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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 iv ::v1j,,tsvz7jv3ml4y dj t dn a camera is determine3vj::d vtvjd7t14js, l,zmy vd 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 a camera is determined waacgqe: k-.6l3esc3(sj; a oby 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 camzzcy , x;: 4h,g.p1yhrb.sg ymera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such1;h:yhrggb. zmcsy zy xp 4,., 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 wit6dg4.mb 2b + qxzxyko1b9w6kj h a field of view that corresponds approximately to that ofxy96bz+ db qb6 .okjg42xk1wm 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 refl ad .2l.cdo;berred 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 wiapoh4ic e c-p.4v ;w8bder field of view than that of the eye and through which objects appear smaller is eo4.vp;bh8c4w a pc-ireferred 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 wrs eb2x 7-)hs9odr xf7q3w3xg ays 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 at tzmtmoj +jo5e vya7z3g (61* b4f t9zouhe

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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 cj ,yhts9oz5f1py 3hd7 learly 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 clea1c yy3v znsi3:qtfb xr s-70rpi s-)+frly 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 2b;sf7wjpwo 7 long from front to back, the person is likely to suff;fw 7w2j7spob er 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 corrected wily:0j:uoyw) ith

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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 fr:wni ; (rmzi: tlj+sm/om front to back, this gives rise to a vision dem/ il(;+nmjrs: w zti:fect that can 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 front to back,jlom x8- p /d6hop;v8vgvw-w1 the person is likely to suffpw vj6-v;8whm go p-ol8xv/1der 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 be co9.lxj- lq)j6y zkha y-rrected 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 1z9 ry1(jt4ee vl:8 oi iuz5vu8kefp- from front to back, this gives rise to a vision defect that can be correc8 ez9k 5-if (ypo8z :eiu4e vr11ultvjted 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 gyw1ir96me9li)nh l n:lass?

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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 o8 prwt(ae(kk 2bjective in an astronomical te2(ktre wa(k8p 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 refractinrs -14i 0cbhtrg telescope. Suppose an opaque screen is placed in front 1ibrc s04 -rthof 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 has uniform z0xsap*p gn.* sensitivity throughout the visible spectrum, in which of0zn*p sgxp.a * the following cases would you be able to 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 telescope has a magka7h23tk 1ui jnification 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 toqg ,1p7(: q abs+whiao,rmj9r see the greatest detail when using a microscoprq rwh aq ,jp7m bs(+19iao:,ge?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer ff5yc2:8e7/ fj obgn mxrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer ts-,yhroq jsv1d1*05;by bjs 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 microscw/y , -nt x.kcod2pxczlxh6//ope 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 :9,n+rmvjb7 wxc r;qj; hyn u .d8yr/lhappens to its resolving power assuming that all other l :r/7jju vq +.wbrynnmr89dyx; ;,h cfactors 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 ovqc9,wxs :2d0dlf4i* yk6xhg f 18 cm. What lens (in diopters) will allow this person to see distant objects clearly?4lh6 yiwdgf ,0:vx2 ksc9qd *x

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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 away. What powe- xsp m*9pxjs0r of lens should be prescribed if the glass is to be worn 1.00 cm in fps*xj0p-sxm 9ront 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 podz6xetp y05+ fof z9lcs: v**awer of -0.15 D. What is the person's far point if the glasses *0adlfzpec:fvz*5 9 soxy t6+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 ffy7g2p (6t1vk0 eijeau,vp1r or farsightedness where the uncorrected near pointrueyef v0 2(g a7j11pvip 6k,t 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 readiv+gs,,c s g3.6r r.qb-g rkkiing glasses close to her eyes, a.r,rs gci sbgq+-63igk rvk.,nd 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 wp)9/rml;/9 nr tkc;a -zyhfshe wears glassyh)tfm9p-c kn; s ;l/zra9w/res 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 a6yc sv rb(g,1x focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infinity? cx,sy1(vg6 rb

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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 gzze 0(0vn0y m )tx7qrperson has a near point of 25 cm. What is the magnification of the len(r my0n z0x)0ztqvge7s 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 ,q gnosd +w1 ly+* mn0gpy;-thcm. What is the magnification if the ,n+ ;0y-pg1*ndto yq+wsm hlg image 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 convx/j09 v9ni.*c, wfubaux d- 2md1wv +qwx.mwuerging lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible mv.w+dw1w bi- xxa 92ju0 ./mvqdm 9ux w,*fnucagnification?

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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 foca 9ce-rlkmv.ezq(q81j l length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relax meqre1 9.-l(vckz8 qjed?

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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 16.0 cx;wsp ui g2j-1m. If you were to use any two of these lenses p2xgu;wij s1- 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 lenva8u6k+ o eq2dgths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of thes +6 vdek2ua8qoe 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 length of 200 cmk+)wz w)cgj5g and its eyepiece has a focal length)+5cjzk ggww ) 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 3a+hm 8kylm2lastronomical telescope with a magnification of 10. If the telescope has a converging lens of foca2 kmy8a 3lhml+l 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 telescopl 6f1 6awbum(de with a magnification of 10. If the telmu 6w6b(1la dfescope 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 designin u2j*wj,c8 6inph l6qsg hawmn kb*:;)g a 10X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objecti;wa6*wub *ilq h6j2kc,p: ng jh)snm8 ve?

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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 okuggf3q*;el *f focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the obj *;gklfqe 3*ugective. 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 tu8q)bq 2jmk( mm and an eyepiece of focal length 20 mm, adjq 8t kq)(2jbmuusted 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 microscoped(r p*:+f hfly has an objective with a focal length 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 thefl :(d+ *pyhrf 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 o3c,/s fgr fhyq+jji11c4,lm has a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificaf i/+3gmhy1 oc c,jfj,4q1 slrtion 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 se b3 +feg)w9twzw.s nx9paration of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest a 9nx 3 s9wzeg.tw+fb)wperture (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 rqr)b;s*j;n o7b.t pl cesolve objects which are 0.010 mm apart. If the focal le s;btqnc.7*j; rl bp)ongth of the objective is 4.0 cm and 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's eye changes from a diameter v-p8vw:3sqtm )w /d tgrzi2k3of 3.5 mm to 1.5 mm as the illumination is increased. By what:w t)23qt-dvs3v/p 8w rmigkz 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 been placed into Eart.bs:oi g(n,nmh orbit by the space shut:sngn,( bmoi .tle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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