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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 shutter is (d9 rg )o)iy jd/ltwj3open and the film is exposed in a camera is dete ro9d)3tljjd/wg()i yrmined 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 dete6 (-,nxwbb w (10e(ps jmojpqsrmined 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 vntx +*/tqxm(hihqa, ( aried by sliding the l( ,m (hnhxiax+ /*tqtqens forward or backward with respect 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 ov e7l:o v ai68smaidlir,y38 cy9jd5 5f view that corresponds approximately to that of normal vision is referred yv e8ia7:d y9l6 c38rmoisj 5 di5,vlato 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 is referred q2sz q3 )clzc: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 cdm2 :nk04uf6uzfkh5cm:e o2rf n pk1+ overs the film with a wider field of view than that of the eye and thnz2up6 k+41kk:e0n 2uorcdh:5fmmffrough which objects appear smaller 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 the hbv5kk pdn )wec4m228euman 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++vz qhg//m m z+bnm4ty qgf75 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 f34 ff3s -xuv;3vohgt+bb+bn see 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 which an eye can see objec) yy6vn,eqcah(- 0xez ts 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, the person is likely tour) wk-,6a .2(z 87iiiw.w cvzy+dt tksua;mk suffewv zw au7 , m trkiu)a+ i6is;2(k.8tdzwc.y-kr from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually ix 7ojpdwchdri) -j( q,w.0w)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 bace:xn a4cl.r/:pq)3v y s(w.h euxd7e(gj4k fqk, this gives rise to a vision defect that can be corrected by usiyv:j .4q fw rsk.)cx3aee4 :e 7/ug(h( xdpqlnng

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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 6uq7vghbu 2 gg; nhm4)jrrcpz,3 / yb6is too short from front to back, the person is likely to sufg6)/gubg 6rqh,4vnbm;zc 7jrp2yh u 3fer from

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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 w,f l9s fdtc7j,: -l qp.myd(rmith

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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 riset*ml/ k4key, qp;nh2a to a vision defect that can be corr n2hae t*klmk p,q4;/yected 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 glass1iy. ds-enkkt+s :n/q?

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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 lary)ih3kua( a,yge diameter objective in an astronomical telescope )ayi3u(h a yk,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 ta :zj43: yidwceoz8r /elescope. Suppose an opaque screen is placed in front of the lower half of the objective 43ediw jz:r/c8zyo:a 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 througf:2arue7gjz h7d 0) exhout 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 theee 0grhjua)27 f:z x7d 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 majwv-4 5h6agu) n/aoungnification $m$. 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 woulq:n7 p/w*mjg0hoko9md you expect to be able to see the greatest detail whenqk0ow:*h/9n7 m mgpo j 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 frm .ex(a:q8* cqly:jnsom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer dbhi--4t 8rbx 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 ua 9(uo1cwl3 o/ug k0yto 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 d fyta .hc(9-i.u lorezh,lg//f((q hi oubled, what happens to its resolving power assumi(/uy ,o(lz haq9/-g.i fihflc(e. htrng that all 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 fa8 -po xis6,iqwr point of 18 cm. What lens (in diopters) will allow this wiq-6o,px is8person 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 objechn5:z6 a0jg .cne7r6v(d2igjv5cevats more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in frontr0c5 vnje(nv6:.ze gah j5a2vcd7i g6 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 lensl m/bu3zcn60aes have power of -0.15 D. What is the person's far point if the glaszl6 / 0unca3bmses 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 farsoo voc3j* 37jnightedness where the uncorrected near point is 75 cm? 3vonco o*j7j3

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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 fars2d,q l1ov-yz84ikhd t3yl c;bighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspap 1q3dd;cibzl8-yyoth ,k4l2 ver 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 n,ar. ra zsli o:t; 2b5bz 2)e3,hmobaoewspaper held 25 cm from his eyes, if he wears glam :5)os ialah;ob2brz32b.t re ,oz,asses 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 r 1)tp n6xfs1xlength 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 ar1) nxxp6 tf1st 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 b y5hvdi3.ecsmm 4f76. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focui54 6.7vsdeb y hm3fcmsed 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 h+*wf+p;* awwik u)7; e uxht.j bg-yw-xe6ocfas a focal length of 7.0 cm. What is the magnification if the image is viewed by a relaxed eye++hu a;tb;6g-i c.efwwj* o-7px ef)uwk* wx y?

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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 lengjs1 4mx3yrm8 lth 5.0 cm as a magnifying glass. What is the maximum possible magnifica1ly483 smjmr xtion?

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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 glal+mm3g-o5gih:d l o6hcuf1m 7n3z2j8aru( pv ss. What is the magnification if the person's eye is rhgdo6l38 2piu +fjmlmnauh-co: 17 5 zrmg(v3elaxed?

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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,gfm ;mo2il7 fkv8/; pn 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 thmvgf7mi lko 2p;;/f8n e 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 zmu. g0q5kes4of 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 lensmzu.5kg q0e4s 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 eyen ; u::v4fzzeq(*a3wm,kk ,xtchx tlzp09fr7piece has a focal (vf* r ;twxpa, 3zzehzf,0kux:t4 :kq9c 7nmllength 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 q igo739fd1 -nt.jl ibtelescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the el.t 19bi3 7qgof ij-dnyepiece?

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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 magnijw.8 kbryn) r xy)sv);fication of 10. If the telescope has a converging lens of focal s);xwb ).y8vk jr )nrylength 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 limited twc) p kn .wjd.c0x 2x9agv8so71qinj(o a length of 20 cm, what0.d g apcs8q 2cxo.jv)nk w9(x1 7injw 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 lengtv.1wk k.wjp9 th 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrai.tv kkw1.p9wjn. 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 obje,qip2v( oekl 6y* ,des crgg41ctive lens of 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 ypsq2gr6,e l 1*(go iedc,4 kvthe 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 ha7m.5 qeoh .p5lh5*p2bcchqqm s an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.0*o2m7p qpeq5.bm5lq hc.c hh50 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 objective with a focal ls -k9k)7 cwv)fb 6jyzyength of 8.0 mm. What is the foca-7ywk sbj)yf) 6vk cz9l length 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 an angho5 ::lzns 1kyc 7b;m.nq,-u yliq2f: y;phabular 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 can5y .fcql u aqz-:;l:27mys,:bh;y nh1kopi bn 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 objectse cc0rx kzzg/)r8-uo1 which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelengthrgzr xcc8) ke1u0z-o/ 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 change*qpvm,b /7g2umka8cvr4sh0t5 y (qhu s from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor doem q(u4h *sb,a hv0/2rt 7kgp v8q5cmyus 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 Tm*boy:)u /4rebdg jip 0g7i1k j,*ri0kw u,gcelescope has been placed into Earth orbit by the space shuttle. What angular resolution could updbreyi/ rk 4* mko j*,ci g:w1g, u0g70j)bithis telescope achieve if the wavelength is 500 nm?

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