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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 exposep )rk3j hsa9w ++uyw;kco2 j,id in a camera is determined b 2;c o+su 3kawwr)j 9,hky+jpiy 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-pxuq33uz -os1mro.w;uo x 0n film 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 distance may be varied byyuhua i,4x 3z, sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture 4h3,ai u,zuxyis 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 film9 c:r5 z9:udvvk4rlst with a field of view that corresponds approximately to that 4u d5kvszt9: l vr9r:cof 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 images is referred to as e;6ztv qol+83 klb,i-6 axwmi 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 t:f1f 1nipey o*ew9o8:q bqrd*han that of the eye and through which objects appear smaller is refer*yfedeq1 8:ino1f r:w o9*bpqred 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 diff lrwp639/eat werent 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 b( xb dn:ba (5gjyq szs:p0 x:(rff7*diy the 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 w9r5 o0xqnhd d 8z)n+cdhich 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 an eye can see objects clear) )5* qlprriy(w,9w,v wrbuhkly 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*o4r ufexr)m;4oq fe0d0 o4ka is likely to suffer fq4x;dr0f) a4* fe 0km eu4oororom

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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 corr(jn+s.g i,g v0)vf2hy1uc opk ected 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 lonysno 75 xa2r6oqjw :,dbn:z:p 2hc h*vg from front to back, this gives rise to a vision defect that can be co y:o5x w:d 7 ,26:rnsop a2hqhvczbjn*rrected 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 t. d2imh9 5gmqkoo short from front to back, the person is likely to suffed25hg mmi9qk .r 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 berj b/(ph z1beu2zt3,pbnr z:, 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 shortp ngcu e;g18x6sl 1x,m from front to back, this gives rise to a vision defect that can be corrected b6;c1gne8,gm1 lxx us py 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 gl0yy1fm /rt/;l hq*ihe ass?

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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 mnbs r2;to l-7astronomical tet2-7 lm;nbsor lescope 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 te8 p piuptb;*i qc80m*v;c/f s yg0v3lxlescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. Whaymv p ; pu/*xii*s8g0tcc;03f vbl p8qt 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 th3,dgjot7en 7gjd.fq vebk(,2/hs f( re visible spectrum, in which of the following cases would you be able td7 js(n/f j 2heqo(dtg7 gk r.f,ebv3,o 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 telescopezx4b if41qm 5y7m9nsn has 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 expect to be ablehghzy7f0a9bh1 g.s/jn,gan;b t p0 q/ to see the greatest detail whennh0gpb 9hna/gb;qf.hyt j,z7sa01/g 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 suffer frxs,++sn sds-5;;rn:ls lhs d0hf my3ke f3vk*om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frd t5ia))g)+ fi+74qq 9vv p sdjk.ym9y pqjj-kom

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power i2p9bhd y qdh d;3 0q+l+2gnnxof a 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, o*up irb 26-oawhat happens to its resolving power assuming that all other factors remain unchanged? Its res6 ur*ipa2-oob olving 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 dioc3)3js a) , dzq5ftijxpters) will alloqz cj xt 3)5,a3difs)jw this person 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 /t01/ hfm,..pav6zwx-gjxehd h 2stdo*ml,e more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of f j/, /0-tp2w6ods. vh mdx,lh*h g1x.z emtaethe 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 powys7 agq,4n 9wuup.jvm )+j2zqer of -0.15 D. What is the person's far point if the glas4. + g9zup,aysvm) jn7uj qwq2ses 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 farob84gfnvdint5tra s*ud:0f vmlt x ;5 *),qb- sightedness where the uncorrected near point is 75 criq m- bn8 dd4fn*)5fs:b tlt ,x* ;0ovvtgau5m?

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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 farsightic3pnagg9ewxec-srl;*5b 3 /ed person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a /x-eip*ar;5ccbwg l9se3 3g ndistance 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 r q2 iv ,d+je+(c)wwmn h qar9efa;ed58ead a newspaper held 25 cm from his eyes, if he wears glav nhmrej)eaf5(daw e9qi d+q2+;w 8c,sses 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 poin199 wha1y wq v0c3p+ze1m xgmut of 25 cm. What is the magnification of the lens for that person when the3099+c 1zqwa g1e 1hu pwmvxymir 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 oc la3n7(dadpwnf4:n-ep r..p f 10 cm. A person has a near point of 25 cm. What is the mag4d( afcnp7:n.w. -n3aldprpenification of 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. What is the t kwn k.)nf8zx v7u4clls78x)magnification if the image is viewed by a relaxed utn7xsk ) zll.f4w) x87cv8 kneye?

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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 glat.)lcx k:53tq*iz a hnjr+ ip;1cxz9css. What is the maximum pozi9:txjkc 5nx1p)r;q+ahcl *.3 ticz ssible 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 convergingdski0k5ujk *u5m1vm2n;)slk*h e7 zb lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxed?kljmdu2*n1m k )svu5z0 *i5ksb;e 7hk

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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 ebc:dzg r1e7fy 3r+b 12.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of thesgy3rfde:re1bc+17 b z e lenses to build a telescope, 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 2.0 cm, 4.0 cm, 8.0 fm;hzm0r a*ww2aqy)4.j 6+ n kq;kyzwcm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lenr;m zz ) qhma0.6w4kw 2wy;k*fy+najq s 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 lkk( y -:ptwc4oength of 200 cm and its eyepiece has a focal leng: y c(kkow4-tpth 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 telescope with a magnification of 1.1pw tda*j*o u0. If the telescope has a converging lens of focal length 50 cm, 1 * w*.oputjdawhat 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 10. If tf0e3 ,fviu0- 0eqab;fmg.s sc he telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescope?fse .-00a fc f qismug0be3v,;

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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 is limited to waxm rl, (le o+m5,e7fa length of 20 cm, whw5 (al7 m,f x+oe,mlerat 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 lg/b/gw a16jisens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far agaj g/ wb1si/6part 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 l0ahx/2+jdr46fp: pf/ xlq aw1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnificati l026hlpad:/f fxrj/x q4pw +aon?

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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 len /ugib )cu6.vtgth of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificbci/u.)v u6tgation?

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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 objective with a foca2kdhu- , 5msxql length of 8.0 mm. What is the focal length of the eyepiece to give 2suqk5 h,mdx- 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 Orion has an angular separation olza: )t8 m:om l73sfpf /vn3 .koci/xjf 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve the two star7kmxzic8 :/tvnslp/af)l :3 f 3jmo.os?

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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 0:1 ezelaak8u: .010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter ofl8ez:ua1ea: k 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 mm to 1.5;zs p o 2pxq9h.m5rvb50so*oy mm as the illumination ypo5sm0 ps hxq2.b5or *;ovz9 is increased. By what factor 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 bhv xbw4 +z-h4mbf+gdb,g1i r-een placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavebwm-dg+ 4h-x bivh b,4gzf1r+length is 500 nm?

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