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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://51fly.win/test120.html  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。
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 游客未登录  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 d; z*cjmxnu (m.0l5hesbms*0 exposed in a camera is dete5*mh0(. *m zjd l0e;cxu ssbnmrmined 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 came7lzw +w3j// drp 2jl dadt cp1(p2q0gara 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 by gz4 mwe ,hyj-)sliding the lens forward or backward with respect te4hwm -,y j)zgo 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 thgaebbjo/ 7kn;gth 1 :9e film with a field of view that corresponds approximately to that of normal vis;jea9hk/ b:7ong bt1gion 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 is referred to as ( wqq:up6ag y(gd5mtmve 7-v 4a

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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 thmd yo7vviroa;wl c7) u*8gi2 /e eye and through whil orw*/v;7u 8i7dg cmiv2oya) ch 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 waysp 1f qiywlr bp/lr4s)ojwk)496s 3wp 5 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 refraction of light by t ou:b5vz0yl .ohe 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 clearloa906uxp3h1z4k d uyp//aabgy 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 objec4l jh*40mbktf; kx0nq ts 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 lzuou9 ;i.1sg fpn )pf9k) 7nkiikely to suff)pofu)nn9 .k;gi pzuf7 19 skier 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 correct 4*-vipp-i qufed 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 fego r)jmcz1:0xc) (k:g8te n cront to back, this gives rise to a vision defect that can be correctedgecm1e c )rt0o:z8)k (:cjxgn 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, t yk4idjj6j. ,ihe person is likely to suffer f,jidy k4ji j6.rom

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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 withzatoq i8lob (*x (4fnc15tx. bakok:7

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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 db+ hqfie1 t5+from front to back, this gives rise to a vision defect that can bb 51qi tfd+h+ee 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 magnifying glass/;(qjf:mkcb( u8 lh -e hdehb,?

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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 objectisj.up v5.w)hj/0ne;y8 v m 6kt ub2odyve in an astronomical teleswemb/ou .s6yp8n)vjvy uj; dt5hk0 2.cope 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 scre5-bp y)lx dmr. ajn.d02k,vdz en is placed in frodyrl5bm zn-0 j)2.ad,dxv k.pnt 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 h5ol)uy5 eaxu)as uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars?ul5oa)ex u5)y (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 magnificatk /)7hqko:bpdzz7 ct3 ion $m$. 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 wouldm 7m3d *qfy c)f.ybfn* you expect to be able to see the greatest detail when using a microscope*b. )mf7fn cydq*ym f3?

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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 b: joif)mr29aom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffejl c +py +e+;+ lwsk4rioz6+cor 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 ob7jwixe1qsb imfak)(fiaxi:, 3o2/ * f 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, -lwl8y/.2s)mda jk fwwhat happens to its resolving power assuming that all other factors remain unchanged? Its resol d-)8jwfka2s wm.l/lyving 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 lens (in7;+s7 3k kvulnhy8owl)1 gwl c diopters) will allow this )l 3+ ;lg7uk7nl 1ovk8scwwyh person 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. Whai fn9 sc;t*sbs/i 6co+n.gcd5t power of lens shosnc+ sn;icbgi 5sf*/6 .to9 cduld be prescribed 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 powpmca9 w0tz m*:er of -0.15 D. What is the person's far point if the glasses are ve0cw :pz 9atmm*ry 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 t *vge/6 opi0z5yv:hxrhe uncorrected near 5hev *0x/p:ri oyvzg6point 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 reading glassmhnz14e p2*l(ewg:tli (i/ fmes close to her eyes, and with them she4ip:nl zwe let1(mg/f(*him2 can comfortably 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 :o .tos+(sdwj newspaper held 25 cm from his eyes, if he wears glasses otss. +oow(j d:f
+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 -rs+w0v hv-nyf u8*vd point of 25 cm. What is the magnification of the lens for that person when their eyes are focfw+8*ryn udv0vsh v-- used 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;7ajaq.e* lbx kx m(r/3ms4pof 10 cm. A person has a near point of 25 cm. What i*m7 ;pa.o(q xr4sk/ jalbm3x es the magnification of the lens 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. Wha a:3d67 ayte9zzc( i woozbe*8t is the magnification if the image is vieoeia atz 69*(z3o z8:wc7y dbewed 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 magnifying glass. akh.shq9aql5lo ::j 1*zn mrnuj ) n8) What is t:ha oq*8l9sa:)jjnunr1ql km .5zhn) he 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 magnifyinghoe*p 6 60f ua.aibhf x4w*f5u glass. What is the magnification if the person's eye is relaxedfeu i0aa6wp hfo6*h.b5xf4* u ?

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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 fb*p; fws,3 gvmpj43mqocal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any twofj* pwb ;3, gsvpm34mq 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 focal lengths 2.0 cm, 4.0 cm, 8. wvt6+a s1q/+8ywhamn 0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens sepaa v/wws1+ 6nmy 8+qhtaration 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 ha 4a r fbfj(vsb;h1gph 4:r)*nj+sb-pes a focal length of 200 cm and its eyepiece has a hpb+b:;)njs-bp( fr1s4ef g4v*hjr afocal 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 magnp kkugw4ni6p+xf(w.gx 9)-f dification of 10. If the telescope has a converging lens of foc9u-pd( k+wfp.ixg wk4gf6x)nal 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 wq4i2;db cj3 tnv:zhp, ith a magnification of 10. If the telescope has a con:qhb in 4 tp;3jd2,vczverging 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 lengsyyt 27gz :f7nth of 20 zf2 :g7y7ynstcm, what is the 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 y*(a selu) uo(objective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm fra(u ) e(l*osyuom 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 focal length 1.4 mm and an eyepiece oejjrc68xr. ,rse4h dw) w (+p5pj9dlof focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1 (p)lo s6j hj cwd58pee. wr4r9+jdxr,.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 16u6p yd9jch1fime,s 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the touys 1i6e fjh69pdm ,c1tal 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 b-w7o:zjcang9 l t fcq+a1ln04arrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give +acjfa:0-nzg1q lt4lcwo7n9 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 *hvh2( k/ afqy)l d8sbhas an angular separation of 10-5 rad. If the wavelength fv)ad q/(ksl 2*yh h8bof 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 to resolve objects which are 0.010 mm ag+uu17k js2iqpart. If the focal length of the objei ug7kjsu2q1 +ctive is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objective?

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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 v0z,qs2hlyso 161gb yof 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimuyvy,zslg6b01sh1 q 2om 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 haofd;y k--q,nks been placed into Earth orbit by the space shuttle. What angular resolution could tdkokyq-;-f, n his telescope achieve if the wavelength is 500 nm?

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