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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 exposedh6dgd/+ + jmgr in a camera is det / jgrd+h6gmd+ermined 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 camehqlr95x + vu7fou ek91ra 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 camerad5l:kpu +h.lt the lens-film distance may be varied by sliding the lens forward or backward with respect to the c.plth:5 luk+d amera 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 view that corresponds apprtf ivc.z6 80pkc m+b4eoximately to that of normal vision is referred to 0+i e4vpz8f c6c.tkmbas 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 actwta6vu:p h4sq95zp a;bo+ .als like a telescope 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 bbkvd8k 9/ eg/ ,pp2lbwider field of view than that of the eye and through which objects appear smaller is referdvpbbl,b 9keg /pk2/8red 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 followi ,g )klh4 b-b5.nhzekhng 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 refraction of ligh o,a gaf;k z,dqcrouv(u)3f.)t 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 which an eye can see objects clearly e q9nw4 lavv6;o( ja3his

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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 objects clear:2v0ff1z)zhnhvyt eh .74p9 crs og/ yly 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*x4c6x- q:c vd0buo d jb(i 2arhn;3ev person is likely to suffer fr 2a d34ix;bd-j:uvch6oc * xbe(qnv0rom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usk x6z+t9se: - uou,jnhually be 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 front to back, this gives (z0h*uags8sabtj4pb)nj0.dvn a l6 ; rise to a vision defect that can be corrected by648az na .)nsv*j0sblj bup; d0gh (at 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 bac *uzxwt8+uxv ey ,*l2bk, the person is likely to suffer ft2 *8uvbywu,z +x lex*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 with qo7c1kyzl uu0g-kn 5+

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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 tom9zjdg -,q fql9f19lh a vision defect that can be cjglfd9l 9- mq1fzhq9,orrected 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 tk 9vh160 h6j/xb5fs;wr uuowce*xj)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 astronomicbf;4xqc- e;b;q px (rzalbzr-4q;b( ; xe;xc fpq 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 telescia 8;ymuk,hw/t 8 h8tkwx(h4hope. Suppose an opaque screen is placed in front of the lower half of the objective uyk/h(,4h8kt whim w8th ;8xalens. 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 s1jui )exz 3:xhas uniform sensitivity throughout the visible spectrum, in which of the following cases would you sj 1x:)ue zi3xbe 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 telescoz 2r p2qt:sg y63gde3 myy.wb5pe has 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)2wl5ejhl g vr dq*z(vy9cg 9:etail when using a microscoq(gc): l 2*9 dlgzvjhwe95yvrpe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufferom6y-wf 4jh1 p from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff 6,n2 wcth;xyqer 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 microsco1qqxad -qyy;6pe 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 happens to its resolvi v 1xkpef2s(wd rngxc.03o r ur5)v5y(ng power assumingcfk55xr(w(uvd n3)pv 0grx 2.ryo1es that all 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 lens (in diopt r 9u m2*qj06)lrqwto05c lkflers) will allow this pe u5*ql26 c0lwm)lqj9o ftrkr 0rson 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 t)3, r x ib d5z9z/ocdzl)lg5v)w7 sdslawx/ 1chan 70.0 cm away. What power of lens should be prescribed if the glas) w )x) zswliz cdgv,d7 35aolc 91/l/sdbxzr5s 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 whock /j34agfe8d1d*3+qhvdqp dse lenses have power of -0.15 D. What is the person's faf+da1gqc *8ve/j 43dqd kph3dr 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 where (atr9d.n9(crrurta2 the uncorrected near point is 75 ca .t((a t9rr9nrcu2 rdm?

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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. ai2dsj. p(lxp4)q g+ a She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens p .aa2xgdpls(i4+qj)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 2g4cp2-3 mzp d0aqez9;yh 6fkz5 cm from his eyes, if he wears glasses of-;2g a0zd3hpmqk6e4 9 yzpzf c
+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 lengthmiwo1z erb jss0l 1c6 /ui(m-8 of 10 cm. A person has a near point of 25 cm. What is thi0jms b zel c1i-s(1u/row 8m6e 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 person has a near pohpxmdy5p9r ze)mm:;r x)x v 41int of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their n4p:xymzxm15 vx) ph9er );dmr ear 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 7cl*t*kab,ck ; ,szwui 6tkxvg/9 r d)0.0 cm. What is the magnification if the image is viewed by a relaxe kkdxkg0w 6tat)cz9s*, vb/, r ;ic*lud 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 0kn (:/ /6o isln rfic53npjtlas a magnifying glass. What is the maximum ppn5 lflckt60 irn 3/(o:nijs/ossible 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 d7,,j) tncv wrof focal length 5.0 cm as a magnifying glass. What is the magnification ,vn) w7d tjrc,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, andipa2*qe rs3 )g 16.0 cm. If you were to use any two of these lenses i2arsqg3*e)p 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, 8.0 cm,nk 3+enk3qot2 and 16 cm. If you were to use any two of thes+t3kok3nn e2q e 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 y fn2; me-qfxr5+rlpl9.jp5 dits eyepiece has a focal ;jynd 5pf rl- qfr95+xl.mp2 elength 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 n8/bic3y 5mr1by(o xi8xae-xdb0lj h4 7w;aqwith a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lengthxxbi rym 0ijn34e; h/yqd18-l(7oab5awcb8 x 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 astro;we8z njjofna ,ks9+,nomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the t;n+zf 9k,s,8 ewjnjo aelescope?

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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 tj.o+a:f2c d toelescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the otjd.o+ o2c:afbjective?

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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 eyepi9m4iv -qc 1slee/kh,j /2y ansece of focal length 20 mm, adjusted for minimum eyestrain. Aysi/sah k1en cmq2 ,lv- 4/e9j 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 focal bpe*;to9 / jnw/1w38jc8 cwo cmwvt 4 m6jvye/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 the overall magnification?/wb/vewoc np* 9v; 1e3 cmtj ow/4cjjw 868tmy

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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 ley1 t7df)1 v4dw;x mzv j+pjyz*ngth of 3.00 mm and an eyepie+py17zyj vv 1 *d;w4dfj zxtm)ce of focal length 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 nwa+x ,i6dok6 focal length of 8.n6a o+ki, 6xwd0 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 cons+k:0 rryg9c ejtellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the er9jc: +gyr0ksystem 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 ay c+t/-9rb x-+k kovwqre 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 isqrxbctk-wo 9k-/+v+ y 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 di cjt0z 53ol1lsameter of 3.5 mm to 1.5 mm as the illumination is increased. By what sj1toc5ll z03 factor does the minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Spacebt w(d843i0u ke(+vwm ykr5 pr Telescope has been placed into Earth orbit by the space shuttle. What angular resolutio(8ki4d rw+b3tm 0 vk r5ywu(epn could this telescope achieve if the wavelength is 500 nm?

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