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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 shutter is open and the film is exposed in a ca *,eaq7huc.v amera is determined *,7hea au vq.cby 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 determin3x+qtnsl9 j5+ zoy h 2fi+x/guxli.f6ed 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-fwz o636c8/c pvehn1xqilm 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 means cozq8w6 hnvc3ex61 /pthat

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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 ap)r8aa 2oi kaxden7x3f,) +cu;ts8z)lnxc- k nproximately to that of norm zf;c a2 ))eoskauc-i7x+ 38nln8 axrt)nx dk,al 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 telescope to magnifye i t4 hq,cohob4-*c*i 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 fiem l wk0a 7t-mt aghg53kz:d3k(a9az/qld of view than that of the eye and through which objects ap-k7gam9(k/ a td3m qgzla5ka h3w0zt :pear 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 itgy/e2b54u.rx0uty0jrfokk p erw tie0: : .+s 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 tg n*)eac8jh8l:z fx,fhe 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 zc7nf8i4a) sdq kj9;oclearly 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 ey4p4 xlkeg( ls4e 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 bawj /rq.k5c ;* :sjaheick, the person is likely to suffer fromheqjr*:.askj c5/ ;iw

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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 cornbxwp 2 o ).:aq/he*9weadkp,k z ;7k nfei4w,rected 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 frd4 bza(h3g4xbz 2h+ +iiz6 eurom front to back, this gives rise to a vision defect t ui 6iz(2g er+x4b4 azd3bzh+hhat 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, the person v er1.rf)yzf.w7 jc8zbi76e*x zk lr.is likely to suffer from.l8j*6.)kw ir bz.f7c7rzr 1e efxzyv

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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 9t3b 0 *ieedusew.xl5 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 from front to back, this gives lzgzyq. ) 6ccs-x g;qtm/h t*2rise to a vision defect that can be corrected by usiqcz-6 g)s c.t2gm;t xh/lqz y*ng

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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 gspz6rj y 17t o0c-xm5zlass?

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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 di/zgwq; la;aj-82j un lameter objective in an astronomical telescope;q-z/awjj28lg alu ;n 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 f( bk/8nuvc * 83njldl;tco7dq ormed by a refracting telescope. Suppose an opaque screen is placed in front of the (dc bocl q n;d/vt87nkl8* j3ulower 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 sensitivity throughou ),zl(on1ujuvt the visible spectrum, in which of the following cases nuz(o)j uv ,1lwould 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 magnifik/0i stcs i)e(cation $m$. 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 expech e 8ms xka3*41axvbl*t to be able to see the greatest detail when using a micrhm8sk vaax *elb*3x14oscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff)k n(za(e.* w6s8dpe mq0ig dger 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) yokk3zzt tjn*2 8i/xer 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 microm6, z2hq)qioescope 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 resolvin9hdsd1g+k sez ve .f*gq 8up8f/8 qp0qg power assuming that all 0 9p8f/8ue g8.s hzeqqkq1sgpd+d* f vother 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 persont.uz5 eq/kobwpa zd9 5/. wt5n has a far point of 18 cm. What lens (in diopters) will allow this person to see dw 5z/qtz toe 5na/p.5kbduw .9istant 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/ z)sg6c vkb8 k:r3uoj more than 70.0 cm away. What power of lens should be prescribed if the gla6)3 b/u gzs jk:k8rvcoss 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 wear3n nkm.m aswzl9d0( yo30pwn 5s glasses whose lenses have power of -0.15 D. What is the person's far point if the39olnak05( mnpm zw3swnd.0 y 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 nee w24 yx9m)wmyglw0;b;*i9v g yvmt2jnded to correct for farsightedness where the uncorrected near poi n0v)iyl2m29wxgw*4;bgyj;m9vym wt nt 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 pe-fq(vhpw ien j:2l7k:rson is 100 cm. She places reading glasses close to her eyes, and with them she can i7(:w2fe:vhqp k-jn l comfortably read a 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 read a newspaper held 25 cm from i7;m es3ysx.khis eyes, if he wears glasses o7ys3imx. e ;ksf
+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 i.- qjj2hdl -lh11mr7q8popchas a near point of 25 cm. What is the magnification of the lens for that person when the r8lodl2hq-q-71.p jj hc1i pmir 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 n)5w9ajtf/ l shas a near point of 25 cm. What is the magnification of the t faj95 )lnsw/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 +v5mr/57ovb tyrnw , rl*a5x ,nq+ imscm. What is the magnification if the image is viewed by a relaxed ey w l7*n+vri,y, +motr5 q/xbar n5msv5e?

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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 magnifyi+c :t/htj 5eging glass. What is the maximum possible magnifiet:5ghi tc+j /cation?

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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 ag-3oy:hw: zgc/ zqn-glass. What is -3 w-hqgyn:/oag z:czthe 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 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm.w8dab/ ;u:le w If you were to use any two of these lenses to build a telescope, what is the maximum magn ebdw/w8 a;:ulification 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, and 16 t5muho50o 64 f9n otiucm. If yo49uf u 55h toi0ntm6oou were to use 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 le3 homzmo ) bbm(ae0c79.z1x eyngth of 200 cm and its eyepiece has a fo) m3x0zeyc9z 1mobo(am e.hb 7cal 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 10lz y-+xdlwx5t)4r0 (i oka/dr. If the telescope has a converging lens of fok0 /x(i-r rwdzl5lao4ytd )+xcal 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 y1kbfx 3,7yob with a magnification of 10. If th3 yk71,yxfo bbe telescope has a converging lens 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 te/l x6bwf7 hff7m1yq, elescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length ofw1m/y7be ff7x, h 6lqf 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 objectisou 6: k9kmy+eve lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrainu 9 skk:e+6ymo. 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 and an eyepiecewgn2 9l 5jolk:;vv2qh of focal length 20 mm, adjusted for minimum hq:9vjo vn;5g2lw2lk 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 microscopx84mpd/4ofe,g febf4 e has an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are seppf med4, fof44exb8g /arated 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 andu5.tk:b2 t khz an objective with a focal length of 8.0 mm. Wh5b2kz k. tut:hat 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 constellation Orion has an angy.v;b/++sa9 strgd 3pkh,rij ular separation of 10-5 rad. If the wavelength of the light from tk+v rh3 +;s 9bi .ts/rady,jpghe 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 objects which are 0.010 mm aparpmp9ny 1 e;)utt. If the focal length of the objective is 4.0 cm and the wavelength of ligmt9en;) ypup 1ht 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 from a diameter hi52y7g*ts6tcq oag3.6 kzd5-jsgl jof 3.5 mm to 1.5 mm as the illumination is increased. By what factogy -i7lj5cj3g52h*o st6zk a qd gts.6r 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 Telescoh 7 ir bab,+nlh;2vsp8ht 7(lcpe has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavele hi7 ph(ll;2cbnbtvhr7,s a+ 8ngth is 500 nm?

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