5qddn mqoptrrected 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 isrk. 4 -wova2- nezcvzckr ((2o 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 in1 8(k3 tgp5lwxe lpm,v an astronomical telesce15pg(mlp3k lv8wx t ,ope 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 2zfd m*9 y+ e)qcldao :1ru-ugscreen is placed i2u:r* yg zd-q 9+dfm) cl1auoen 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 throughout the visible spectrum9n0j sz8bk4ju , in which of the following cases would you be able u sb0849jnzjk to best distinguish between two closely 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 has a(39 uin) nhyorgi ft.1 abvx q2py/t(+ 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 wouq* g)p9pi1 e2yw cbq8uld you expect to be able to see the greatest detail wheye ) 2w*b9qq1c 8iupgpn 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 suffet74cn,8 mp anmr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff3uptnu-le k dvwy -(6*er 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 reflzkdw*z ly lbcf9jb* a9saae5.8 b(9l4 jk)a-ers 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 ha.sg. ts w1q( pwx.-r)mwjwlv .ppens to its resolving power assuming that all other factors remain un(.j-x)wrlmtsw1. qvpwg .sw.changed? 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. What lens (in0qiyq jjk /4,n diopters) will allow this person to see distantiqj 0y, qj4nk/ 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 objepc:8hsd3tjig n12lf 7nk0 5dects more than 70.0 cm away. What power of lens should be prescribed if tpkg31i:d sneh cn5 dt2fl7j80he glass 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 glass ;zt73 a7ck.nead o wlexv3sc)j +0i3tes whose lenses have power of -0.15 D. What is the person's far point if the glasstst3d+cl) exco;vw3n30a i ka7jez.7 es 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 foi.b6x*jx 1em,e4x ifq 6nhbc 5r farsightedness where the uncorrected near point iimqxh4 6ex bx6*en jci1f b.,5s 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 farsighted4imr:orvoz42w,ia( pbk :i -k person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance omib 4:2(rzik-ori pwkv: o ,4af 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 newspaper held 25 cm from his wpw70wm7m4 u 97yp v(q *fjogjeyes, if he wears glasses omw f9jmq 47up *op wvy077w(jgf
+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 letp5*hs,ejz .hngth 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?s*h5. zthjp ,e

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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 o: qg xy./qm-eqf 10 cm. A person has a near point of 25 cm. What is the magnification /qqq. x em-gy: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 length of 7.0 cm. What is the magnificatipxtban9 q5rdwww-79jwk nzf +o79 o /-on if the image iso /wawz- p9jo75wwd+-7f kn 9t9xrqbn viewed 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 foca7c2 hmc0; tc2ll iamt+l length 5.0 cm as a magnifying glass. What is the maximml tlia0c +t2c7m;c 2hum possible 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 leng:xg3pb+0id56xk8z n o;gjdgvth 5.0 cm as a magnifying glass. What is the magnification if x+o :i v 5xg0z d6kgjdg;p83bnthe 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, 4.0 cm, 8.0 cm, and 16.0 cm. lmj9j8*;kgnq3 rzdhfy up3*. If you were to use any twpkfmrq **uj nj8gh z33l.9y; do 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 awz5jjufkv xt 4 o6:) v6yubjx3s;j/ 74ogf0wcm, 4.0 cm, 8.0 cm, and 16 cm. If you were v44jxou 0 ) g3jx6;/wfjft avz7o:b uyj6w5ksto use any two of these lenses to build 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 tnbqa5;+klg( db8eqp/(yk i cqr 4go(5 elescope has a focal length of 200 cm and its eyepiece has akg;5 /qnl(qi+b5(ko8 bp d yrgca 4q(e focal 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 with a magnifnr bha )8a;g9a 8 ft)gxpo7rz3ication of 10. If the telescope has a converging laan9a x7rz);r )t3b hpofgg88ens 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 constructsx:,u i)+vr)p, jbdc lg an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what i)jxr,ul+: )ibpvg,c ds 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 ty /08ink kew se v0//tnrc:*dqelescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objective? kdnq :k rye* 080vsitce/n/w/

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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 lil a8f*, :ccuoength 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A b, acif8*u:loclood 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 lenm2;/ 0 o 6gg8sxcydwjwgth 1.4 mm and an eyepiece of focal lengthcmogy;wxgds0w6/ 82 j 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 v5+rux6b ka;o objective with a focal length of 3.00 mm and an eyepiece of focal length6 uxa+5k;bov r 6.00 cm. If 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 obje nn(( 0a:jyujryp: vo;ul/h-k ctive with a focal length of 8.0 mm. What is the focal length of the yy:jap0/hv : - rnojk(l (;unueyepiece 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 h6t,ymsgige2 woj 49qv- /dv.u q7j n/separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperowd/6/,tse-.hvv q9n uqyg4jj i 72gmture (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 reg4 moko 9fby -2thrt/c -fre2+solve objects which are 0.010 mm apart. 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 er- 4+fkcygrt-b9hfm /22 otothe 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 yhgtxqi, rw;it -*/+gr9,u vt6buvz 3 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chv ;9r,zg v *tty3gi+xrqwi u-6b ,ht/uange?

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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 Telescuf5:x4sx b0gs3 yja1aope has been placed into Earth orbit by the space shuttle. What angular resolution couldb3asa1x 0g45 f:yxus j this telescope achieve if the wavelength is 500 nm?

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