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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 shutter is open and the film is exposed ilcy/yk-;cz.-ezv6o/ f v .)mn eie,hwn a camera is detero/fye z 6/ -;.c.v,)nlyw-h ei ekzvcmmined 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 3 wr45v8zbrj pa 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 levi.d 6ubl l(pu7vu5g)q8p (p9q-hsdjns-film distance may be varied by sliding the lens forwa su-up9qhqjl67.d v g)b8i d((ppvl5urd 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 of view that corresponds approx le9 ,y;my1agl(bitnv2*ecu taj*.z0 imate ybi,j.u*;ty(ca0 a9*1v ee lgtn2lzmly 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 to magnify im-n ;4unsj;pl oages 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 wi 0x vw.)dxlf1nth a wider field of view than that of the eye and through which objects appear x f.l0wx 1dnv)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 folle.t*.m hq0p xyowing ways 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 occurs atp(qbs+8jtz3ytx v;k; dmj 3:ymr fk -9 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 objects cle3jhb(5+f 4g6ijo4de ehdmhm9arly 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 objects clearly is4weuk5* 3 0xx+ etaa2 4fcucuv

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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 tb-gi5dt-p v, to suffer tti 5p--,dv gbfrom

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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 ch* 5 0+1ze9 ejvmlprsporrected 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, this gives rise to a vn x0 4xa51crcrision defect that can be corrected by4rnac50rxc 1x 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 backs7 uxl hb+3n.g, the person is likely to suffer frh+3guln.x7s bom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually behmd u+-b e80xqbp1 io* corrected 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 q(0c yv t5qjpl7j 3+;gh*qjn xshort from front to back, this gives rise to a vision defect thayh3t0qcjq+nq* x(pl gj ;j75vt 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 magnifyl1tokly:2m4 ding 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 astron,/rpwhxb8 6o oomical telesxb68wo /,or hpcope 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. Supj,x2d g/ +q4v nvy;jt;zk :jflpose an opaque screen is plac /ytxz +j,vlk;4; :g2vdqjnjfed in 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 hn*daik ;n7b 0dtwxm 86e/m2pi as uniform 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 referred to is the objective lens of th;ait/2d* mkemn nxd 68wb7 0pie 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 4b0m8u ,uabun 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 wouz0(fd 2r ahlx6ld you expect to be able to see the greatest detail when using a microsc hfd6 z2lax(r0ope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromjy 5nf+)u5pi6ft , t3 rcw,izif.zc*pi3x*ld

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frobk)esxgx5 l71;gsg 9 s1a/tpzm

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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 t4c tne/kyo79cn/.k ophe 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 iso7eme0.6 khcy9q,qhj doubled, what happens to its resolving power assuming that70 qkjqhy,h.96meoc e 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 far point of 18 cm. What lens (in rh,l5z /mn2bkdiopters) will allow this person to see distant objects clear bn5hl,rzkm2/ly?

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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 kg vsa q9 ;ycpacu8ft33d/0j8 cm away. What power of lens should b9 pq 3f gac0vt3;cs8ku/ yadj8e 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 alhy s;4h/90uebx w.ghave power of -0.15 D. What is the person's far point if thuy x0;.9lhab gh 4we/se 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 correctu 4;jvoa a*u9;zgg2ho for farsightedness where the uncorrected nearhgo;4ouj; a9 u gzav2* point 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 farsighted person is 100 cm. She places rean y75gunh) 5tading glasses close to her eyes, and with them she can comfortably read a newspaper u57na ng yt5h)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,p sb ki6uzvyh2)l 9neod2 ewa7b 250.u if he wears glasses o ebslkn2.hd6uyw7)a2uvez9p250i bo f
+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 dl9hdbrklxc9+nfp ;m 667d7apoint of 25 cm. What is the magnification of the lens for that person when their eyr 6bn9k7mdhll fda7;pc9+d6x es 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 length of 10 cm.*, 0 brre4dlrk A person has a near point of 25 cm. What is the magnification of the lens rd0e4kl ,r*brfor 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 ha c -1qe(vks)ils a focal length of 7.0 cm. What is the magnification if the image is vie(ikec)q1- s vlwed 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 c(em2+ dffg7 ;v;gyuyckldbl+zc+-w, m as a magnifying glass. What is +gkce (zm;y+wvdycld+ f7;bu 2l, gf-the maximum 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 f5tkg+c4 4wv3m d b1nosocal length 5.0 cm as a magnifying glass. What nbdsw1v+c 453 m4kogt is the 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 2.0fel8e2a6: rlly/g4 la cm, 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 t/4lg:2e la8elfrya l 6he 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.jgueh5h42rl 85w,mf q 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,2gr j5eqm w4uhf58,l h 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 telescope has a focal length of 200 cm and its eyepiece t n5kfgkp 6o(u; 5(x6a-nabs wif,/qqye0n5e has a focal length o q( ok-geniun( st0ya5w6/qe 6n fk5,a 5pxbf;f
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 astronomiko 4 4fu2ouj,m :izut0cal telescope with a magnification of 10. If the telescope has a convi2,uu m4:04jtzo ukoferging 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 a mawzeu726yeq 5,(x plf tu6p9fvoqa0a-gnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lengt6fya-eou0fw7 ax9 ul,t q vpep(65q2zh 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 th*;g-byp u7 ( wv 2il+gdp6 hjh9hpb-vfe telescope is limited to a length of 20 cm, what is the approximate focal length of the oh hb;j 9- yvip6(fpw7+gd*-b lpuhg2v bjective?

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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 eyepi/q7xcp:f u;pke np 7t8ece of focal leng/fnx;qpcpe t:p877k uth 20 mm, adjusted 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 lengb,ki8wy ybaod /1 -7xmth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placym xabbky,o/d8- iw 71ed 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 h5x6/ q5j.xp +jdjj8 rdcjyisa ;g/.wtas an objective with a focal length of 3.00 mm and an eyepiece of focal les j5jx;xwig/. +58j dcjqp6yjr .atd /ngth 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 objectiveyd:hvnq 40ewa s gbw:o5*pt(9 with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification opte:: vyqdg4nh5(w*oawb s 0 9f 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 separatw2 qm05 x7 zdbtzj.h.cion of 10-5 rad. If the wavelength of the light from the system is 500 nm, wjczdz 5xbh2w07 qt ..mhat 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 microscopel*g pn ax-cj*y;1k/it is designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the waveleng jnipl t/*ka1g xy-;c*th 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 changes from a diameter of 3.5 0c3ke -3 (i;w vzh g0t*rgrpxymm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chang;0-zirpt33xch k y 0r(e*wvg ge?

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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 orqw5b8 (q5opoxrq 4 d1pbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 508xqwq5b4od ( qprpo150 nm?

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    总分:51分 及格:30.6分 时间:不限时
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