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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 th z1: nb;:(u-r:jd8+x psuhh fk4uq)wu5knhx he film is exposed in a camera is determined b (n+1qkhp -runx:;5ubufkx) h :8 su4hzd:wjhy 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 tikbn+.+ens o /v*kk 9c-q6qeeitt *p, he 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. / l ahdyq)9c ok48umnfk;d1b by sliding the lens forward or yqd/1mkln8k;) .dc 4o fbh9uabackward with respect to the camera housing. 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 with a field of view th3o,ad:ah / lqqat corresponds approximately to that of normal vision is referred to as aa3l/q q:aho,d

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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 l nee*+nkr5 abn4vf99to magnify images 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 th/d3/ ui a ; nmhq4ytyc;w*ps*we film with a wider field of view than that of the eye and through which objects appear smaller is referred dti;hy p ;3/ycanu/ww*s *m4qto 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 wp-1vnu+ny/vpgmx ( 3human 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 eraf5n s2xd:jjf0d-h8ye 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 distanceo zjm+bat yq/13 ,+ox-oe c-eh at which 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 obje0y(p/jj iq,s*ldv7x ihazp+u 6u9pm 8cts 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 likely j taxr) j*a8jfm+b+f4 to suffer fromj8+j)ar+*j ftxbam4 f

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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 withzlww0px:lq)y0,yb -q:g gu 7zihx7 7 v

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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, this gives risq:o)-gll;oct s*r9 et6nu v 9j2a x c:yg7pmf*e to a vision defect that q-p: 2ml o*:u7e catv)g 9rn6;xtly9cofs*gj 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 eyeballgxf(m9h8rmbl b czkui 5n 4w 4/v9;qj3 is too short from front to back, the person is likely to suffer fronqh9b3 w;5g9fx(c/ 4zkmlu vi mjbr84 m

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usual2fr* n hv t(g32kfx0yvly 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 short from front tod8 5o+p0cau .gazs e4z ux;g1t back, this gives rise to a vision defect that can be corrected;pu5z1u8 s .4+cdae xtzagg o0 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 magni)wzzpv.hjzj+ t/7ziy3v 6tx ;fying 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 lar69aw n xzurv22/n: eiqok/ 5gige diameter objective in an astronomical tewi 2oxkrg5i/un /v92zn:6q ealescope 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 refracti2nn ,exd za4:zhfmvtf/ r5,5 bng telescope. Suppose an opaque screen is placed in5z:a,/5 xfnf rb 42 tehzm,vdn front of 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 haspck)xv:j1.1*s sp zsr uniform sensitivity throughout the visible spectrum, in which of the following cases would yp.kc1)jvz*: sps1 sxr ou 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 ma;k. vs biec25rgnification $m$. 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 greateq(*42i aqgkglst detail when usingik 2lqa(g*4q g 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 fr(mq hxajp+si+r)d u43om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fw( dx7*5tjwnb rom

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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 mb632 k6pczfo 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 resolvingbq*t9x*u*e:ugj/r bf power assuming that all other factors remain unchanged? Its resolving *ub bxre/gju9f*t:*qpower

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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 ax3)fim*4 mj d18 cm. What lens (in diopters) will allow this person to see distanm4fxm *i)dj 3at 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 k(ut;1w5quw )ysbck9 away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of the k5 qswu k);1uwybct(9 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 power of -0.15 j:s:n k jmk/6yD. What is the person's far point if thesk/nmj yk:j: 6 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 correct for farsightedness where the unco 7h *wl4l.jfdlx:ma),1 eumx3,eh jrerrected near point is ).3u 4awlh*mj,xd,rlm1lef e7e x:h j 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 da o5adq515setqgc7 5cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a di55daeasgc q75td1 qo5 stance 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 newsiav 8d6s8tyr+k+t r4bpaper held 25 cm from his eyes, if he wears glasses o6 +4 triv +ab8ks8rtydf
+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 2) s xu.(mos5-p l9aps0wy 6alt5 cm. What is the magnification of th 0t xlp5wa m6 slsyo(.9a)su-pe 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 nea ip r/5jba +e5rs;nue.r point of 25 cm. What is the magnification of the lens r.bee /p5sri5+aunj; 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 magnification i sg07, hptfq:loa,kmnf.*fnyr . )x-t f the image is viewed by. ax ngqs tf)-m0,f l *7yrkfnhop,.t: 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 xvgg(, 2- z d7gbl5kjdas a magnifying glass. What is the maximum possible magnificationk,g gd(j gd 27l5-zvbx?

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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 0;ft9 o/rx a0od0c6yi xb0f2lkp a xm,a magnifying glass. What is the magnification if the person's eye iso6ymxr,;fbta oic 0xx2l0 k0p/0df a9 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 2.0 cm, 4.0 cm, 8.w:88vxsz o atsdu+y3+h/pee70 cm, and 16.0 cm. If you were to use any two of these lenses t:/a xy8+heute o+3 zw psd8s7vo 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 cm, e7-u. ks0 sg x 2youbyt/n3fc1and 16 cm. If you were to use any twou f 2os3yg1y/7.s 0t nbceukx- 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 length of 2/jpkrn ++ 7y;95g;u8v qqyoqx gndgs .00 cm and its eyepiece has a focal lengtg/ y q7jvy.8x++oq pq gnr95g uds;kn;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 telescope with a magnificati2 y3aq c )7-+o:j olhktbtag5n dz.bx6on of 10. If the telescope has a converging lens of focal length 50 cm, what c a lobaho6x).d zgnq-b:+ktj2735ty 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 astru*s,i uojj+6p onomical telescope with a magnification of 10. If the telescope has a converging lenjio u* 6u+jsp,s 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 tele i/1cqip42 miascope is limited to a length of 20 cm, what is the approximaa 1mcq/ ii42ipte 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 13 u9jl-3 .hp9rojj t o4eb5j6d,idxan.4 mm and an eyepiece of focal length 20e4.r9dud93 x6i p5,lb3hjn jj -jot oa mm, adjusted for minimum eyestrain. A blood sample is placed 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 len kn 9rpcyi1*;00 wvzzxs of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestr0 0wzz;1ryc kpni9x*vain. 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 objective with a focal length of 3.(4;o lbpepo. l00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnifopl ;.pe4b(o lication?

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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 focal len r*8f;xdbp/u l+8aoxei9e. xggww c43gth of 8.0 mm. What is the focal lengt ./w88dro ;3bpwf* 4ec+ egulaxix9 gxh 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 Orion has an angular sepao tw 4k001x+bjzjx 36affjtb)l-o 4;h /tohowration of 10-5 rad. If t+o lbtja0bj t0wftzho1o f-xxo44h 3kw/j ;6)he wavelength of the light from the system is 500 nm, what is 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 t6( lc9cxfel(x o resolve objects which are 0.010 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 diametecxfe6llx( (c9 r 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 add5rk m8 b e3+//(fwhq wey, p:n1mhvq diameter of 3.5 mm to 1.5 mm as the illumination is increased. 53q fwnqd+p (/vm:b,hm/ rdwye8keh 1By 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 been placed into Earth orbieps.q *xw+ds 67yvol8t by the space shuttle. What angular resolution could this tel+q*lvoessd7 6w. p8 yxescope achieve if the wavelength is 500 nm?

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