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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 exposed1qvib7 k8;)u)t bta rq in a camera is determined by thq ki1va) tt)7r8;qbub e

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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 d5dwqmk ,/8t /pj3ipd retermined 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 varielj-)j wqikl:9ug6qdq ( 8m :sld by sliding the lens forward or backward with respect to the camel:wld k9qj)-(lg8s u6 j miqq:ra 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 tl81.kq3 q kta a0kvf*uhe film with a field of view that corresponds approximately to vlafa3qq0kk*1ku .t8 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 telescope to qs1:hokar);zmagnify 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 of view than that of the /ltwd 4fm u3e.j.4rg j /n(ucoeye and through which objects app/tr/4 umjnwfceu( 43gd .ljo.ear 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 different from the (wb yfmn4 w*p7s+fa8ihuman 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 occur za rel)cws ox)1 a/:.7;skytzs 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 wh3rtb-m.zj3 rfc1:cb,j xr/ hn ich 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 w5vluvod-t0;o hich 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 from front to back, ldcv5p1s2(98 u9vhdvttvv* i the person is likely to sufferv9vdc 9 dvp8vtv uih1l2(*5ts from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can ubygv jd s4 u)t1kj /l7euo1;9vsually 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 frondix89ddsej jdq8 1p,1hq*y+ qaep1m w(fyr 1; t to back, this gives rise to a vision defect that can be corrected dddy+; 1jds(qyha *fpm8 11qr8 i qwje19x,peby 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 frox1 y:jbh iz8o0d ujp(ax23. ront to back, the person is likely to suffex:djupj8 .r0y(o 3ai1z ho2bxr 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 correcteh/nwl 0.52;oysgj w nkd 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 sfr 6kw(7ohc, rise to a visiowf sko 6hr7(,cn defect that 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 maycxsa65, jf e lb01jt5ov+ y-lgnifying 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 usinf ati8u7d(vg ,g a very large diameter objective in an astronomical telescope 7agf 8di,(utvis

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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 ha386 4v*zrgz- whhlxan opaque screen is placed in front of the lower half of the ow8hhr a 36z zlh-vg*4xbjective 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 visible spectmwa9*:dy.k sc rum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The ckm d a:.*sy9wlens 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 hduq ojky( ou3an.uae+q3:l(-as 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 youy.+8zhv c h -wd)f,n6s f3 a*cbffxr.w expect to be able to see the greatest detail when using bfw*ccnw-)f ,.arzdyv f+x 8fh36hs.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 from qm xoyw3 ul(ljlog)x88 2q63z

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer78ih rk.(u:tn 6lac9b t*xrn n 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 mi hxui7 2zuq1h,croscope 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 ,m amm,1ug3p t: ;wjczits resolving power assuming that all other factors remain unchange,,j 1umcwg:p;3zmmta d? 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. What7x,tn.ej5 m7fq :uvrb lens (in diopters) will allow this person to see djxrnv.q7,m:b et57f uistant 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 more than 70.0 cm away. What power of lensrr2* nkx3i3ytnht:9q should be prescribed if the glass is to be worn 1.00 cm in front of3rh9:nitk3r nt2qx*y 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 g46 : tjd)b0nqz ubx qb,pgcg1,lasses whose lenses have power of -0.15 D. What is the person's far point if the 60 4 gbu: bdgnxq1z),t,cjbpqglasses 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 f9ig7 ,us u.v0- eqanuuhju6z 9arsightedness where the uncorrected near point79 0uuunvi9.ga,u hq jzs-u 6e 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 farsil 6.ufyi9i ;ic6u 1 e3ec:dahqghted person is 100 cm. She places reading glasses clo6i;9ec1aq3e u6lf i du:cyi h.se to her eyes, and with them 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 frthvq83g,ewt;i +5qg* orp pi :om his eyes, if he wears glasseh+;iv5:,i*p8eoqg qgt3p rw t s 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 has a near poit ,0vk)9 uowjunt of 25 cm. What is the magnification of the lens for that person whew 0kvu,) 9oujtn 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 point n-4m -0ymguv9vjqy2 rlqnb9. of 25 cm. What is the magnification of the lens for that person wmjq2rgm .v9 - uqy9bylnv0n4 -hen 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 thc 69e5mzd8;p6e5r+ akw4pon tyt*cst e magnification if the image is viewed byortz a 5+65wtk ee9c*d;mp4tpcys8 n6 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 focazgr: jb kj ,qj1r,q9n(ce8+ za gx*(nfl length 5.0 cm as a magnifying glass. What is the maximum possible magnificatz nbnj,e1(rj gk9c8rqax* qf,+ g(zj:ion?

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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 5.0b9 qz6zzf;r) knzftx.m8ix-,j0 h zr; cm as a magnifying glass. What is the magnification if the person's eyzzzn 8 6 0r zxi;zb-rkq;f.hxf9j,m)te 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 fokby. md(ij xjk;v6 r.m;yv )5 hhm3idd6se+ s.cal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to k.6+r.;ijv5b is 3xe )ym d. vms mhd6;(kjdhyuse any two of these lenses to build 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 e) e )fywz)a-xoo,ui /6dxec8cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnificatyo-xzix , )ea6w) /c8odfee)u ion 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 l34z8(tja r,dxqw hvi ++,amt eyepiece has a rzx+majh8, ,aqtvtd43+ i(lwfocal 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 astronomicayj :i ifzdcjv 2vv2hvj7,j (*rfu(+/vl telescope with a magnification of 10. If the hc,fjv +2v2j 7ivyv(:d* u/jrizfvj( telescope 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 xf b7 qz.mv n,sz10,hxx9vsr(an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cmb rz f,7h0zv(9xq,. xxsvms1n, 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 te lype :*s 2k7.jygvy;klescope is limited to a length of 20 cm, what is the approximate focal length of thy7:g;k*2e yklvy.p jse 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 mm and an ea3gh,;j7(e5ei w5tpin k nzw 8(0arceyepiece of focal lengr((5awinc3te;,neg kij5 7ew paz0h8th 20 mm, adjusted 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 1 )yehv/jtse ( a j;dq9q)oi+wand an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm y+/sj1a( qjde wo;qtivhe) )9from 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 )-f* ihn042p)ozveduimh jn*length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses *)*4 2)ov h ihn0jnzpfu-mideare 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 1u4 x tig-xz08c8-cm barrel and an objective with a focal length of 8.0 mm. Wha0-xc8gx4zuti t 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 theu5i 3qucm+bh- hb/n0). 3bokmnax /yq constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the)/h n0.o3i3bc5b-nqy xbm/km+ uqha u 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 wu6 tx3)8wqzdzor,1 inhich are 0.010 mm apart. If the focal length of the o 1x 83oi6dwu,qzrznt )bjective 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 from a diameter of 3.5 mm to 1.5 mm g3s0 ot1fy-*d*t,ys ins lf x3as the ili1l*yd*x0,ts3tsng- fs3 foy lumination 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 .gr bm5sef b,bd j(2e-Hubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution cober m5.2dbe -,sjgb(fuld this telescope achieve if the wavelength is 500 nm?

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