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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 and the film is exposed in a camera is e)vm; w( s.k:-li (ld7bx 2szcetxb1y determined by tlm b-ex7i:ve (swcx1s(z2t yd).bl;k he

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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 ivon vr8 j(;0uc4s5j0rpcmt 1by 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 reflehn s:bhsxd3 + e-afyfk0lc7;6x camera the lens-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 means th0xdln s-;sf6fay+:h37eb k c hat

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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 witcihwt((spxz o 92v/ 4p/* ajnuh a field of view that corresponds approximately to that of noppi hjwcz n 42*v9uxsao/ (t(/rmal 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 images is referrevw(b*;g iia uiwbe9ut5 5-7p( ujl8 yvd 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 wm2+2sshgnqa (2r r*xj ith a wider field of view than that of the eye and thr+(2a jqrm2s*2 hnsxrgough 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 human knh 7g5f oi9+r f04iuyeye?

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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 oc1/wi1 qej idiod6r )b-curs 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 aw q7.*y6j2moj xasje( xbz6.o n 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 whichh .+hcod- skv, vk+r(/g.iwq w 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, the person isqai3(7i9( 1 iuxbiuqf ;co yd4/(is zv likely to suffer froi (1 (iu y7;fi(z /cbqu sq3a9vxd4iiom

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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 corrected wapl,*oha /:ub 7f/ thuith

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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, t skhm7(d)uov1y. k+ n(bx) o zcxz8r9lhis gives rise to a vision defect that can 9() x krz.coon vh8(xsduzkm 7 )1byl+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 iyz;a-wugml7 ib9 8j 5front to back, the person is likely to suffer w;7 59u- ii jbzgay8lmfrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualm8uo *rzx:8 1 p:zkgaat// ,1rxzuayn *t g0vlly be 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 shorte7m p*lu p,iwn 7+2hye from front to back, this gives rise to a vision defect that can be 7n,p peliuhye*m +2w7 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 magnifying gvy.) zbk2m7zm :2mwi ylass?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason 1c;weoroni kw: 9o *h9for using a very large diameter objective in an astronomical telescope we oo*r9i:kow9c1 n;his

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image fo,0umac8 ga5v z5xi s,prmed by a refracting telescope. Suppose an opaque screen is placed in front of the ls paza0u,55vx ,8cimg ower 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 has uniform sensitivity152rn * eeh-azt fl4jw+efl)q throughout the visible spectrum, in which of the following cases would you be able to best distinguish betweenq rh1-)zaeflf+ t5wnee4l*j 2 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 magni3e sb:a3s6uxm+ pn9-pp z*lmlfication $m$. 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 wo1o 9gb3(pb- hkheycpz hna2 5p2*fhf0 uld you expect to be able to see the greatest detail when using a microscof 9ap-2po h5(hn ebzy1g0bfkh*p3c2hpe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer y05 s(xh w(xp0d(bw rj3:df qsfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fr42cpu2 fy b4dh)f4hog0kwq5z4 427vv ryh pstom

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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 the ab u9nhqn+y 1ih4 zlq2v3ility 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 ra sb7tp4c j*( a wkgqr4/.9.a nsd 0joycvh0w5zdar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its rs ajpa/vr5w 07zb4oyj.4(n0 .cqd*gc stwkh9esolving 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 poy 0fz)xbe 29exh6rdar8 dg(:o int of 18 cm. What lens (in diopters) will allow this per(gzy80r a 6hx: fxrb9 2)doedeson 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 objects more than 70.0 cmq* xb0 8ps b/j2j dn:lceu1j(u away. What power of lens should be prescribed if the glass is x ne:b j0jqu8pslu*djb(1/2cto 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 haa/audz,(dl5 s ve power of -0.15 D. What is the person's far point if the glassed ,ua(sl5z/a ds 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 )n 5.a,eddtr, ag4kmlfarsightedness where the uncorrected near point is 75 c madd4a n),rg,kl5t.em?

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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 plac wt5q 2u33(a+mhpqicpes reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is required?q5p+ cuq 3ih2wt(mpa 3

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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 newsp 2bzcdsjew )hv4j.+t+hd j1- paper held 25 cm from his eyes, if he wears g e+ j24cw.bsth)zph1jd- v+ djlasses 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 person has a near point of 25-6ob(gdxd: yl-ftl 3 z cm. What is the magnificationog:yl zfd 63tl-(xd -b 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 ffli,(i1))vju u y)vrf x41mu aocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of1vuifj,)1 mar 4)xu )uiyf( lv the lens for 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 has a focal length of 7.0 cm. Whq )rcwg99u n)wat is the magnification if the image is viewed b9 g)wwc)q9nr uy 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 magnifying glass. W/8h vpcg nd*usi5v)1jhat is the maximum possib)1spu/i jgcn8d* v5vhle 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 lecoty 0bqz (f*1ngth 5.0 cm as a magnifying glass. What is they1(bc0f tzo*q 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.k ua8 xt369 kq*poh)uc0 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 maximum magnicp* k9hu)x8atou 3kq 6fication 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 16 cm.rcnd i- 6e+zq3 If dzce-6+rqi3nyou were to use any two of these lenses 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 a focal lengtlgk8/me .bnvk6b(*c lh of 200 cm and its eyepiece has a focal length mk/cel. lvknbg8b(*6of
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 telesco6zmm r g6fno,( /mc2yxpe with a magnification of 10. If the telescope has a convergi y gmzc6rmn(/2,fxom6ng 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 magnification of zp0atx-p 4a f-y54sp 2ydintn+y w*:o10. If the telescope has a converzot 4ywfy+ndp x0aap5i4 p*y :s2 n-t-ging 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. If the tel:a*oejsh bz)hf+hqnby )2m)+ escope is limited to a length of 20 cm, what+: nqa b)b* oes)fzymh) j+hh2 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 an eyepiece of foccnh h5waj8j*) al length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are the lenjch *85)hwj anses?

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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 ae -hg0m/9twqen eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sampwqe9eg/ - thm0le 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 witxr/5kd1rg *lv e jq1fk -z39rlh a focal length of 3.00 mm and an eyepiece of f3l-*d1qkr r rl1v 9x k5/jzfegocal 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 2x;3 fmnmb; xhigzo*1and an objective with a focal length of 8.0 mm. What i1x2 mbx*;oi ghn;zf 3ms the focal 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 Oriolm ii5(/blux; n has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what iu( /bm;xl il5is 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 0.010 mm 8rqu)xe/ +f0hj efn( capart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 n)jerhq8 (e0 f x/u+ncfm, 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 ee: vu+qk x7o(v1tde33.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chan7v de 31vt( kqe+o:exuge?

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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 orbitn38ulsx) l ol2xy-8 dr1dm uo* by the space shuttle. What axsrlx1) o do ul8dn8ulmy2 *3-ngular resolution could this telescope achieve if the wavelength is 500 nm?

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