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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 shutte.8wy*c(kn wgcr is open and the film is exposed in a camera is detek (w*.ccy8gwnrmined 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 cfrd bl)zv817 l5uyn2h amera 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 rm1lz:. wc9 dzmay be varied by sliding the lens forward or backward with respec.d9z w :m1lzrct 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 vm ru /.:(crl gfvg)7j9/kpwvgiew that corresponds approximately t.k(julwgp) 9 vg /cm7g/r:rvfo that of normal vision is 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 t4vjr cou:8 scm0* r1muelescope 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 t6;j8p jicmastv s, 4e3b 5 :btgwa-a)ghe film with a wider field of view than that of the eye and through w vj6wtg-b:btj ga4a ic3;se)5sam8 , phich 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 jh,-duzr+ qae : v/r8udifferent 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 refraction1a8cs-eo i;03og gqupl 2yt/ntu0 gw 6 of 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 sa;8h6hy :gvw9d(de kat which 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 whic t mys1(i3 uk/ziw.gz(74x xra. fm,dvh an 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 oxm5 v5b 6e aq8v.2umgfrom front to back, the person is likely to suffer 58em2 qm5u6v g bxav.ofrom

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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 correctr)r*sb ;:m-k/insz (jp r z;zoed 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 rispe(zd7t m0,ho8 i kye(e to a vision defect that can be correct7ekyd ioz0(,p 8e tmh(ed 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 fro+k 0e.kysr kl7ez-h)z nt to back, the person is likely to suk- 7.zk erl0+ ke)zhysffer 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 belih4-nd, b1 uf 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 f;r lemhd4q0,9z *put too short from front to back, this gives rise to a vision defect that can be corr ep 09*zut4 rdf,mlh;qected 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 *nidv67brcp*fy ;u t0a magnifying 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 diam6n1 qtz/0 sueueter objective in an astronomical teleu6e/0q z t1sunscope 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 4,m* u0 g4iuib: roqxlan opaque screen is placed in front of the lower half of the qgo,ii *04u b rl4xmu: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 kf2z1gxu,/ n q(c0l zmvisible spectrum, in which of the following cases would you be able to best distinguish between two c,zc2xgz (n0k1m/q l uflosely 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 magnif(ezzm.:*a 3ob4-xc agux chq2ication $m$. 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 8l-:+mdd ufputo see the greatest detail when using a micro:8pumluf+d -d scope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffeqj4c ygi 3g yma *9sde9xq.(;rr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff3 mtp f:rbgy8mn8,,8djq. tjver 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 refer7 ( 4elg9ysydlyk td37s 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 2+cvq:c i-*ih iv/ tichappens to its resolving power assuming that all other factors remain unchanged? It2+qii t -*vi/ccvc: his 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 lensh csgt/;r lfld6m0)u 9 (in diopters) will allow this person to see distant objects cles90 fm/luh g6)rdclt; arly?

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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 clearly3-o2 qxfjz,c1v cc pfl ;ut4at3a)n h( objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in fron)h2 tufqta;3v1l onf(,3 xcjcz-c a 4pt 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 havel(vtt (jgft.:bsfuq-u yj *58 91hphm power of -0.15 D. What is the person's far point if the glasses are very clo(tuv h yhtjfjl( q:-pu1 .f58* mtbgs9se 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 uw0qj ssapz:5pk;; l+ancorrected near point is 750;;:akw sp+js 5qlpa z 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 places ad*)f1,o0 b-+hx4c-2qmt kmemqwict reading glasses close to her eyes, and with them she can comfortably read a newsp b4mmmqtca- 1w)+f,tdk c*hexqo- 02iaper 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 h np1 ip0i9d8izeld 25 cm from his eyes, if he wears glassespznii 9p0i 18d 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. tila,(27qmkq i, i/va A person has a near point of 25 cm. i,m /q,tla2 v (qaii7kWhat 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.s80z ap ;)ceow A person has a near point of 25 cm. What is the magn ;80opecw)zsa ification 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. Whatuta ke:t8bnc w3*6m* a is the magnification if the image is viewcub :m6 3*nttk *aaw8eed 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 cm as a md -q t6l7lvq6tagnifying glass. What is the maximum q7-d6ltt v6l qpossible 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,y 6v5vwm u9xf a magnifying glass. What is the magnification if tm9uy,56 wvf xvhe 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,+q+ st:tszvwb6p) 5alv/ a 3ey and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnifi/sp)e+q+batv3:sv5t yzw la6 cation 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,6+vva)l0gdeazylw u*fagj;73(i vy/ 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, wha u;jwz af03*e()lv+6yidv/y lg7ag vat 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 fovi2 c.:+jxmw 9cw r.rccal length of 200 cm and its eyepiece has a focal le2cw:wr9r cjmxiv. c+ .ngth 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 astro+sgx a5z ngu2,k:vv8anomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, v,ux 2a gan :vzsk+8g5what 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 astronomicrip ztz0p4i-e db37n 8al telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length o7zi40t pe8-3rz dipnbf 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 telescogxfu 3(ir3suii3 m7 /es;yl+ ape. If the telescope is limited to a length of 20 cm, what is the approximate x;3ifeuiaml s3 y uisr7/(+g3focal 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 g9-dzwru z; fw*5 3nyjmm and an eyepiece of focal length 20 mm, adjus5 z-;z* dunrgfyw 9wj3ted 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 focal length 1.4 mm anmcqclab,2pnhut* ; ,(qsb- 4 hd an eyepiece of focal length 20 mm, pq , q(lutnca2; hs*b -,m4bchadjusted for minimum eyestrain. A blood sample is placed 1.5 mm from 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 with a foch0j qtp)c;j f --em,vval length of 3.00 mm and an eyepifp--th ;qvj m cj)e0,vece 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 b 8wgd* rp*2w,)robjrz)f 1itand an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of2f )8rw gz)rpt*do,1*b rwbij 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 separafz:4thv:ludyza5txl 1wb 65+tion of 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 resolve the two s4:ul vztfd zl 6 y:1hta5w+b5xtars?

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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 resolv+8faakix w5e 3xa fm;0 0kz*pkq:x r/we objects 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 nk0 kwew05m fr8x; :x*pki+az/qxaaf 3 m, 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 to 1.5 mm as 6e(5col 4eag.fead-:/7 y zlfgnc ab+ the illumination is increased. By what factor does the minimum angle of resolut+bf ofza.nl6da:75 g-e/c4ycee( l agion 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 Hu irq)wud a j1qw-w)2e6bble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could thisw q6wdijwe-1r2)q ua ) telescope achieve if the wavelength is 500 nm?

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