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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 in a camergj sw0,y7a /wovs9y zfo4sd)3 a is determined owwz,dys 7jy)4ssg0 /93f aovby 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 b9 atkhbp:02hsukb-6 r y 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 distancevaqj q jjp p:k8.5j14i a/;ddr may be varied by sliding the lens forward or backward with respect to the camervp8ji;ka jd /:j1 jqdqa4 r5p.a 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 viafo0 1j: yqg8zew that corresponds approximately to that of normal vision iqa0 yfgj18oz :s 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 i,95t*(i+ov qssa w ooomages 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 fi mg)lvwpu3 7 x,iy:x 8tllr/(clm with a wider field of view than that of the eye and through which objects appear smaller is referred t(3c xy v7i:m w/u8plrl,tl gx)o 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 differen w zv3 6o6neb 7oeju3fks ;6jch;c q/xv.f3il)t 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 occurf +vyqyky6 +m3wb/wwhl /6z*qldx11m s 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 clearxfq(g (ywv;6 vly 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 se;y66ck ooee- ye 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 we v y4lfm;jtr i*6 wqr,+88 .txiqfq;bh4,pgfront to back, the person is likely to suffer fr wbwtqq* ljq,fifh;gve4 r8x; 84,i p6r. tmy+om

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually bk qd-tmlru( /x si)y8x4;/oez e 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 f yf:ep)s*ll8bw03i r kront to back, this gives rise to a vision elr)0 ysb3pwk*l:i8 fdefect 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 fpc8yjklqt o/0h9cy y2 i-. h)grom front to back, the person is likely to suffer fit0h9hp/jy.l8q- cg2) yoyckrom

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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 correctqdn:jiy fi21m-crt :.ed 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 to back, this givesc dk o-.oywpj0t,lql +j07 o1n rise to a vision defect that can 1d,0l+0opolw otq. jy7nk j-cbe 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 magn og.lxn/e+ 2adifying 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 us73cz piktmt7cf n,9-h ing a very large diameter objective in an astronomical9c -tmz3tc77 pih, fkn telescope 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 scre d v(ktivnl*41en is placed in front of the lower half of the objective lens. What tkv vl*4(d1in 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 u7g l pw.npgo5,niform sensitivity throughout the visible spectrum, in ,pnw5 glogp.7which 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 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 ebne mq* )uehu7x/mk/3*jp p ,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 d t yka2ruvirz()/ s+c4etail when vs4/+) ar(irk2y tucz 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 fre.uk /0estp2zom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frorbq v6 fl:3thwbv+4i/42u(l-dp 8jkzq r 7 daam

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power s5 qt:ll,ach3 b8d k+rof a microscope 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 *bo* 2 0gfbmr/q kr9nm 8/vjwyhappens to its resolving power assuming that */oy fr m8/0wb*2mrb9n gqjk vall other factors 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 ley5p 5oi3f c cc sf4r8h34by;-kvbo ;ktns (in diopters) will allow this person to see distant objects cle rfyyfk4 sc5-o3hb4p;;biv5ko 3ctc 8arly?

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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 70.0kdf. sp .96uwtdijvbi )f528 o cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in fro69)i.8.fstbvjf i5okw dp d2unt 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 pj;v f,xyc+/uq ower of -0.15 D. What is the person's far p/j cq,xuf+v;yoint 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 correct for farlwser m 52wylbh:v sb02u)+9 lsightedness where the uncorrected near point is 75 cm?5 uh+b2rl w:eswmys9 0bvl2)l

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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 reading glasses cloe,8 c6q ujr:4fe0yf lsse to her eyes, and with them she can comfortably read a newspa0f,s:y6e efq4j cl8r uper 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 -ng;;pta.kg c6h.c ma(krt 2bcan read a newspaper held 25 cm from his eyes, if he wears glaatkkgp-g.h; m.ncb ac(6 ;r2tsses 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 of 10 cm. A person ha kfmm4g:x,(gbs a near point of 25 cm. What is the magnib:kx4 m,fm g(gfication of 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 o j .a;m;cs2 wc3 oc7nv*b12m(gu ipxbjf 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes ab7s.2civ;n21(joumb xw3cc jpmg; a*re 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 r-h(ngkdrl,qf ak;nc8wx.u- 52kfs/ a focal length of 7.0 cm. What is the magnification if the k/h-lff;2 r5wnq k dxk-sucg 8.(an, rimage 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 convergi(u *xa x;j5uppng lens of focal length 5.0 cm as a magnifying glass. What is the maxiup;u(a5p j*xxmum 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(+mbs-,wuadv eemjd75 t;i c 9 length 5.0 cm as a magnifying glass. What is the magnification if the pertde,s ew7 9buvim-;am +j( c5dson'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, 4.0 cm, 8.0 cm, and 16.0 sqdk9qijk a)hum d p.h 215h2,l2fi9 scm. If you were to use any two s, 9d91k.lqdihhmqj ua )kf2 52h2sip of these lenses 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 tftmb9)l1nu 2dqg; bdne2v+ ) focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you w+gt qnt)d1b e9 2dvfl;2 bmun)ere to 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 telescope to.1rii l fgz5 3q1)spapmn+*has a focal length of 200 cm and its eyepiece has a focal length or* ni1)p.lt1 sg3qza5+m fop if
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 4xm:d- 8l3tzkeo p in8with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepie e3it-o:mxkz8 8pd n4lce?

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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 + .tos1po)i ala magnification of 10. If the telescope +l.too)a 1p sihas 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 lengtd4f1uz3* wh+ lvp +apbh of 20 cm, what is the approximate foc3+ba1pz +4hwpld*fv ual 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 a/g0uy n:jj0i r7poz9fnd an eyepiece of focal length 20 mm, adjusted for minimumi:nrgzju00yo 79p j/f 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 lens of 7biep;) 7* biv; wkoyhs )j;5z cn8bmrfocal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is hi)s nzp57bw k;)bcmoreyi ;;jv7 b*8 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 ogi( xtaxo376 dbjective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lensxit7a (o 6dx3ges 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 anjftp mve 2bf :m*+zl0ql f6x 3o*d7ev-d an objective with a focal length ofv : q*ofb-3 06f lzxee+mplvt2jfm7 *d 8.0 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;-0 ;vmivqa/f zv;y 3.ws6f-iec dkzg has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope t-3 kcfw .zzdg60s-;veiifya v/ ;v;qm 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 designed to resolve objects which are 0.010 mm apart. h8aulh,si;+m2st. jo/u p0 xl If the focal length of the objectj s2,hh;u apxolms t+8.uil0 /ive 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 diamete(/ddq 0*+w,jifgo sgrr of 3.5 mm to 1.5 mm as the il dd r/g,go0f ij*w+(sqlumination is increased. 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 Space jm i8nu. 5wvl-q -l-p 4pjmi9xfz/t/hTelescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve jij/-nwmm.pl lu- 98h-/pq zvx f45itif the wavelength is 500 nm?

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