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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 brn n:+xnl sfvt4ph8 n+9gc5/in a camera is determin45 r/8hv+n9tf p:gncn+bs xn led 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 fil4w 8x.khujosdoo., ht z:htgk ge( 877m 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 camera the lens-film d g9m47x*m9wziux g s:nj u8ok+istance may be varied by sliding the lens forward or backward with respect to the camera housi+784 mg9u* n mj x:og9iwuzksxng. 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 view th5ujbquhh a e.; r5 fdb++(lwarq0:9 fzat corresponds approximately to hhqdzu +fr:arfj+59e ub q(wa;0bl.5that 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 magnify imageg,w- nh2zit8 ws 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 wider field of view th b/haom(ynk) ;an that of the eye and through which objects appear smaller is refknma h/)(by; oerred 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 differem3llb :7bgdz*.9 1vgrr2yrsnnt 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 ocf6:bb j4h+l lkcurs 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 )5 yx ga.hb3bowqioup cx3 4- 749sjbqan 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 an eye can sf y8whcj;8zkq s.cb-8 ee 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, 20 p+p/dc 5nfxwo(advthe person is likely to suffer o0np52fx apdwc(vd/+ 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 be corh-n k9hvj m;c;k /r5unrected 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 tok spz:o 0an)g*o long from front to back, this gives rise to a vision defect that can be corrected by usp0zan*gk o:s )ing

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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 fr ;kkttwu t.shg/ us4x/8 *s1moont to back, the person is likely to suffer fromk uso /t;hsk*.4/ xm1w8sgutt

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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 r2o c d+g89/npohm:zocorrected 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 tookl80kf1x4 pm,weoo3n )f) rcj short from front to back, this gives rise to a vision defect that 3npj) 8c0xor lwfokm1)4ke,f can be corrected 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 magni7g)c:f4sklbz u*kal6zw64b 1 fag i:j fying 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 an asr2g9 f2akn zmh8(;amq tronomical telesc9g (nfa2 amz82mkh;r qope 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.c/z,vfp kf t*1 Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect wilkf ,/pzt *fv1cl 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 unif **f.lou-ia78ec * wyeoimi;i orm sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens c ; ua-mfw*o.ii*e7e8*lyiioreferred 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 q +* 6j y0-aqnehxa bkq3hk3.upsr/3zhas 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 yjd shreg7o.h8hcm7b5 * i92gexpect to be able to see the greatest detail when using a microsi5g9e bg7yso.hc hjh8m27 * drcope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffn/o84ofp . ziker from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufq +zge wn3i*tp j.d/:uu+;vg,c,xk ak fer 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 theyqejxz :i(g8 4 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 rada;mpax+y.j+0eysls -r r dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving +a-syp y;s.erx 0lm +jpower

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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 (in diopters) mg)t3) db9u4k/x env uwill allow this person to see distant objectg4v)xt3edu)mkb n/ u9s 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 object8se+u* uh fj;ss more than 70.0 cm away. What power of lens shou +s8 hf*uesj;uld be prescribed if the 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 glasses whose lenses have p(uz().nc ,a /9gegl0jg d cuswower of -0.15 D. What is the person's far point if the glasses ar(gdnw0je, uclgu .ag9 /)s(cze 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 fa1/1iomu11fqk ifo bf,rsightedness where the uncorrected near point o1fo1 bmfuq kf,ii 1/1is 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 farsighted person is 100 cm. She 0c.m hxo28m 6+ugm *t1 vvq .1lertdtqplaces reading glasses close to her eyes, an1htmv eml0qm*t8cr uoq.tg.2xdv6 1+d 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 a newspaper held 25 cm from his eyes, if g+7 ptsbb6) /hbth)(j;o-tr4xgbw gx he wears glasses-7)r+j)x g sh4tbx ( b6/ bbtg;gthpow 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 persoznpp;630 irw yn has a near point of 25 cm. What is the magnification of the lens pyw3npzr0 6;i for that person when their eyes are 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 has a focal le90go sw2+d s. cfwjah3a7e )s; jlfsk,ngth of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that persdjf)c+s 3s;w.jh79,as s0 e 2kfaolw gon 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 i7/7ttvto +qzh n dblxg)f8*-v s the magnification if the image is viewed by a8l/v+)bq t-nvod*g t 7fzht7x 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 magnifying glass. W aj:f3re.e04c 5mup8wmtn. x lhat is the f5a0e4pnlu m3wxt8rj.:me .cmaximum 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 cm as a m2hxr d d os-o;krg)d- -pd8 bf9va8a/lagnifying glass. What is the magni d8/- lgaopfhx-r98b )od;-dkda2rvsfication 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, 4.0 cm, 8.0 cm, and v/dy)t wn 5ni*enguu 8bg* 86j16.0 cm. If you were to use any two of these lenses to build a telescope, */uvg6n*gn8)e 8j5i t dbywun 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 nmhl7n8 6mu(ezg bt(+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 lenstuzn lg (m h+e8(7mb6n 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 lengthkf7 vdo-2 td.k of 200 cm and its eyepiece has a fk2-7f ddk .tvoocal 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 telescon c9j1s uu43gqpe with a magnification of 10. If the telescope has ajs 4cuq3nu1 9g 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 *oxsj(3dv q6wa magnification of 10. If t*3x (oj 6wqdsvhe telescope has a converging 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. wd5hgifx2h.z2 kq2 g3If the telescope is limited to a length of 20 cm, what is the approximate focal length 3x2fwhgkq2i5zg2h .dof 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 of f; ym/vhaim 7.,i.y:a qwwlqt. ocal length 20 mm, adjusted for minimuw;.w,ql /7i m y.:aq ymhvti.am 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 lens9w2myn) . k lz6:kmfxu of focal length 1.4 mm and an eyepiece of focal length 20 mm .k:m6zuf xw) n2l9ykm, 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 a focal length of 3.00 m olhc.(qb29mem and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnc(2.h9olb eqmification?

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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 andqj4kyxlbg:a x+*t ,kl:2a0ai an objective with a focal length of 8.0 mm. What is the focal lengthx:ia0*lg tyj ,4kkbqa:2a+l x 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 covatwr02o6 lb23mhaiw:jn o 3 8nstellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from t t b6l20ni va:8homojww23r3 ahe 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 are rvl9t ,jknp*5 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm,v ,5*tp9rknj l 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 fronl; 4 zmkbo7s0m a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what facto0 ob;kml7z4snr 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 pla sa nsy-:ob,u z7jvyfhzm .6jq;r8(+xced into Earth orbit by the space shuttle. What angular resolumu(- b , +zsfxy o jz6.q;n8s:a7yvrhjtion could this telescope achieve if the wavelength is 500 nm?

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