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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://autodiscover.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://autodiscover.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 exposed in a ca k96/zctpzhxi+81z- j:u sq usxbsz/3mera is detkj1:bzutp sh s szuc8-q9/ xix3/ 6z+zermined 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 is determillk86:pfyxw.+i 1d 4,zecya e ned 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 distarg3*hrd r2b2q44r prince may be varied by sliding the lens forward or backward with respect to rpiq42 hr r*dg4rr3b 2the 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 tgdgd*o (,e;8yy) m*0pasvrkx s ;p/rehe film with a field of view that corresponds approximately to that of normal vision i/8(,;ps0ypse r de* ; xkmardg*yo)gvs 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 tu7+oioe7vg l.i vw(m. o 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 z7v m0,tv7n/9n wzlri wider field of view than that of the eye and through whicvrv0tzl9/ n7 n7,w mizh 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 0sik1qe*()9d4fww fcd3 5hr pbknf 0udifferent 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 o4tcc 6b:w1*n tq hqdb8ccurs 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 k5m dn(ab(/o(5o wlfrobjects 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 can see v4n o,8vapr8bgr(, ub 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 pe/n pkv5p c-g+v w+py*jrson is likely to suffer from/pvcjng kyp5+-vw *+p

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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 corre)vds0j2lk8v x* d tg3bcted 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, this gives rise to 5rl.oj6:sd7 db7 le;3daay16eu hjlla vision defect that can be corrected by u76dj d sle d56 oya3u7;ljb:e1rhal l.sing

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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 +i0p rf.cjqyu3pg81a likely to suffer y+pua .3 qfrcj pg10i8from

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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 c y:;43i*dn postb)c xsorrected 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 gives rise t. )i* f+pvy bw:mpfaect-sc1+o a vision defect that can be corrected pcwi:1mb+f +.a)f e-ts * pycvby 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 magnifyingr :ql81m8( i6ju7t*roy; gq cqvchh5c 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 obj(6xw4nha qjh6 ective in an astronomical telhjxn4a6 6(qwh escope 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 refractinge c88+kcpv8vt4 yuuc3 telescope. Suppose an opaque screen is placed in front of the lowy cc 388 +vkutvepu8c4er 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 has uniform sensitivity throughout the vijjd rklhs50/l 59usr1g; x7db wz1g( asible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referre ; 0hxszaggkj 7drds59l/w b5jr1ul(1d 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 h7 r;(+b ycpq4 d 1w9eofwmikzoqv3(,oas 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 detailxayqz.k +logy ke3ie021dp + 0 when using a microscope? 1z+gyxo0ap.0k+y de eq2i3k l

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fgahl/ax*rhm z5 ts:9/rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferb,a)uap n:6oi 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,sw- tldlg nu3fb;q)1 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 sjhd4at3ae9 u:hwmjr e6y-,g) ..a/axxea /h doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolv wa - mhxte)49.da /,jsya3xh/ujgr ehae6.a:ing 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 w;g90mz)c i.brgksx0(in diopters) will allow this person to seggc kribx)zw0sm; 9 0.e 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 lens,l;/(hu rpcgs(b e( upd gw/2 .zbf0gi shore(.uhlpwbi (usg b dczpf20,/g/(;g uld 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 wl ) s0zuv:c1x:jmz hw j zcvck+40ut38hose lenses have power of -0.15 D. What is the person's far point if the glasses are very close t) 48cm0l 1jjc:h0wzv :z ukcv3ux+szto 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 the un(+ *hg;8c+)zohxjq ldn 6op hncorrected near point is 75 8hq zpnx+*);nohdj6+( clgohcm?

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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.3;uv n epdmm.spuy 4-eshy..9 5br8sd She places reading glasses close to her eyes, and with them she can comfortably read a newse4de5nsu;y3d.uy89hm b v r.p- m.s sppaper 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 h108zsu1prm5n ry xy *j16 mery61jysbis eyes, if he wears glar1smxy1y5e8p6 m1* 6rrjzu 0ynsb1jy sses 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 of6z:p;s d-*, hhe6gsnexwut 7 r 25 cm. Whatz dx t:-7hr6w,s;6sheg nu *ep is the magnification 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 persojaje.1h7cz 1jn has a near point of 25 cm. What is the magnification of the lens for that person when their eyes arz1ce j1h7j. aje 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.lk+ rs v8v/210f bxt6dw0i xys0 cm. What is the magnification if thwr6xlvv2 isd 8y0f bs0t+ /1kxe image 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 converging lens of focal length 5.0 my8. mll en( ,g4hnvlu :2,aj4wav cv7cm as a magnifying glass. What is the maximum possible magclml 8hv2,lv(4aa :,jeny4 v.n gumw 7nification?

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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 s** e awc;::mm7 ;hzy unnxf4gof focal length 5.0 cm as a magnifying glass. Whatmhs ngy xn;;u:fm7w:*4 cae*z is the magnification 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, 4.0 cm, 8.0 cm, rzez8 dm kr-jz(4 m4w,rw+8o xand 16.0 cm. If you were to use any two of these lenses to build a telescope, 8 zwmrrm-jd zkrx,e(o48 z4+w 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 c4wz(1nen1 y ;w vr6lp2.0 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 for the maximum magnification telesnp( cwlv6n1y;1 rez4w cope?

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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 telescopdp b6 4-(okq zpshz0gm4cz9 l*e has a focal length of 200 cm and its eyepiece has a foca p9-l0o6 z(h*4q4kzbdm zpgcsl 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 astronomicaobu 5,,ogm-, j;d8kaq: t rtxrl telescope with a magnification of 10. If the t;-rg:oa,ujo5rt,8 qd xt,mbkelescope 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 magnificativ58vm;1dq bl5nmlja * on of 10. If the telescope has a conv 5ml*bq5v;dav18ln mj erging 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 th4v c *mdu+(ofynsc5) 8 wgwv0ze telescope is limited to a length of 20 cm, what is * 0fzu+wdsgon)c5wmv8 y4cv (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 lensad5 h3g/mkf r) of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sampled)5rh/ ag fkm3 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 len f95+bi, -(h tfndgcw e+a1hsr:uf nj, f/qq,zs 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 from the objective. What is thgqndr f b,h:-f f++e9j1hia/q5z tfwnsu,( ,c e 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 le57q an:*,zuzb8 lb b2epnh;vjngth of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, whatl:,5n87 j* z; buz2vpq ebbahn 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 focal l9v 4kldptca5u /u09 mr) ktvz83y) serength of 8.0 mm. What is the focal length of the eyepiece t)u5m0 e rrckdsvy vzp3l/8k9)4 tuta 9o 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 th(vkbj5eg 1ju 29u q6ebe constellation Orion has an angular separation of 10-5 rad. If the wa2qjjk5be b 619veu u(gvelength of 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 ar0t ygm)w p2i2hf. 4snze 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelengt4n h zfw2s.gyt)0pm i2h 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 diameter of 3.5 mm toye6g:pa9w,gj6v;8cc,qnvm( p z q rq7 ,wst:r 1.5 mm as the illumigm:e,vcw,( a;7r8:9 vqnp,q6cjtpw s ryqg6znation is increased. By what factor does the minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Spay8 e 6 8fa(hcmn,ogbf-amp:k+hbf1f kj. .9p gce Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm,hp ba 6g8fmgf.fobm fk.n(-kca:ye8h 9j1+ p?

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