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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://autoconfig.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://autoconfig.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 theb *c zdeez.:i1 shutter is open and the film is exposed in a camera is detere *z zcib.:d1emined 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 determine cc54jq5j vth*d 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 l8*yhnosa md f(1wk.,nc-r k7jens-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 pictureka o8 sn.7dcfm1,h knj* (w-ry 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 corresponds apprnh: (9 vnol+vioximately to that of v( ol+9vnhni: 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 maz. :+ywnc sjm:,hw j5cgnify 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 of162-yzdx igkj7t9 vv:hhbf7y view than that of the eye and through which objects appear sm-7zjh2:ih k g1fy9 7t6 bydxvvaller 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 diffe sp* qaoj1g/ b blr/6bx7i1h)qi(u dl(rent 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 ockv1d4z 1ji8 mdcurs 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 cc g/ybf, *ogd)learly 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 u z y:uk.;ogfq yx/(k: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, the person i .r ef:,2zqqnn+sc fzhz, b5*ks likely to suff,zcb+.k* qsz5n e:rzq nff2, her from

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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 corrected w t: qj*)mw 9oa.l(casxrryc8as:(vn (ith

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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 fr q n*v7zeag kt8vuja/f7mai3 -6/5cht ont to back, this gives rise to a vision defect that can be corrected by using7 35/fjk8/eqcah g7uv v *t a-ztnma6i

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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 t0;oj vtpvpl6b:i9 od2oo short from front to back, the person is likely to suffer ftjdop:6 9p 0ib2l; vvorom

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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 q1tq e8+dg*h j+ kw7fugo/-ekd +c2powith

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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 givpij a waur36.9z0ukl8es rise to a vision defect that clku a8w9j3ap z .i0ru6an 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 magnifs.f fo+4rzhp8co(f5 n,dep7:qky(y(d 7muxd ying 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 us7- - l -zfi+tvozway;ning a very large diameter objective in an astronomical f il-no;z+-7vya twz- telescope 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 tel1g7 x1eodwm *2ua87 jch6xrkmescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this ha2o6rxhg1dc 8xua 7* em7jwk1mve?

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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 2ndnqul9 z u17the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of the telescope usedl 2un1q9zu7dn .)

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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 magnificatie( dpzq*yy cs h:3o l,ss(m6m7on $m$. 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 smc( -polxi(,to see the greatest detail when using a mi- x (cloi,pms(croscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer2u,n 8/w oha b69nf uln,hdav8 from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer g3)xhc ax 1iq,g/z,cjfrom

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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 micr)(*cv u:rkggw oscope 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 dis/ 48buhbtcmonu:9g g; (a rguxpzk(o il,8g+:h is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Itgg:ogact8gi xu4pknz(,u ;l ob(/br+9m8 h u:s 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 lens (in diopters) will e a-6uokh eb;/gu9d1c c1ggi/allow this person to see distant ou;d/ceeb-1 /gaho 9gkcgui61 bjects 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 thahb(k.l m*/*y3li fher: (.k+ y jzf na:eir5gyn 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm ije g. frzki/y(ln ey fm ri+:*(3h.k:byahl*5n 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 wenxczqud ib7p9fwr 1k9 5c-+ g5ars glasses whose lenses have power of -0.15 D. What is the person's far point if the glasserk-p95fq xn1z5 +c gw7cd i9ubs 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 neede+:s g)jro fa,kd to correct for farsightedness where the uncorrected near poi:r)gfj so, ak+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 person yx* 84/4gpz2 pq jorvm9ro,be is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distao,eo4 *mry8/ rzq9jg px p2vb4nce 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 f q/( ;:18k/xyrrxqo:s-x -qcjzpl g -+dmgbqirom his eyes, if he wears glasses / ixqggqo-x(qjkx8 m:z:r-db/rs qp 1 -c yl;+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 oubthu8)4j i2e f 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes areju2bh ei)u4 t8 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 ko hbi2sym568 zq579erca4 ldva6-lmhas a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused a rs 7cm q95k5va6dhi2l 8oez64-mly abt 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. Wgd6l;e6wz vl)hat is the magnification if the image is viewed by e dw)l ;v66lzga 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 convergi too;zt3 k6uu;3fwc,lng lens of focal length 5.0 cm as a magnifying glass. What is the maz tkl;t;cu3, o o3wuf6ximum 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 convergiee0erf ,.q h9dng lens of focal length 5.0 cm as a magnifying glass. What is the magnih req.d0,efe9 fication 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 lenssq3d9jezt7(4mconwuauc 6.+qm : uq7es of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a teles+q3. mw4ot 9 uu:7d (aqncequ67cm zjscope, 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 ow n0r0*5e lvmm:xwj0uf focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lense0*eww0u0 l mxrj5n: vms 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 hni1-d.j(3jic ij9h7 e)n cemjas a focal length of 200 cm and its eyepiece has a focal length 17c9j dj necie-n).iijj(h3m 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 astronom3p(c*mdhn bi qqm9vchku)mrp-f8449 ical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is fhh 9n-upq4mcm3mv 8(rc9q)d4k*b ip 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 2t1f vcuk384x)j6b. ,j xse njsgfe+xwith a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resultingejxc)4+gx fes.bxkjn f 6ts8 1uv j,32 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 tel0bugtd)6sc c u8vx17 zescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of t1 t 07xsuvucb8)cdg 6zhe 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 ay fua; cjh(* jz:i+8vpn eyepiece of focal length 20 mm, adjusted for minimum eyestrain.:p a*8( +z cjfjhvi;uy 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 1.4cpap ,j1hobi(bp 8 2(n mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objon2pp i 18(hjpab,c(bective. 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.srg5g,2 pl02sse/nohm8zd z nn 5s. d focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses ar hg zn2n,pmnlsd0.o s5d zse/82rs.5 ge 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 an9yx 43j0co 2xbyrr pc:jj. g2fd an objective with a focal length of 8.0 mm. What is the focal lengthj.pcg jr f92b4o2 jy0xx:y rc3 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 5 0+ee8rf mt,y.v y3fr0sufww 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 smallest aperture (diameter) telescope thatf 0.wfu5f v0yw,ym+ser e83rt 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 microscop 1. (ooskh/5e m5lw2qk)x0lrvm ja9ca e is designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cjel5v0/oslk c1m9)aq ka h2r(w5m.oxm 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 fromq; x8vmdcol6.z wytr .ws0 ye,)+r2nm a diameter of 3.5 mm to 1.5 mm as the illumination is incr r.w y.nycrs8d emwm2loqt;xz6) 0+ ,veased. 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 Telescope has been placed into Earth orbit by0+xjgy p;j.j z the space shuttle. What angular resolution could z+gjjy p0x; .jthis telescope achieve if the wavelength is 500 nm?

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