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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 94ld;9 yt 1viurn y/euiyf:e 6film is exposed in a camera is determi 9y yy/dvf;ln6ie4:u1it9ur ened 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 reach7n+- .jb vhcvling the 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 da (g)o:mcwpk 4istance may be varied by sliding the lens forward or backward with respect to the camera housinp :wk ga)(omc4g. 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 withb* vvm)z tg4b: a field of view that corresponds approxim bt:)gz*vb4m vately 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 images, xo+l/nzpv 1l.lw7 sug.8tg a 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 wider field of0 vk ihs6wah r,to bu/30/j:mq view than that of the eye and through which objects appear smaller i/hjb sm q:vh3a,r6uti / o0k0ws 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 frm1 mrifj3u*m ot2f+nd + , y,iwfaf9k6m7 r*woom 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 t e3 si 7pqh1k5m(mb1gthe

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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 objectos msl 1,n; +nav1o;2lcz :em0e(h dsbs 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 vv c6:7v7g6txu rq:nd which 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 is likely2 /h:e5v apxgu5l v/tglv;ur/ to suffer frol uu/pv;htv g2/rv g5:exl5a/ m

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually bcqp,orr4h . .he corrected 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 fr(c.fo 1hjsj m/ont to back, this gives rise to a vision defh/.jo(jf1cs mect 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 to,tx5bi v+5 vh4xhv8r6b lyjo -o short from front to back, the person is likely to suffe85 j6bh irbv hx+,4x5voylv-tr 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 corrected w p5eu6dmxb7u2 ith

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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 56jvkpxda 33 w uszcnp j+3sg6(pya;8front to back, this gives rise to a vision defect that pc5pjp8;a3knsg xy s6 j+(6zw u 3v3adcan 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 magnif2x/bd8 9 psbmmct(x +sying 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 fq,j pd;5ap kr,dt0g(mor using a very large diameter objective in an astronomical telescoped,0r gj,tmkp ( ap5;dq 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 screlrh.i+ lfq686 go )dvcen is placed in front of the q.fg d vr+c)i8l6h ol6lower 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 sensitivity throughout the visible spectu* 8ofj m/ s+cxrsxxt-tj:)u,rum, in which of the following cases)/ ruxx ,ou- m:tfxjts8s*cj+ 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 magnificationis..pe+sg4l8 : zbimku ryfexz08 t0) $m$. 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 azbfys hsv+x058wl 54enh ;x(ible to see the greatest detail when using b xhs+i (; x5fz8 nwye40vl5sha microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff-3xbo e8 qg)gqer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf: sls , rut.3l)(luhiqfer 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 micrcal: t5rg )(ifq0m 64naq u8pwoscope 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 to1h5n pwr1-g i-m*wy ku its resolving power assuming that all other factors *5 p1km-w1ughnriyw - 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 (inp)or5- g ect g a+s*r8k.0frgl diopters) will allow this p+erotg- sc)ar8g* rkf0.5lgperson 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 oiy:m7mn+: +l c 1ga4wev4u1 z llz :hsbf6/kdrbjects more than 70.0 cm away. What power of lens should 1h ml wz:4+:c ynr+bda7 6lkv :eisg/u4fmz1 lbe 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 r pq.r8ha2) pt/ jdv+jwhose lenses have power of -0.15 D. What is the person's far j /tdv8q2a j.hp)+rrp point if the 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 correcb-;hpk/8p vk:zhbz bsr0f q-:t for farsightedness where the uncorrected nekb :-f0 zkh vqbp;: hrs-p/zb8ar 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:3h(x x gzr1si person is 100 cm. She places reading glasses close to her eyes, and with them she c gz(x1sihxr:3an 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;gf9(r)yrjqkjt+hf3 d q 4 b;)p-bznz his eyes, if he wears glasses o)4)ztg b- q3fpjq bzn9 r; drhf(+;kyjf
+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 oft:6bw5gstpy u 2p:c*z 25 cm. What is the magnification of the lens for that perspt:stw:u5p c2 b*6zgyon 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 near rf.,zge*dgf s4 zz1/ kpoint of 25 cm. What is the magnification of the lens for that person when their eyes arekzszde1 4g. */, gfzrf 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 magv4alj2glm9 g4om;uiud7 um w. s( a/g1nification if the image is viewed by a rag(4lv/gu7wmulg2m19d.o im sju; a 4elaxed 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 oop0f13bvz lymt 53/qun kdddj +;rl,0f focal length 5.0 cm as a magnifying glass. What is the maximum possibd5;d zv+df u/ym,0q to1303pjknlr lble 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 f/ 93q fqx/aovk rh+)lmocal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxq3x 9 +oa/)lkv rmhf/qed?

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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 n5+m2r;c:gk(mklr f xof focal 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 maximum magnification you cou:fmr; (nklcmx+ g r5k2ld 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 le1ew69m rd dm8xngths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens8w6m r1de mx9d 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 i:l w ds 9;)q,ooqv0nllts eyepiece has a focal lengtloq9:w 0dlvl; sq),on h 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 te vcx x8 r;fha3j2k3:) mi9sn)t, durbzlescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, whr)9tus nvai2)f x;,dj3bk83 cr xzmh:at 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 astrv7vkj jq(,+1 za bb4hgonomical telescope with a magnification of 10. If the telescope haj(a 4g b,jb7k 1vhvq+zs 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 designing a 10X telescope. If the telescope is limited to a lengtsq8* wd-0*j t qppes/rh of 20 cm, what i*/wjs 0p q 8rqtpe-d*ss 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 objf/89pz 20f r;dfh-(q khxh 5xzf2tlab ective lens 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 x8hfzth b/2f-( xhrp2z5q ;9affld0k 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 objeckbq4an 41ra 4otive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjus rakqb44a4no1 ted 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 microscope has an objek :f5rdpub ql8e2 8fg*e 7i7cactive with a focal length of 3.00 mm and an eyepiece of focal length 67*7:l8uag2r8bc ifee5pdfk q .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 objective k9x4hm 3i6gwm utf+q0with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a totalfkg0h3 6iq4+9m txw um 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 conv il 8m(mb/pg7vr c io0a9bq(:stellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smalleilci: b p0g9/mo((mv bqarv78st 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 apart. 0d5lwdaq0vt 1If the focal length of the objective is 4.0 cmdaqdv05 tw1 l0 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 eyiw smc(c0)gz/e changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resm(cwicz)0 g /solution 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 Spacb m*qbj x(t05fe Telescope has been placed into Earth orbit by the space shuttle. What angular resolution coulbfx*jqm0 t 5b(d this telescope achieve if the wavelength is 500 nm?

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