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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  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 expw bvaw+e/f3r5wqrhn jo 6 .q7,osed in a camera is determinedb,j/erv+f 3q aorwq5 hw.67nw 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 film in a camera yhsi:f0 na5(:v( wztabh- d /mis 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 lt8t+c)4kb* d u(u rwjmf32fec ens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, 2jm fb3(8)+*rt e 4dccuwukftwith 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 fier- skx *ans,v f 7(q.8cmpvo*gld of view that corresponds approximately to that of normal vis,ss8(ro k v7q.-nm*a*pfv x cgion 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 telesc1+l/fkfevqliiqp6f s 68i (+v ope 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 than thata+/2b sxclofzzs+m;7 7:pgwb of the eye and through which objects appear s +ol 7mc/+b:sw z zbp;fa27sgxmaller 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 followinj*vqi d-:tiuqm;/c+u)ar3 cl g ways is 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 refractid.vnt5e0lp c4uwn 12m rc.fn njxi711on of light 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 k 4/3 w;irgufbyd, yn3hy1sx3which 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 cann jc0rh /o fvgpn:486y 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 lik8 +o b:lyp ocls*zx rn085*jxsely to suffer fro0pn 8x+l cj*ol *rxoz8: bs5sym

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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 cotnmz7vo; w:-bex l.fi 9 5yv23ppk5qwrrected 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 front to back, ; y1iufy/l r2fqr8yii;7d0yk this gives rise to a vision defect that cafy1 2iid8ifyy l0yu r;r 7;qk/n 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 from front to back, the person is likely to s-gco1fw ;h 8vyuffer fromy 8f1ohcv-gw;

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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 c4 ,vf,duu,w jo lx(z5korrected 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 tor*oakkd74dc: -of t*g back, this gives rise to a vision defect that cg dfk: -*4r*ookd7c taan 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 magnifz9i yqbwm 324rying 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 diameter objective in an astro0d gockdc(ou .rhu ,h 0c0*onm)x9gm-nomical telescdo,m*xcmoc0 0hh c- ku 0go9d.n)r(guope 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 forpq * 4zb:lf7iq03njd th5d/dbmed by a refracting telescope. Suppose an opaque screen is place7nqfj5:hb 0q4*dz 3/itddpbl d in 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 use b j7goup88 sa+7/6m m2rfcw(ei5vub6p4bcz j d has uniform sensitivity throughout the visible spectrum, in which of the following cases would you be (6bwj b7bjfuvecsc 4+ra 85pozm pui26g /7 8mable 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 magnifica g vfi9tjs47-ia14akl tion $m$. 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 grea0wf c:me 7 0-8w1gr ocobciu:ftest detail when using a microscopew0r7fw om:cgcu8bc f1:0ie- o?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromp20zcuz)lsu3ov 0 h jgs3gf7rpde+9+:lg9zs

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufff7 qkvzwq9( y) 6ur)wber 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 refeb olg4of(f/x ,wvwy +/y;g 1usrs 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 resolving power ui)j0a/n7 vz0 eshmh 6assuming that all other factors remain unchanged? Its resolving h6je)vu/ mzn0s0 h7 iapower

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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 haspog 0+-rwo n7o6 rcb0y a far point of 18 cm. What lens (in diopters) will allow this person to see distant7 0rwcrg y0-o 6no+bpo 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 ofxp)76tnm y.,k(wnq jdq37d y a lens should be prescribed if the glass is to be worn 1qn n3,7dq)x yk.wma(j67d typ .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 99kovs7idvg0f 0q tr :dfsm:2wears glasses whose lenses have power of -0.15 D. What is the person's 0d7s v2miq:kd9vrst gf o09:ffar 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 correct for farsightedness w)wx,0 x15h3p3xyh b(t bo rnndhere the uncorrected near)03d x h1xn3(rtpo5hy nwbx,b 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 placfk*+-jf+ n8p zorj)t wes reading glasses close to her eyes, and with them she can comfortablz8 *jfnr -f)kwopj+t+y 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 his eyes, if hyp bvdqckv8i1 3 344sowbjjlz*u(x+ 0e wears glassoyv +cjwx i4jb3s4 k38b pdqvl 1(*zu0es 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 haazrputq/dby. zl j 4,/1iru;2-* dqzhs a focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of z,b1ijuu*/zdp ;da2 y .q lrh/rz4t -qthe 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 of4ek;p:p np sym924* ckvsjp1p 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person wvs* pp9k pj14cs:em;n yp4k2phen 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;rxosfoxmkq(1xo 4(gmp3) r - if the ig3xfor m4px(-qo s ro1xk;)m(mage 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 convergint ja1;es g31ymg lens of focal length 5.0 cm as a magnifying glass. Wh1a 1tmg3 ysj;eat is the maximum 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 5.0 cm as a magnifying .dqo4n6ub lv6glass. What is the magnification if the person's eye is do b4lu 66.vqnrelaxed?

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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 16.0h/ani5 i,o1 xi cm. If you were to use any two of these lenses to build a telescope, what isx5i1/hn o,i ai 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 focarz6s:s8ugi *8 bjo6b sl lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any twoss zru:8*6bb8g j o6is 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 eyepiece 9 uw.sbxyrap v;nq6ol( d4 ,y-has a focal lengtho.n6p4v-9 yr qwsy;b ldau, (x 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. Ifu /vr+, qy/z;b 7h-0job/fcz)edxj *uihi / aa the teles ,v-uajuce/+ /0d zhba 7h*ry;z/obqiij)/fxcope 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 magnifrrhf:kx v(89 hox:d s +sr+)riication of 10. If the telesco) +x8k 9orsr +f shh(r:dri:vxpe has 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 to4i ya+ h. eba2ru3jf7issv.d6 a length of 20 cm, what is the approximate focal length2+ yb si3via.7fh46ejs.rau d 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 lengthsvhe1 k/d ci1, 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 obj,i/se1c v1 khdective. 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 focal lma ns4nj. *p+z.yj iunx7f,g1ength 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blooa ps fn.7g, x.4u+mz* nny1jijd 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 3.00 mm p.2 ha/ .c+2qc smmk0s eo.+6 skavcrzand an eyepiece of focal length 6.00 cm. If thk om2cv ez /26.0kcs++.qama.sprchs e 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 h ly3jl 6sn2owta6 tkrb7 76q.18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnifi h o2j6y.l7b6s atw7kq3t6 lnrcation 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 thq (ojtj ck,aij82 /q8qe constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperturc(tkj 8 j8i qo2,ajq/qe (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 resdtte 8 sv0px68w-z)kvw vfx53olve 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 dia0 s v35-zwwek tpv8fx8x t6dv)meter 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 chang (na;a-xi7yd 3 (ebtryes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of beyy(ta i3(7rn;a x-d 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 Telescbo+cgkeu.sm (5 m i91zope has been placed into Earth orbit by the space shuttle. What angular resolution couldum5g i m(.19ebzos+c k this telescope achieve if the wavelength is 500 nm?

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