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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 expb w68zfd3dm:+zd gq/p )oqq)d osed in a camera is det 63gddo fqqdz8)z/ :w+)qdmp bermined 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 r;gu xc,+i/k. zxhlxb) eaching the film 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 lens-film distance may be varied by sliding t+ :cocmp9l )swhe lens forward or backward with respect cowm9cl:+ )ps to 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 the film with a field of view that corresponds approxinzy0dxyu n* tr0i4::wj erf .bvmlvk*87to+ +mately to that of normal vision is refer0*+*te: w rdijtx8lvfovznub7k: yrm.y+ 4 n 0red 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 magni7j+f vqv5, fd*;ayrgf fy 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 fihbm.hlck1q tr24a * t0eld of view than that of the eye and through which objects appear smaller is htkca1qthbm 2rl 40.*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(ce a.;g890m+;fk p so ltblpj 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 occurs at thux 4fd brymo8jv+9idw8xq: 4;e

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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 clearlknr2g ;ca x)1iy 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 objects clearly i. hblnm(3*idx.(, y wwno.x mns

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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 ew)avs cd+j14 too long from front to back, the person is likely to suffer fs1 +cwdvej4a)rom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can ubz46advna )7:un*7rsc a 7 pndsually 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 rise to ax;8j rn s56btdpmj* (.tcab.g vision defect that can be corrected by usi; bjsc.6jp( t.tda8 rg5bnmx*ng

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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 shorts4 jnjcc,8v+.p4d cgy from front to back, the person is likely to suffe .pd4ccjc8g,4nj+s vyr from

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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 u: - qh9al-8wpkvn3 suwith

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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 bac:mux uh x:lyu t43yp-77guwh0 k, this gives rise to a vision defect that can be corrected :7uuhyh 7 :x-3pxu ytwl4m u0gby 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 matml0i x*q xv2+pig/z8 gnifying 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 veif9j952chd g ary large diameter objective in an astronomical telescope ii hc 9j29gfa5ds

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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 opaquicyof936hdvek8 e0w 5nh+l9 qe screen is placed iecvf5k hq693 0+ehi9ol nw d8yn front 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 has uniform sensitivittk *t6 bqw w3x42m7oa 2f2tppfy throughout the visible spectrum, in which of the following cases would you be* tq4x2tpfta6fp2wbk wmo 237 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 magnificativ2 q c;49ellf* 1qfqlwon $m$. 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 aa kq k6qt6y5(fgjo s23ble to see the greatest detail when 62 gj53(aoyf qkqs kt6using a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frf 34t l;w(aayj)egz 1vom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer from)e +ajxsq ig(t r15l *kxm/(kp

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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 thed7ny5w3 mg-, nrv9 v7hnb/ay gdz,o6rhzq +)o 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 su5smh 2poz/3 happens to its resolving power assuminp25 h s3mzuo/sg 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.,;9g 8bsl6zy,tam5rw9p5ia5 4i ypiycozwb : What lens (in diopters) will allow this person to see distant objects clearly?bwmaw5z,i y lyi69: ;bgtp9 zys85r 4icao p,5

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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. lcnc:tu k:8x yt tjp3fc78, euvr,k 3:What power of lens should be prescribed if the glass i kcj87y 8uxlcvkcn,33 tu trf::,e :pts 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 personp/yo09oe/oh k wears glasses whose lenses have power of -0.15 D. What is the person's far po hyok9oepo/ /0int 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 the u/rcd)4 *rxn7 hvwudm 4ncorrected near point i/)d7md4 v cxrw*urh n4s 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 ghm qi.y z2bpl;c+. .gi ya7/jplaces reading glasses close to her eyes, and with them she can comfortably read a ;7gpb2/ iym lc+y.jqg .i hza.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 erbyk 2it q,+jc ub 1ffmp:/)/read a newspaper held 25 cm from his eyes, if he wears g+j/u 1ki/b ,myf2 )bptf e:crqlasses 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 88lz +j5 g s)j roy vgm,hm;rm7fjh8n-cm. A person has a near point of 25 cm. What is the magnification of the lens for that persomrj g5;ny ls8hjrg 8 zm,-78mhj)v f+on 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 2at:dk;r3 fl3iawu ob(jc*r7 has a near point of 25 cm. What is the magnification of the lens 7uaw33r;: atloci (k d*jrb2ffor 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 i6ohh;h8y kw:+b8k bqr s the magnification if the image is viewed by a relaxed eye 6oh8k+hqb;h 8wr kby:?

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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 lexbp4nb xnt qtug xc10 lr5+.l5hq7s-2ngth 5.0 cm as a magnifying glass. What is the maximum poss5cb+sl2 0u5 l1q r4gtnnt xbh7xqp -x.ible 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 glasf kg- n.md02xc)y 66xnx0ikrvs. What is the magnification if the persov2r-fnnmi) xyc0dx 0kk6 6xg.n'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, and 16.0 cm.4d6 1um6hq4jvdxse q , If you were to use any two of these lenses to buis4, 4dq d q6mexj6vhu1ld 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. :ik5tn(j1 ftj0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation f tkjtnifj 15(:or 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 d ti5y xja3:+j:mf/ v9nq0nuqof 200 cm and its eyepiece has a focal length i0a djyqqvx/ t3mjf:+n9 5:nuof
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 m;bt,szxy*a:d;2f sw cagnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lwx*s za:;dy, fbt 2c;sength 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.xrvuh 6-ga p+ astronomical telescope with a magnification of 10. If the telescope has a converging lenxa+. -rvgph u6s 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 limitmadr+1j u.q+ pqui2bw-myj* /ed to a length of 20 cm, what is the approximate focal length of riqa +1m/uwj *pj dmq+2yb-. uthe 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 objectdk+ oic6fivn:) tsh 1;ive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjus +oc1t)n6;fkhs vi:id ted for minimum eyestrain. A 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 focage *s)7ye.: a4sgjj*q l0zhkll 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 maj7shl* 4gy)lks :a je0qz *eg.gnification?

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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 : kw(fne--y yqd1c8ja focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is(fe nd8y :wac-qjky1- 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-cl8:yub- /)euj 4 cjxf:fgo va,m barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificabx8j -,/o ef4uul gj cf):v:aytion 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 ::z3gzj(e8(lm f1 mjfh+q;mikyv 6pp angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smalm:(fk8g1fh:pv6y; m m zzji(p q+e j3llest 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 zdwdo32r)2teb t5xw e 1bv--v( l-jqi0.010 mm apart. If the focal length of the ob)tt rdebewvq-lxoi2b3-zw5v dj1(-2 jective 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 changes -1z aov)2qn-b 1m+ylz yaghw 5from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. w+amy q1 ) g5z12yh-oanz-lvb 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 Telescope2sd.l+75jf)mrh4wlf3 c k r e,kxn 1ww has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the h2kr.xwf l flwcjnkdwr4 )+e,137s m5wavelength is 500 nm?

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