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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 ijg -4sc+ngux2 s open and the film is exposed in a camera is detejgcs+n u g4-2xrmined 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 filo32p,qd.t x/l:+fpv+j iw yxsm 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 4 0y0f6j;+ag tld gwkmdistance 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, j6ytgk g+04w lm0d;af 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 that fzcvr/ zag,4tr .;m* mcorresponds approximately to t. r, cgvrt /4m*mf;azzhat 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 isdpz3 xcbbf/ -( 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 of view than that of thh:x 60bm wsg 3q6ttw3he eye and through which objects appear smx : g6wbth03ht63mws qaller 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 qw0usmhkyyp2 84.,h xis 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 +3z ub - lt. ahmfi-b5k,rexb6occurs 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 an eye can see objects cleaq ,l u,ljt.l-6ju h5f17dwlwp rly 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 ob r;*8nxnywefz3nbz .45 ib7 vpjects 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 fro x/ju5 bjtew 19fs7qtfh+2o4p 3vr l;ont to back, the person is likely to suu je+s/9qxbpwo;j35v4o ft ht 7r1l f2ffer 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 cjkfqef no844q-gi )7gorrected 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 i1t(z5imsba tq .mmm1,s l,h( long from front to back, this gives rise to a vision defect that can be correct a1imh( ,m(lztm 5,.1smbqsi ted 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 fr0z8*h p u)vzj0 hu.n6 uo9hswbom front to back, the person is likely to suffer fro8hzz*ju00) hs9buv nh 6.wuopm

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usua4vd*8j3g t,( ihmq:up0bm t lslly 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 tor )xhqg(.wkh*lq z:.q(qzlosiq(ylh.k4 .a;o short from front to back, this gives rise to a vision defect that can be cqlx h(q.sl);ih.w ( :4.qkoqhy(gz l.z*rk qaorrected 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 gi (+qdd7,hbrglass?

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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 diametdbi.r t /g,0dw t 2q(6h+moiyzer objective in an astronomical teles igd w,2od 0t.(iqytmh6r+z /bcope 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 tele0pz e j +l(1faor9jrql))nw3lscope. Suppose an opaque screen is placed in f lnq93lp ( fjo1e+0jlw)zr)raront 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 has uniform sensitivity throughout the visib v:n zc a q6433,xtv dkztlrry++;.dzzle spectrum, in which of 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 u:z az,+ z;d4yt3k3zqvvrl+xtcn r 6.dsed.)

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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 magnificationp *ql:yr/mj y84kx*l 1unen0a $m$. 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 expectj6;9pxm )(pfzwkg/i m h/0a hd to be able to see the greatest detail when using a mmg;0a )h6z/(xihpf /d9kpmjwicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fro0jf ++ rki (cjfl);qcim

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf4p-nusjnei2 (9c-mt x fer 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 microscope refdmd9w u, t8qv,o/u xr7ers 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 hp4mdx+d n+1n happens to its resolving power assuming that all other factors remain unchanged? In++4mddpn1h xts 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 h*la 10p:x dlpt0l alu9as a far point of 18 cm. What lens (in diopters) will allow this pers9*t0 pd ulplx:al01 alon 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 cm away. What power of len al:lg ens*ahj.rlbz4- (b-0ks should be prescribek 4nabzell *( hbg 0l:-.rs-jad 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 whose lenses have po2hr b 3d8c fl;9onm8yjwer of -0.15 D. What is the person's far point if the glasses a2j9y; rd3on b8fm8lchre 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 ru.e7 9rgiuubi/: p spm62s ,efor farsightedness where the uncorrected neb,uss ep :9ir7 ipg/u 2m6e.urar 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 person is 100 cm. She places h6rm03- c fvjfreading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. mfcv f-63hj0 r 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 qdme-2vs,wf 1can read a newspaper held 25 cm from his eyes, if he wears glassem, v-fs qwd21es 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 fo*5vmmi(x;jq 6m o, mxpcal 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 ey q;*xx6m mjv(m,mi5 opes 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 qx 9qo/t-l9to4k( ubaihom6 0 length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person w-/oab(o q iu0to96x9tlh kqm4hen 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 2qzg vup38 j6scm. What is the magnification if the image is g3z6sv28pj qu 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 converging lens of focal length 5.0 cm as a m7yy wrl( 9kjl)agnifying glass. What is the maximum possible m( ryky7)9w ljlagnification?

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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 a magnifying i 8rdw/ob.g r7glass. What is the magnification if the person's eye is relaxb.d8 7/irrgowed?

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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 cm.yv;yys mv n-1/ If you were to use any two of these lenses to build a telescopeym;nvys -vy1/ , 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 f+w+ia6i ppzu):.ly;s g9y gdl1 ceb:focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use anegu ;lg+sd+.pf 6:b ) :li1aipz9ycyw y 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 length of 200 cm and its eyev2;j 6de p8jyc5 zf.ybpiece has a focal lengtpj8;56fvecd y bzjy.2h 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 10. If +sgny g6 ok,o8y,n,db n5k+ yq2j7m althe telescope has a converging lens of foyn8kyd nkgb+,ymg2j6 qnl7 soa+,, 5ocal 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 magnificatic ckef 4:)avs4qfak 6/on of 10. If the telescope has a conve):e/vffa c46s4ack kq rging 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. :c bzgiqwuke4h vb .s;,c-6z. If the telescope is limited to a length of 20 cm, what is the approxbbkh;- ,. gzsq64vewu .zc:icimate 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 jqm0ewpvl91or 4 . o 25zdodl4of focal length 20 mm, adjusted for minimum eyestr o94.ole5dwo 4qzjvpl dr0m1 2ain. 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 f0pk8oy.h*5mq;ut3h bfu j 8nobjective lens of focal length 1.4 mm and an eyepiece of focal lengthu hb5yptu; * jfk3nm80 fqh.8o 20 mm, adjusted 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 objectivv.u f v6eajjr8 +q5z+be with a focal length of 3.00 mm and an eye+r u+ vb8vf5q.z eja6jpiece of focal 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 an89wd oaik7wofa9cty)8b 7p h.d an objective with a focal length of 8.0 mm. What is the focal length of fohowak7). pi78d8t99wyb c athe 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 separation of3c8vtq 2ynwg/mfpw uyur:i vn: 16s;, 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope t;3vy8sycn /quf:m ,ipwr1nw 2vg t6u:hat 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 3a vzgly.)ypx- a5km) designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavm-y.gv5 3ky xzp)la)aelength 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 of 3 bkob f.;f1 i7z x:g7prutcv1).5 mm to 1.5 mm as the illumination is incre.)if7bx fbc:7p;rkv 11t guzo ased. 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 Spac:eo + jqg .nslhy9uggh43-2z cgayy34e Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could t+9-cyo.gng z3ye44gs l auh3y gq:h2jhis telescope achieve if the wavelength is 500 nm?

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