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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 expose5+y rp8sng emgh5 2s6 v02u9esv-fpwod in a camera is detvv85+wh 9eus5mrs 2feo2-ynsg p p0g 6ermined 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 fp buazvs p2c0w: .d/9kilm in a camera 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 lemgoa.s:md2(cw x7 s, ans-film distance may be 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 m a am cm2:xw7sos(gd.,eans 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 correspondv +x y )fx4ebr5eyak.g/x;gq 4s approximately to that of normal vision is referq.rbxy45ex x ak+eg4; v)/ygfred 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 aw:b8yaw d.;kziwinos 3069c.m (vnfe 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 wider field of view than t2h i,d yla 6n,b3.b u9yqbdb/qhat of the eye and throug.b,ba yd,n2q9b6 dql iub3/hyh 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 rk jy t.kse(k/+/ n .hnn*k.bxis 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 thb*29 ug l4ri 5n xtvkhuc2qr)2e 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 ca(fwyhad7m 0 iq)ps::hn 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 ano ifu2 ik:q)x h,csbt(y+*ny ( 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 iq-fbdq dv.z* ,s likely to suffvdqdf*,.z -qb er 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 correco 2tanv7(ico 8ted 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 a viss7l :vh*zo 81kyiq*opzf m(a8 ion defect lq*s*h:(voo8 k azfy8 p17zim that can 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, gl / 7/tygl6vzthe person is likely to sulv67z/g lytg/ ffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuall(uo c5 jb inp2s/j4k9py be corrected 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 fp t42kr1qh fsp e3sc9z 4g(ff6rom front to back, this gives rise to a vision defect that can bcft( 4 p1kr2q69e3hzpfg4sf se 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 g)( muu0qjl 7yilass?

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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 object bj4k9wxp/ b0*pnblw7 ive in an astronomical telb7p/lpw4 j* 9bk0bwxnescope 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 opaq9. lzus ;3cqi5hm)zyyue screen is placed in front of the lower half of the objective lens. What yu sq.izchy3) ; 9ml5zeffect 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 throu *6mfo8 n ,c)nh 5tbg+u3ovmsaghout the visible spectrum, in which of the followingho vns+of5,36bm )mnac8g *u t 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 has a magnificatiox 4ok knv*hsli,m895 dn $m$. 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 woubss5( +f/ w 1 3pbb0kro(r ck9tbzcc:rld you expect to be able to see the greatest detail when using a mic crbskt(rsco1pb 0z f+bwc:9r /5b3k( roscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffe fxv5) q;ylm/g mi++tm 0p9qiaeh81jer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf 2 68jp/arqrrbfer 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 aicrt dsi+9ev6lrr/+7z7krt:q *:vcmicroscope 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 eofi1 wps4:6mufzu iw(4ola9qk;(.i resolving power assuming that all other factors remain unchanged? Its resps6 w:o4wzfe1u4iau;( .m9(o kqiiflolving 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 lej tga8g5;s ;hqg*9kc zns (in diopters) will allow this person to se;hj9 agg;58kt gc zqs*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. Whatek iu .a2qrk.: power of lens should be prescribed if the gu2 :i.k.reka qlass 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 lenk ujak7f)3 yk2ses have power of -0.15 D. What is the person's far point if the glasses are very k)yf3ukk2aj7 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 the uncorrecteksp 84ewb96kuww eeu0s2*pr 1 d near ekpw90b6 wru 82swp*k1e 4usepoint 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 plan+evj - rw.jcsq +nuejzuy);*q f5 n/.ces reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance ofnqc wj uef*r5yu jn;) vn-jqs+.e.+z / 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 newspape;wh lx.z9r oj,r held 25 cm from his eyes, if he wears glassez.,l9jhr;ow x s 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 lenghiyiu3 ifm xx e3;c:jlci98t0. :pm 2eth of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are foum3h e:9f iixcijxl; pm.t8 e3c2i:y0cused 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 fog1g w :lxdq4 .jxy30aocal length of 10 cm. A person has a near point of 25 cm. What is the magnificatiw .g31gxjyao:qd0x l 4on 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. What is the magnifi+jh63c) a05+ utg .hosesx2)cpuw wntcation if the iww )hu.tsus2+jchao30pnt6) +cxg5 e 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 converging lenb8 qpege*l-;c s of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnification? ;elqgp*8e-bc

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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 myqh u.7e85zzx ho+ ,h+g0, :ls*t)yntxrgl nmagnifying glass. What is the magnification if the person's eye iun 7ggmzsh l, q0h5xy hn.,++r:etz8 o)tl xy*s 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, 8l 9 (qaj*1 rkdt0spjg;h,gah-.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what,(k r-a;g ads pqjjg* lth19h0 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 i860bxshol85pb o f (bcm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these hpb(so x8 5fi6 bo0lb8lenses 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 ha/ 3feha 2yse.j j2uk*rs a focal length of 200 cm and its eyepiece has a focaj2*h3y2ekj/u e s.afrl 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 1 f xune+i :gtp-,o6yj t/xp9fjipa;7 a magnification of 10. If the ja g xtp ;f-/1nj y9t, upexio6ifp+:7telescope 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 a556utnq: d21czniijg magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of then5t:5z6cu qij2g1din 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 i+8 -;qvia dgj-im;opys limited to a length of 20 cm, what is the appri; qojpd+-iayv-8 gm;oximate 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 ey3sojd+d g 5)7+kvms inh, er.fepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart ar),.vs5okdefd +jhr 7+s3n gime 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 lensi:f,ge-d e1d/i ktf 5b 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 froi tk,e b-d15e:g dif/fm 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 wip:0y(bbm k.q * :qhprf4mt )ftth a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses f*tp)m .b4tfmr q(bpq0:ky:h 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 bd8f4ef 2ev t:xarrel and an objective with a focal length of 8.0 mm. What teed4fv:2f8 xis 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 constellation Orion has an angular separation n461 6aul4 atbulhiw5wlx/s6of 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 reswxllhw6 nuta1li4/46 a5 6ubsolve 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 aymr vh7b7okwos7s -:/ 7kzy2 designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is2 z/rks7ba7:hm s7o7okyy-wv 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 chan,0s-vn-wk0p 7w zhw tsges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased.stnw- hs,kzp 07wv0w- By what factor does the minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Space Telescope has q 3qb gkc+ay2)b4k, o. t.jqk/wwmg)z been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achievek)bkzb w) yw+ ag42tcoqqmq./.jg ,k 3 if the wavelength is 500 nm?

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