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习题练习:Physics Unit25: Optical Instruments

 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 anisc+.(p 2 9ky / s-hufs4mthvy xwvq5)eq)e0gd the film is exposed in a camera is determined bs es9 - mu +24 tfkyysiv.0wqhv5/ gh()qepxc)y 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 determined 0l)v m4 y.j,irl)y:e tpwu0wk2g0f vi 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 ref)wudvgz7l-2 dlex camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with ) vzgw7u 2d-ldsuch 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 coverskf/l pe4(pg/b the film with a field of view that corresponds approximately to that of normal (/p/e g pbl4kfvision 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 imabads91wl zd5xos p1 9*ges 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 widerffr1sle(yni e3 jc(82 field of view than that of the eye and through which objects appeare1(8 f3sinl2(y fcjre 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 camev.lg4m qzd3+ ld)a(hyra 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 eyyt(5v/joz6o f.y) rus 3(rjmle 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 objects clearly 1;uv7 3ayt nmsis

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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 (yzzr.e )+:wp-pa :ytue8 hf+ mhmi2ncan 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, the personr)v; v5dsv/xwyqihu8 +o+a/ p is likely to suff+/siv y ;axo)wh/d5v pu +q8vrer 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 col xshitv+ t/ufej7.13 rrected 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 l: /sdb+z 2tz k.8yxlpback, this gives rise to a vision defect that can be corrected by/z ty+s8 z.pk bdxl:2l 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 j w 17gp0)v0qzphop 36qiia9tk2 6uudzvs,0wfront to back, the person is likely to suffer 6 g9zi0t16ppqu kiqvw0p 0hazu3) odwj2,7 svfrom

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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 correc0:,/+b r3p6li ckctunotewq 4ted 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 short from front to back, this gives rys02g isijqum7.. 6v sise to a visio v2yss7jmiqu. 6 g0.isn defect that 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 magnifyin + .;b5gp hcx9x g:inwtkbmtb;8qy b.+g 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 objeg3 rrj twfg ha/8t2/s9ctive in an astronomical telescope2r 3t r8 aw9gtgf//sjh 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 scruox-0lr71if ) k 0tnofeen is placed in front of the lower half of the objective lens. Wo0tfk7 rf x-nui)0o1lhat 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 tb,op*p funho2/s/7 gihe visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced hgi/ u2 /opbo,pn*7sf 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 may5 nvg1i(hp9z1vf,chsl9g o+gnification $m$. 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 to see the greatest k,xo0 /p.x igc04twnmmi8qo2 detail when usin4m i po/0,cqimxo8kg2ntw. x0g 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 suf2ulqe8iz :t8cv amx.j, (v/wr fer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufu77nq(ax4 o qfb pypkt/ 7tp).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 u2hq; * xgztvw9v c+e*microscope 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 doubled, what happens to its re ,*z09 nkc,j fkd:5fv//a gvayte)be lsolving power assuming that all den)0cjy a, a 9fkkb5 z*:v/t/,fevlgother 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 pointei1lzyhj ,.ulr1 5p 5x)o.nad of 18 cm. What lens (in diopters) will allow this person znl 5 op).,ue x5.hrliy1adj1to 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 awa72fl ae up2(she/lh6my. What power of lens should be prescribed if the glass is to be worn 1.0eu(el sph2ha72/mf6 l0 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 whhv.i) i+.vyn1 ;dw.kk8t dfngose lenses have power of -0.15 D. What is the person's far point if the glasses are very clk1nd.i v..k+wvhi)dy f gnt 8;ose 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 ni q6mrygds 7/4eeded to correct for farsightedness where the uncorrected near poin47/grmi sy6qdt 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 reading gl9hapa c rjdtu5:*.:ffasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What:.fau*tr hdac: jp 59f 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(k au8ou93,tbv jv tg8 from his eyes, if he wears glasja98k t 8(v ,ubvuog3tses 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 34rzw.ci +e*xd mljp h2:pb0m 10 cm. A person has a near point of 25 cm. What is the magnificatiw+.ebx*d4pr2lpz i :03mhjcm on of the lens 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 length of 10 cm. A person has a na,8rfv6*jde hi-k( kj ear point of 25 cm. What is the magnification of the lens for that *jd8vj(,hf rk6kea- iperson 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.n7 n7gi8dhe9 5/ wwum 5mg(nbs What is the magnification if the imageg5w(d5genmhu7wn bn8i m97/s is 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 focall sc8,5 :kz. ammrxlvt glk/1( length 5.0 cm as a magnifying glass. What is (lvs.,m/ x m15ckrl:kzltga 8the 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 focal length 5.0 cm as a magnif45kw350bkd-o nx )f nkaih) r-glu3acying glass. What45l0 -g 3nrfcad bk)ouawxn-k)k5i h 3 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 focalkrt s5aek.,l 7 9rr(dq lengths 2.0 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 the m7sql9dk(5ratk.rr e,aximum 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 w um)h3s*va-4 c8 ckdmcm, 8.0 cm, and 16 cm. If you were to use any two of these lense8h)kc *v4c-u sm3 amdws 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 telescope has h7a* cdlox-e4 e4q6xn5a)k0c7k l bzaa focal length of 200 cm and its eyepiece has a focal 4n e40*lol -d6a c)7xk7akqz cxhea5blength 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 bm t.-9 wmkuy3b8osz : j:f;kuan astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepis wob;k:tufyzmbk 38:u 9-j.m ece?

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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 tel :+gbw2:xyv-xa x6zx,c4ri4 )xxbg de)ifr;rescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescope xrb6d2xz),+g)v4rcyf; e i : :b rgxix-wxx4a?

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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 izk;.mzmkxmt 2,2o kxcs s78s:s limited to a length of 20 cm, what is thec m:7t2xx, 8ks.k; zmksmz 2so 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 an eyepieceq;a+5b)k(gt ihpdrhj : gc,a; of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is plack,q d gpt:a ) (+r;g5hi;chajbed 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 1.4 mm and an ei+g.dkgh)c .oxl 1djkn2: zdu ;0tcv9yepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the )1n.dxz;hkv dj.ok9dg2u+ c0 tc:gil 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 mm and y gt3az2rlus2mu li*ycs0)l h5 ky+*:an eyepiyaktu)5*y*l yz+3sh2 li0l rscgum 2: ece of focal length 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 o5az a)qeh12 w6qob+iubjective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificaz i b5w)62oq1h e+aqaution 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 systempi 0ol u+czhe h/./y cwd3u.e. in the constellation Orion has an angular 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 can juz e..0h.cc+o iupe/ wh 3dyu/lst 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 tgg 1a r)-9.ecm o4px 0dun:zcco resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm ando-1:pn cru)9x geazdc.c 0mg4 the wavelength 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 ;u 0:c)vckafq's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor0kufacqc )v ;: 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*s;/mjl3wtt i Telescope has been placed into Earth orbit by the space shuttle. What angular resolut3jltsi/w* ; mtion could this telescope achieve if the wavelength is 500 nm?

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