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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 came 5oxxu*vc2;sp ra is deou*pxsv5 x2c ;termined 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 determined by thejh ao)9qzo*kg+ m6i4d

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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 ;5,n2cx wjluvt/ku +rvaried by sliding the lens forward or backward with respect to the ca;u2 rukv,5n/xlj wt+c mera 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 cj3l x7h 10rnnv, xhh.soq/, iyhhg0o* orresponds approximately to that of normal vision is referr n0xs h0 hhoo*yg.h,l1x3 jv nih,r/7qed 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 magni,x5 ss4l( w331w8iaitzzs ukzfy 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 ofw0*c99;a. acerrk sbk view than that of the *9bw.kc90aesa; rkr ceye and through 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 sg0)d 3pfuoxx pr09 p3different 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 o:*kyc1pvu0le f light 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 whwx/.:* xkz: wzmu m6nqich 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 at which an eye caa8da **rq o6x) wz)havn 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, thei/a5nyd *zd+u person is likely to sufza/d di+5yun*fer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usu+e id.:eaa b9fally 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 bw b8jf+;:e o s+hgle6vack, this gives rise to a vision d6bvw gse++ f;8h o:ejlefect 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, th7upkq .7/7ydusuo; qje person is likely to suffer frujsou7u7 d7 kqp y;q./om

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuallykgo4* 8t .yvxm 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 froncn0)my. xo/c, o*:k xontm6k m front to back, this gives rise to a vision defect thkm.cxnkt/ n ynxm6oo:0* ,c)oat can be 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 glass?c jo39zj bxr0w:(- */ubljnix

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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 objectivpe.cy3satmvjz:y lq j80by psv 9);5 0e in an astronomical telbs;jsec3 8t :0y m9vqavjppy.5)0z ylescope 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 ref1wn6sz(co c/j m4zoc le ,*br)racting telescope. Suppose an opaque screen is placed in front of the lower half of the objectiv* oocz,nswcb(r/ ) 1cz l6em4je 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 ;srh2 0 akh;opthe visible spectrum, in which of the folrk;hho;a 0p2 slowing 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 1pp f)qx b4)jzd,.zjj 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 expn*0l h dt9pee38 nm4myect to be able to see the greatest detail when using a microscoh0*9m3t 8m 4e ylnpendpe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffey0e8z de/g2q+xhjl ; jz,ak5,g( xgjmr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors su*1hgun 84ngcv bu (ee 9cluv rb.sf/33ffer 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 refex2s cz7p/c (dy::x okhrs 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 doub1d9ag*xynsy- ksgp 3z, awn;5 led, what happens to its resolving power assuming that all othn zxan d;ksay5gsw*19,gyp 3-er 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 lenst0k4qp w8bcyrq v72d1 (in diopters) will allow thisqp7 qt4v82wr ck10dy b 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 cwzabi 55c , +lo4j4kpblearly objects more than 70.0 cm away. What power of lens should b4jw b5l4ka+, 5coipzbe 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 whose lenses have power of -0.15 D. What i,h)nch1v0c v .g :ze67/agn o1po hvfus the person's far point if the glasses are very close to the eyes?gce.a1 vo/:vhh, 1 )vh0ou6zcpgn7 nf

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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 uncorrecty8r ciwjxb 5 h/4 pxa5 xga12km6x.ew)ed near point is 75 cmig2m/w5epa 8xjb6kwc4r15xh xx. )ya ?

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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 farsiglmlav 9pq 1q08r-kot3hted person is 100 cm. 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 power is required09t 18- aorlpqq3mlvk ?

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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 his eyes, i ao6whckic78 ow/r;y 2f he wears gla7;/y c6whkar o2wic8o 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 haage i*oc ts+h-yo/ yz.n b:g80s a near point of 25 cm. What is the magnification of the le *-ahnb:o sey08 gz.ic/tog+yns 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 z ,ox1hu m91rfgjdg/ (length of 10 cm. A person has a near point of 25 cm. What is the magnification,hj( dugrz1 9xmfo1g/ 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 7.061v (y7eit-*pulu u fg cm. What is the magnification if the image is viewed by a relaxed eye? pg f7t1* y-(ivulue6u

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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- b5s0qfz dq+(0jsyu3o v- dcjl,ye+u of focal length 5.0 cm as a magnifying glass. What is the maximum possible magni -lz3 s0qs0-q (v5u+boeduy+c,y dfj jfication?

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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 magnifyinggdi6 ,yb6(t z(fnr2bo glass. What is the ryoig zfd26bn,(t( b6 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 2.0u2bopk)xbacl v7m )8; cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you could a vl 7))kc p;mxo82aubbchieve?

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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 pjd: bb+l x;-;ifgt8-lkzwm3p7 1yc slengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to usx;+;3y1b-wg ickm:ltzp8 f ljb7s-p de any two of these 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 d ;cwcfesx(*zk 3 p1.ar2ab d(cm and its eyepiece has a foca(;2ad(s3*ed . c1ra zfxbckwpl 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 a magnification of k jp+j 2 o3.mju/)y1o4ywe1h-s adjkr10. If the teles3mpauk)4e1yjj+s yj jdo /1 r.h-okw2cope 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 c .)icn4bqr.bwith a magnification of 10. If the telescope has a converging lens oi)r q n4cbc..bf 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 mk8 kn7om1un- limited to a length of 20 cm, what is the approximate focal length of the objeuo kmn kn-871mctive?

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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 eyepiecetn26 ( w,ugavg+g.rs b of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the obj .62t gang r(vb,+ugwsective. 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 length 1.4 mm and an ey+80 wprdax /*k 3q4 qamaepq5+c5ld fdepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What i0ce*4fmk l++w/q3aa ad rdp p5d58xqqs 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 len*p*au2 3b euvqsdau: :gth of 3.00 mm and an eyepiece of focal length 6.0dpava :**q32:u subu e0 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-c k+6zl:g qj gbvp*c9n2m barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification o *zn9c2bjvpq:k glg+6f 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 constgas6, 5qkjv ,eellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from ,vkqjsea g56,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 objecttc uk;6ts ntzv1c.bfbn,d71.s which are 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 is the diameter of the objective?tnt1c.z kbf ,c utd7n b.1vs6;

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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 diam)3l(r7x j(j v;2 ky wcv*lluodeter of 3.5 mm to 1.5 mm as the illumination is increased. Byj) (*2v;vc(7wudok l jrylx3l what factor does the minimum angle of resolution change?

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  The 2.4-m reflecting Hubbl.m synm 9riq, fmfkv4q8 sr4w92j b88ke Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 mkmq.84 8nsb 89 skyf,4v ifrqwm r29jnm?

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