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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 opdpp;t;5xa )lo a zql w9bt/z95en and the film is exposed in a camera is determined b ;zq)lp/o9;tdlt9ab5p5z wx ay 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 came0 yg/wln45fqnra 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 variem/9g+gj z 2nwqd by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means thatnz /2qgjm+9 wg

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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 corresponds appr1x5uxliqkzs. 8j8 jt 8oximately to that of normal vision is referrx tx8u.q5s8lzjj ki8 1ed 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 lzkn a0qj4iqt(u.,3u like a telescope to 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 the film with a wider field of view ; i:b48 jws+4x ilwx1 yoqpt4uthan that of the eye and thx;4b4l ipu4qt+ywi o 8s1j x:wrough which objects appear smaller 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 is a camera different from0ztub 3:vntg9 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 lig3m a km1b3ej4izsg .9sp0,kyc ht by 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 which an eye can see objects clearly istp+b qzxd5 m;0

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance 9ox:qjoki32dhpt 4qfj xo li-9) v,( zat 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 g2md m ij+1d3qis likely to suffe3+1djqmdmi g2 r 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 correc qyey6djl rb,:,f(zt e+)dr5wj5dm6xted 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 froh 7d1:ehuz/mqnt to back, this gives rise to a vision defect that can be correctedu17e z:m /qhhd 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, the person is likely ycgm51uv wun 0;mju (-to suf cu-5um;(uwgj1mvn 0y fer 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 withl(okk4(ej1hb a r.3kh

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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 to back, thisr x-eve 16 rxxjfa,w36 gives rise to a vision 1 r xe,rj 6ea-xvf6w3xdefect that can 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 magnifyingjd 184wew4la bxrf)lkfac nl9f+6 0 yjyx* t8- 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 large diame 2kjtc9hestbim 9-lzn5jz*:8wx g; 1p ter objective in an astronomical telescope nzb-1*9z l;jw:t52 ktejp m 8ixh 9sgcis

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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 screea,6z3b4f-v bce ow ip,n is placed in front of the lower half of the objective le-4bf ap ev6,zbwo,c i3ns. 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 used4ro cotf +:w p8(4euhd has uniform sensitivity throughout the visible spectrum, in which of the following cases wo4 (cwdo4 p+:u8hrfteould 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 / z8x2ckhgjyxfz4*k2ir-z(s 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 able to see the greatest detail wh o*w )ui5h;tj5p8f zyfez ;pwi8f5*fy5 jhu) otn 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 fryfw5o z 0c1+xyfi )yb(om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffershqv,/+ p: zr2osiq/g 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 refers to the ability t/*p2x*f:uk-txl k*hhzgju ie55 tg i-f(9 zzb o

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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 hvshv,q/o ;q*qk(cd5xr ug1 ( dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving power cq(vhq g /,u;*rdkhx15s vo(q

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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 p29n f. qb9ii3 +eerv3u2stesj n81dpyoint of 18 cm. What lens (in diopters) will allow this person to see distant objects cle jr9ub.1nd s pv2f39s e8eiyq23etin+ arly?

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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. Whyv a*y,-oa7:p ox+qq5 vk )lbeat power of lens should be prescribed if qa5e *bxao :-v 7,lyyokqp+v) 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 wp 0+h *voh6:zobn,sqx ears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are v6pv,o :*qh xznbs0 +ohery 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 u4f 8tpvlxkb3b68+xncorrect for farsightedness where the uncorrected near poin84 3t6lk8nbxpbu+ fx vt 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 p+ :6zh qreywos bj6o4*erson is 100 cm. She places reading glasses close to her eyes, and with them she can wo:*oj h66+4rsybe q zcomfortably 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 2v)iok+jtxm:,a :mfn* 8q (/zswumn/ z 5 cm from his eyes, if he wears glaf z*8a w,k+/:m uiqxz/m(o v:)sjtmnnsses 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 b.0f gj3yfu)n/y:.entkyiw ;m8,mi k of 10 cm. A person has a near point of 25 cm. What is the magnification of.e 3nmumknb./fj:) tfkw;i yyyg8i0, the 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 cmzwrwci llw+zpm20.rl 2/.gk +e+g7 az. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focusedg+2. kz pc/7rlwl m+ww+0ra eig2z .lz 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 77h 5vucwziu4e/s3ns2 m l, l8g.0 cm. What is the magnification if the image is viewed by a relaxed7uwu/smc5v l23hes8,l4 gi nz 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 magppmvm z4s.fh-+ii d-0nifying glass. What is the 0mif4 +dpsi vp-hz-.mmaximum possible 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 focal length 5. t6d+*uzntoai3fy*dac a-8 /l0 cm as a magnifying glass. What is the magnificatio*+adt 83 udio*tly afz/ca6n-n if the person's eye is 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, 4.0mzrnk*sz)p9 . cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lp)mr9zzs kn* .enses 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 mrx3ile0m+ 8ncm, and 16 cm. If you were toe0imnx 3 +m8rl use any 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 telesc r1x9t-h-ybwzope has a focal length of 200 cm and its eyepiece has a focal9xht1y-b- w zr length 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 (/*yw:i74 :vvpn mb76yq:tzgg n tuspmagnification of 10. If the tezv ps:yu* 47t(nvtb:/m7g 6qn:gpyiw lescope has a converging lens of focal 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 magnificatiwge;-s o3 9*ptwo8)ynlqdw u+ on of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length twn3 wo)9ugsq olp8; *-+edw yof 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. hfrn40s (fi5tIf the telescope is limited to a length of 20 cm, what is thefsrtf0n h5( 4i 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 lens of focal length 1.4 mm and an eyepiecju0u(liuzzs 5o ,*a0y e of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1. ,0zaulosu(5z0*yiuj 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 objectso,f2rhz:. yd1l2. o;bvlkdpive lens of focal length 1.4 mm and an eyepiece of focal length 20 m 2pof roy:lszd ;hkl. vd2.b1,m, 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 objective with a focal length of 3.2uy ghoj (pw-)gjm3a-sze/x*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 magnificatz2jp *w3-)h-j g(xg/semoay uion?

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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 lengthabu57 *byfev5zfl9j hs*9 gp- of 8bf-y*v au7 sze9p5* 5h gl9bfj.0 mm. What is the focal length 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*fbnx9d d)c ,l/7zk sb separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, wb fn b7clk)z,dxs /d*9hat 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 dyu(p+6dc020,-4krrmbcl x d q hn.zp kesigned to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and6.-2 pxnq,c+p d (mrhby0kkcd 0ulzr4 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'ss9 yflt.*s 7;+z,yilsr/zp ue eye 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 resolftr+y 7 zpz*, s9s/e;li.ul ysution 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 orbit by pa/b / 0xmh, hc4)t ;lavsf (2j7ksvkuthe spa)s7xpvtam vblj(hu02f4/cs k ;k ha /,ce shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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