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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 exposed in a camera is de5x 7zam.djra0p we wy6g: ;ioev.h(8mte axm0; vegj.6z w(:dme5 ah r8iw7y.oprmined 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 filo y)yyd5 ,dp6j1/:lpjfwouf+ m 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 the5phbs.)z,u bducs, 8.at: rzj lens-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,, ) 5rspu8b.b :uj.sa,hdtczz 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 tha1nsybej3m*hg(8k 0jp t corresponds approximately to that of normal vision is referred to as an *jkh3 bpj8 yg1se0(m

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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 magnify images is r,:h wf+v;ozix eferred 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 oe+q omr0.l vk1f view than that of the eye and through which o+m.k10e r oqvlbjects 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 waoil. hix c+0m6xa)z,-0z vuko.; ctxeys is 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 the eye occurs at the g6951,dcrzceb oc*ku

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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 wh k)+2k5krqygolub(7 jich 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 eycz vuks6ha*c t /l1:x:e 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 +m.bvbzjljw +v i+xse(5 mz lqjosxpp2) 4-:8person is likely to suffer fro + l jzvolbm8qx:+ 2j5pspi .+we4xz)-vsm bj(m

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallvrr+ :w y 6vfv4a1;ruxy 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 g6y)nj6 omnpc s3**.dw45f vh fmj c7sis too long from front to back, this gives rise to a vision def*h ympfwfn 5sm4*c6ns.gdjvj 367 c)o ect 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, w982oo yzg yv6the person is likely to s2z8v yy 9o6gowuffer 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 correcteyg xe9zf m;3s5d 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, th4)whv ysekr60ik5 hfjnec (+2is gives rise to a vision defect that can be corrected bynhisw 6fe4 502)eycrkvkh+j ( 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 magn*ptn4;aytj 9 sifying 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 v4 xl o8x1bowq0cd3 y7aery large diameter objective in an astronomical te 3oy c8lb4dwxq71a ox0lescope 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 telesco- l(dnkjqm0t25tmf 3tpe. Suppose an opaque screen is placed in front of the lowtkj3m(5fn t d m0lt2q-er 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 throughoutkpvp g bt/wm0z,cggo0,s; w,5 the visible spectrum, in which of the following cases would you be able to best distinguish betb s5/0gw,pvpgtgo,k z, 0m ;wcween 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 mwaq+3p.3 yzzoxsq w (/agnification $m$. 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 to see 8 +3ie(b gfuofp.bu;ithe greatest detail when using ogei 8b;f iu up+.(f3ba 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 frodo+j 9-nqci 15;e* +uhrubqx/kl1aubm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffs ce yn;;h qwfl2f26c(er 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 refvdx-ac)th; r :6b1 u9v+kt 8pnpvpkh8ers 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 radtn5 n0( izxvt)ar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged?0 ()nxivt zt5n 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 lenskf.j )qr5g+tm (in diopters) will allow this person to see distant objects clearl. ) 5kjgfmtrq+y?

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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 morei+ e-kdtexs5 7:f1vh7 bc0l gp than 70.0 cm away. What power of lens should be prescribed if the glass is to be+xlpev10s5 : t7fc-ek7h g bdi 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 pots22qzudt*r 1wer of -0.15 D. What is the person's far qs2 1*2trtzdu point 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 wherf scedy0v 0.x7fg g5m9e the uncorrected neex75svm0 09y f.ggdfcar point 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 kbcd ;7e3uef6 100 cm. She places reading glasses close to her eyes, and with teke3f; ub 6c7dhem she can 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 his eyes, mwpxp8z((b u/*w3zun nbc :tqi)06mt if he wears glasses of/*czn(nm (8tpib wt63x wu :mp)z u0bq
+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 has a -*3fifvaedc en3x1gr5( 2ua t near point of 25 cm. What is the magnification of tvet1ai x3edunrcfg -253(* fa he 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. A person has a near pogg .v5 fk/)8 yy-fzinjint of 25 cm. Whazg-n y jikg8vff). 5/yt is the magnification 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 magni5;tdyi rrk1s +fssqtn +i)79ification if the image1+k9d +trris5 f7si;)ty nsiq 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 lens of fo4rg u,*yd2afz.hh b(hcal length 5.0 cm as a magnifying glass. Wh4hu ha,bfh (y*. gd2rzat is the maximum possible 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 ogm. * 0zc/v1phllylt2f focal length 5.0 cm as a magnifying glass. What is the magnification if the pe*1ltcg v 2lz0lh .m/pyrson'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,c;1njti zryn qb)l )t9 0ei*)z 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 maximut rtcnz ib*0)jiq1)ye n9 );lzm 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, 8pw6-l /g(jev h.0 cm, and 16 cm. If you were to use any two of these lensehv( /l-gw p6jes 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 cm and its eyepiece has 3*kcu7jy v kd+a focal l3cu+7vkydk *j ength 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 astronomvid/6,w d-0c n lpx7 yp-mom:qddod8:ical telescope with a magnification of 10. If the telescope has a converging lens of focal length dn8w l7dip6:mq c:,d x 0-pmv o-d/oyd50 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 telc p72a.ze5 kl:b5jgztescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length z2a.bjgp:z5c5 le7 tkof 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 designinga ,xp3lj02dlqg *ej c, a 10X telescope. If the telescope is limited to a length of 20 cm, what is the ap*, jgdqa2 c3pl0lxj,eproximate 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 objectiv qp8e7f*jvdvpv3sm )*e lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjustee fp*v8s3v7d)mv q* pjd 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 and an eyepiece of fox egz, :0telow0 td.x8cal length 20 mm, adjusted for minimum eyestrain. A t0x8e g l,0et:wd.xzo 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 focal length of 3.075 dq6j.q+dydyxe 8 p dy)rvt40 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 4 j65dpq7 d+de4rqtvdy)y x8y. 0.0 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 and an objective with a focal l.7h8evbul: tpq 5d1k;vo * g o/kb)kfbength of 8.0 mm. What is the focal length of the eyepiece to give a total magnifiboev.:b 5od 1g;k/k bkl7*ph8u v)tfqcation 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 of/zdj dwq /::j zp)pl vzh9ofe(;qdzgi5*p0 p3 10-5 rad. If the wavelength of the ligvz:w/qi5;0 d d/qlgj3fo pz pz* p h:zp(j9)deht from 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 objects which are 0.010 mm apartbxbrql+ l2e a)i:n:1 t. Ia:bx n)r+lqb1l it e2:f 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?

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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 ey nes63oe 5r-/pbibj.t d4x(mve changes from a diameter of 3.5 mm to 1.5 mm as the illuminate tj6/-(nv.4spb bmo3id er5 xion is increased. 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 Telescov2cv8d9v(j c fc,:4jzr3n/zqj fnzl-pe has been placed into Earth orbit by the space shuttle. What angula 4c3d/rn-lzzfqv ,2f 8j:c(jvjvn9c zr resolution could this telescope achieve if the wavelength is 500 nm?

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