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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 iy x6/fhb fzt(o(kw u* q+1mb9js open and the film is exposed in a camera is determinedyx(6ff bbzku/t9qjh*o +(wm 1 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 , 5- dcfohfyu7t2 ct2zhek3e7camera 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 bgpr0fhee5 8t21wo wl+e varied 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 tt2rhw1 +p eg8 lf0e5wohat

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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 w9 sc0j:emx bx1.n+nj rnl*-efield of view that corresponds approximately to that of normal vision is referrex. c:0+ le1n-jnm bn*jrws9exd 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 tv(pyz9m 2 h g 0uk-n9m)m,zzn u,;hlbxo 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 that of r t3wct 3qbifr54d.l8 the eye and throtl3i wqc r35bf.4td8rugh 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 from the human ey-.3av xb airf.e?

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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 o (0,idpphd+g,n(7sr te8i qheccurs 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 av,fd7)v2ohao jpm0t nu+/c8ht which 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 a dx eaf3x1*n cow;2)lut 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 is likely to ok9lsa* vj ,w1suffer1wls9 ok,*v aj 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 corrected wit p-6lnk if((pph)b h0r 5lbf8yh

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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, this gives risesfc6a k4n;ob 8l1h o8()mqns af6p n,n to a vision defect that can be correctedan;6b8 (f)nl c6s 4ona8 s, qknmohfp1 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 likel z ,zge+.rxl*ly to suffer freg*z,z+lxl r .om

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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 correctedxflrg rb3a g4)6n3* tb8p5pyz 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 shgq 6 n:zggo*pl )oi-+fort from front to back, this gives rise to a vision defect that can be corrected by u)+fggoi zn*-: lg6qp osing

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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 magnifyin irs1j.pi q3w3g 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 astrmqf1 iqeure *0(z+8zuonomical te8urzeze1qum0 fq +i(*lescope 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 r 7m/tmctftu*8s2 age.l3s x :ch07yvq efracting telescope. Suppose an opaque screen is placed in front of the lower half of tmc lc207f.etm3syt8 vx gq u7ths:/*ahe 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 u i; uj; 3dz5joa7,nyda+s 1 1l.whoacjniform sensitivity throughout the visible spectrum, in which of thhd sauzay j,. i n1w d;ojj;+a5173olce 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 he 0raff*i:a n9(3uz moas 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 iq zo:ojlk)e)t)+wkmth+m5 : the greatest detail when using a microsco:)i+ )wjmhmkto+5eqtz ok: l)pe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer m :z .hb,5fepiql:2ok a44iysrb4fj. y:yp5rfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff /h-np9h, hgswer 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 abilitr k2l0dv 59jqzy 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 tk 2qra bu(-puks5v3l r+u:.zco its resolving power assuming that all other fac z3arslu.q2-upk(:v r k cub5+tors 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 59art; /ja8u.zil 6cflrsd2p far point of 18 cm. What lens (in diopters) will allow this6cl9sfl/za ;ri rt25adp. j8 u 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. What power of l+ ;gnzywkxg:iknd b //p5g 7e3ens should be prescribed if the glass is to be worn 1.00 cm i 3gk/e+ w d;x:g7g/nzp5ybkni n 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 po3t:o l;jmkld yqbx4gpdlr,* 9sjj*(* wer of -0.15 D. What is the person's f**3pbxj9 m; 4oy(dqlrdt:l* kjl,gjsar 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 farsig) rz-c7jugsq- ,z;syshtedness where the uncorrected near point isz-zs7g yjs- cr, q;s)u 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 glasscl 4h p+4lwj+8gsrucnr9 3p6 bes close to her eyes, and with them sl jbcp4psw8rr+6 h lg9+34c nuhe 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 newspapfy0s;wv zx2r 2er held 25 cm from his eyes, if he wears gl srzf0x2w ;y2vasses 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 has a near point of 25nizt6qw:9 j2.b vmgexi*39j gsp dv/( cm. What is the magnific 9ze3*j.vp(g nigdm26 9qjtswvbi/x : ation 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 of 10 cm. A person has a nealet3urjj/u4 /..i dgdr point of 25 cm. What is the magnification of the lens for that person when their eyes are foc i.tdj.rujdgl/ /4 3euused 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 ma0o-b) ej)mmgj 4 e/ h:vbt-edbgnification if the image is viewed b/hbdebe:jo4vg t -m 0jbm)e -)y 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:wfz+1osi dg vnc6n6 5 5.0 cm as a magnifying glass. What is the f dnv6os znwig5c6: +1maximum 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 gp fwn+hk5on/u8gtno f7g6+s/ lass. What is the ma8snugg +67 nf/o pft/hk+own5 gnification 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 lezsi t((0 5rio02ww) psg kwe)rnses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of thesto5)g wz)ir(p kw0w 0i es(2sre 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 fouxiq aec91 /2jcal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation foa/9cue 1xj 2iqr 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 led-0dvtfvcbjy/7d) n/ ngth of 200 cm and its eyepiece has avcyd7b jvfd )tnd/ -/0 focal 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,p; r5x;wfh/ (sychx vv) u*lx7) oqm 76nvfgb with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal v( yf 7/hrh6x ;*nv)s5pbocxqg; x,lwuv m7)f 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 magnification of 10.q(c4y 6 ktyi(el(qnis (a0t b: If the telescope has a convergint c6(i( ks y(4:y qa0(qlietbng 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 10Xi:j /buo;c)op telescope. If the telescope is limited to a length of u:bi/pc;j)oo 20 cm, 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 objective lens of focal length 1.4 mm and an eyepiece of foc- (k jykz.3byds0tb6b al length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are the lenses?zk3bs 6-k d jb0(yty.b

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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 vs8rr 6bywk1r6 woo. 4vd4u0qof focal length 20 mm, adjusted for minimum eyestrain. 0r ryukorswv4dwb o6 v8641.qA 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 3.00 mm and an eyr/- q orrilx15angk yihz+e7 ds0:30e epiece of focal lengthsik-nor0l gzqd:51hr7/ xa e iyr e30+ 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 and an objective with a ;.ar cnrob3 hgji9u;ua3b 1n;focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnific .a b;iuc;a 13 r93hujgno;rbnation 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 separ60 ,fv hmip4d0gxjz6 uation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve 6dz,ip fug0 hxv46m0 jthe 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 ob7 4pe8 zj8lb3qqi,y zxjects which are 0.010 mm apart. If the focal length olzbq 387j 4yiex,8qp zf the objective 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 chanhovrhh)6s 1/8r,t tmclsv3o2l-xsc y* wq u(0 ges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. lthhcxvv-cs)wl qu/3yh o6sr20 (, ts* 1orm8 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 Telescope has been placed into Earth orbit by wic*+1 c 85dyx9dj6 j6svaqd-hlz3yh the space shuttle. What angdlc1 6+ jd6 izwcyx395y*h-8qd hvsajular resolution could this telescope achieve if the wavelength is 500 nm?

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    总分:51分 及格:30.6分 时间:不限时
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