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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 film is exposed in a camera is t4n5mt1+q r+ isddga- determined b+ t+at5qdimg-n s rd41y 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 dena w 1;iwyg-d0m 9dp-ytermined 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 lensh*)p4vr3flxc -film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this*3) lphcxv f4r 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 coversy7io 2 m k-wamu4ffl8) the film with a field of view that corresponds approximately to that of normal vision is referr mfo42-a yfmk)8l wiu7ed 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 aq .s0z b xv 6.;fypkn-kpfpx5/cts like a telescope 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 wiwjsiw/t/ b+2r5rkd 2zth a wider field of view than that of the eye and through which objec2i wb/sj 5tr2+wdr zk/ts 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 human eyhnlzsk;qw x0).vs: 0b e?

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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 tnm,my60x1 8k7txyz llhe 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 whp (bltkq9 dotxe gc0l:il89 42ich an eye can 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 ;0; g nnng9)4hmzjbnrv u7cp- 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,wd6),fj6msu ms4b*xj the person is likely to suffer fromb)m j u4dms ws,xj*f66

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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 correcnd6nc f3g;c 838lbuho ted 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 h,)psusdq rl,9. d a)1;ikhrglong from front to back, this gives rise to a vision9)rs prk1q hg,adlsu; ,.)hdi defect that can 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 frv88yx4 6uatmg ont to back, the person is likely to sug8t84 6amxuvy ffer 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 corudn2k0g nd 6dar;ya+(8cxe 7prected 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 ip(: (hxpn tun.s too short from front to back, this gives rise to a vision defect that can be co(hpu.x( pnnt :rrected 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 magniferey 8c 8 -ac9x+9ork0ux2nle ying 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 in a(wa n7.w;+ b ntx txc(4o; )r0rkvkdega8vk+dn astronomical telescope iakatvw+4.kg nvdb7x(0wr rt(x ce+ ;d)8o k;ns

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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 screen i.wmu)jj0sjot : :3ymns placed in front of the lower half of the objective lens.ts3m:0.yjo mjn uwj): 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 throu3wk 67xdj lim;ghout the visible spectrum, in which of the folloil7;x6w mj 3kdwing cases would you be able 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 magnifi -huxvhw,4yuvc nvbna. ;4/p(cation $m$. 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 wu*+ ey0ya9t:om(obf m 4e-a eto see the greatest detail whe- m0(beaaf+ ewtym*oe 9 uy:4on 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 suf/iqdzb,+di+ ofer 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 +h3 .2 eurmnqhfrom

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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 microscopem;n.bt9 kzze; 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 dish is do6;c)ms f:yxsfubled, what happens to its resolving power assuming that all other factors remain unchanged? f)6x;mf :cssy 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 po,,t(;4(oqwitp8lbjizz wi;pint of 18 cm. What lens (in diopters) will allow this person to(iw(zljzp,t;8,i t oiq4wb ;p 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 paim hf r..r1sn)7 0-l*yha6de7iow xs ower of lens should be prescribed if the glass is to be worn 1.00 cm in front of 1h)s r. i m7l6an -f7. xesh*iawdr0yothe 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 i3ugu 1is-t2r zs the person's far point if the glasses are very gs-1 tu3ri 2zuclose 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 farsm3 x q+.aqdtqpa ozu-78jp.j) -a 4tsvightedness where the uncorrected near point is 7.mqa4-tx.8+- oq p 7qd )j satvpauj3z5 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 farsighted person isq(vq- qw9l9 xe 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a dieq9 qqxv 9-(lwstance 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 newspaper held 25 cm from his eyes2kzh 9:i s y0ds5afk5fq9 b/pj, if he wears glassesq s ik0 2afdkpfj5 z5:s/by99h 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 .h s89a f x gvry5ybi(ig0rm32person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infihgi0vra5x2fys g8biym r(.93nity?

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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 pe(vmxlc0e .u n9dcgnyrh ; 23t+rson has a near point of 25 cm. What is the magnification of the lens for thatcy tgmxv 3rd.+;9(c2ul0n h en 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. f kh( hgd-v6-qe vm5y0What is the magnification if the image isq(hy f 5mv-6g0v-kdh e 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 focal length 5.0 cm as a magp83hnnq *un-bb:4wvax(g0vw* z(yuk nifying glass. What is the maximumua xzhb n *8:(k*w(-pbwgqn vuy vn430 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 length 5.0 cm5r;7 x4c :ao9c3vwh mz .vtoje as a magnifying glass. What is the magnification if the person'smcjtvo5xe4: 7c a .3;zhow 9vr 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 cmzs7d. u(v sk:y, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximumk.z sy:s(du v7 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 16sf k,mvr :wf2:5-tiem cm. If you were to use any two of these lenses to build a telescope, what is the lens separation i mtws2efr :5m f,-kv: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 len(p / k5kqqinx8km2n0.v d-n owgth of 200 cm and its eyepiece has a xp -0(qdk82nnw/n vk.i5okq m 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 astronomicaiwv6 b*mcy+qc0or:8 h1 vm) ebl telescope with a magnification of 10. If the telescope has a converging lens ofibe+om1:m) v8qy6 cw 0cr* vbh 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 mb*q+1gr, jjk( )pl:es h 3baxgagnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telesbj3s)xa *(h+b,jqe g l:rp 1gkcope?

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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 telpzm5 u.e cl hy*oc8g )e/0ifv1escope. If the telescope is limited to a length of 2y 8g1 /muz pi)cofev 5*ecl.0h0 cm, what 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 4ult uy f1b zby(,8l;zk1,uwd an eyepiece of focal length 20 mm, adjusufl,1kdb1l( 4u; b8y,yutzwz ted for minimum eyestrain. 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 objective lens of focal length 1cj)l10- w9kfrisx z;r .4 mm and an eyepiece of focal length 20 mm, adjusted for mirks ix 9)z1j0 ;flwrc-nimum 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 a focal length of 3.00 mm4-x 9cdtjnt;pay 7 )oj and an eyepiece of focal length 6.00 cm. If the two lenses are stn4py ojjdxa7 -9tc);eparated 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 at+ybf : e0e9spnl/ujm+* 8a klnd ga,*nd an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 240yb/+m nut+lakgnp*ede8:sjal9 *,f 0?

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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 constellati-eqw0ra :lj(ion Orion has an angular separation of 10-5 rad. If the wavelength ofqlj 0 -w(:iear the light from the system 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 resolve objects which arewwag-7 f9 p/ou 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm7-/ f9wuao wpg, 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 ft7ez+5e eyugcx) n;m, rom a diameter of 3.5 mm to 1.5 mm as the illumination is increased. 7z+;u ,eg5enx yemct )By what factor does the minimum angle of resolution change?

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51#
 
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  The 2.4-m reflecting Hubble Space Telescope has been 1ma6 wyl +49uyxb3ue n49xfnb )y 2zgbbh8eo4placed into Earth orbit by the space shuttle. What angular resolution could this telescope acfo8uxy 9w6+9b3bxne 4zy hgbnyla2u 14mb)e4hieve if the wavelength is 500 nm?

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