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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 o r l.hgk)sqn ly6ijh1/j,r 47zpen and the film is exposed in a camera is determi zr4)lrjhy/ ,67q ngh.i klsj1ned 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 determined by then. of;3pw jvr+ bul:3a

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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 varied by slidiinze1zb)a p,ga5:3 ckng the lens forward or backward with respect to the camera ,gzi:51n 3kp )bceaaz 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 filma+k z:s 6l+i* hpv8rfu with a field of view that corresponds approximately to tha86p:s+a* lh ufrzik+vt 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 magnify images is referred ,svo yz4z utoykeh +at3.32u gd..9 owto 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 withla .m.ucl wm-* a wider field of view than that of the eye and through which objects appear sm.*uw llmam-c .aller 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 hu4t;f1an)rsemfmf )98 g87dgg)qu oaeman 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 8 3ar lb*,fytoby 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 at which an eye can sezj-ue61i p/ vd,lbkh8 e 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 eye can see objects clukb/my/ :(konvvf 6hl116 pmuearly 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 ba5 qsj -qfry; 9g81k llpdnr0s7ck, the person is likely to suffgls7qqrkp 5sn 9 r1l0f;-yjd8er 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 0moso ql++n8rith

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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 rise to a ae 6cwb ple o*2(c/pr;vision defect that can be corrected by usiac ewp /c(2*rlpe6b o;ng

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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, to 0;d o7e:is+fh-qtkp he person is likely to suffe t7kfpodq 0 e+;-oh:sir from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can uayyjzi*jdyw*9y f4e:i +x.; n sually be 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 too short from frontoxwcsya1 nyl 74dy)gwte+ 95 - to back, this gives rise to a vision defect that can be corrected b9ny yt5 )ox y+wlgsc74aw-d1ey 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 magnifying:nk50 f:yx6g bl2 fb1q,cgc+fg :vsrj 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 diameter objective in an a /gm,,ra/wh sv1,ehkj8w7wey. jc td5 stronomicalkjw,w ed7yajhct8 vg/sm5, erw1.,/h 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 teles spt9-(4gaiascope. Suppose an opaque screen is placed in front of the lower half of (4a-as tgsi9pthe 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 sensidxgh+ms0s0ui 7s1*tjnf4 ),q.saqh rtivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens0*d7hsuis0ft qn garh qx) +mj4.,s1s 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 hn0iytrr +r 3yvp/)sz :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 you expect to be able to see the greatest detail whedi2hcix -2wljpzv ;qx dh0 5rak7:+*fn using a midx0 2hcjxfw5+a;d-pvihk lr *7 q2:iz croscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer(3rf(:x o f2mq)mryd s from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffn9sua sg ow.dmo0 89h(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 refers to the(v8 uqiutdt1zd z55 r* 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, wh1qw..ec , l7eukv* y7/ )fj4 m9jlhnp hweddd7at happens to its resolving power assuming that all other factors remain unchaumekl71l9ehe 7 .)nj/d d*j7d4wv,hy.pqfwcnged? 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+jmeb2 ep,p z1 point of 18 cm. What lens (in diopters) will allow this person to see distant objects,2+j ezpbpm1 e 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 z+lo xu3*a6a3fi3n/mdubsk +70.0 cm away. What power of lens should be prescribed if the glass is to m3a3f3/lks u a*+6z+bnd ui oxbe 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 glassb(5/y8w*3m q7dj*s gxz sozffes whose lenses have power of -0.15 D. What is the person's far point if thzq5yf /8 7d*(3 osbjmgfsxwz *e 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 fa0k.2txyjh r: mrsightedness where the uncorrected neytjk2.m:0x r har 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 100 cm. rl wqaox 5f2./m1 wzprzy8dwa 2*o;9dShe places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens ddx.ml2z q*wwy roa82a;9o/fzpw1 r 5power 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 n1p67 v3lkju u(v/txlcm from his eyes, if he wears gl l/x71 u(juv63kvpnltasses 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 piaa5d,(ogh l0oint of 25 cm. What is the magna ( ai0o,l5gdhification 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. A person has a nyf ut- p4e2vfykdia*;9 )c4shear point of 25 cm. What is the magnification of the lens for that person when th2 s ;phvf e*9u)dyay44fkt-ic eir 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 ;*l ,gj7ilx1xvj5 l xhthe magnification if the image is viewed by a rellll5x;g7h xjj*v1 x, iaxed 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 conve+ cwj4hy ,2yiorging lens of focal length 5.0 cm as a magnifying glass. What is the maxy,wjy4io c +2himum 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 of focal length 5.0 cm as a magnifyina*o2g lju8td :g glass. What is the magnification if the person's eye is 2ljo*g du8at: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 lek*t .ni-e7is w5s:gudnses 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 telescope, what is the maximum magnification you could achie *ik5us.tis:e-wn dg7 ve?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available len by iqd293f2wy3p pcj*( .-c2upgdcpuses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If yopcy djbg - pc22u y3u*w3(d9icf.2pqpu 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 length of 200 cm anduollcj t-. lwg9glz:/wv k:,) bik+u0 its eyepiece has a focal lengtbu .vlwk9+ w-co tl i:lg/)zgk l,0u:jh 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 astronomiq(m8 e0c)ghsp cal telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lechq pe8s0)mg (ngth 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 with a magnification o/n9),dshd zsz4qf:2xzw9b8c/ z xfizo8- u mqf 10. If the telescope has a converging lens of focal length 50 cm, wzq/,8u-z9d:oq4sm czhs z9f/ xxi bd82wnz)fhat 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 10mc v41x3sp1 fjX telescope. If the telescope is limited to a length of s1 4m pjc3xfv120 cm, what is the approximate 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 objective len.p3axf*.+ ss3ja sntx s of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are thax n3. *s+sa3t.f pjsxe 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 ubxir47 68h280klbc rg;ra ctq.je .(kdx d6i and an eyepiece of focal length 2r6rt 0 ejbhx 8ldcau(x27k.q g.kd;b8cri64i0 mm, adjusted 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 with3giyq )4* ygzphvkyb/cgx 0 68; me(rd a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is 3kx 8qy bmd/ ri;e y)phy4(0c g*zgv6gthe 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 a4f w.hi n8d+/ov n ej3jj:and0n objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification jd4j+enj 0ia fn:wh8.3vod/n 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 separay j:md:1ot2fg tion of 10-5 rad. If the wavelength of the light from the system jt :d2fygo1m: 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 designeyp xl 6(8*xxj1 k+uylid to resolve 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 nm, what is the diameter ofx6y 81*l+ pkixy x(ujl 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 chtmxn.(t33xc,pu,og d37n f ykanges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolutio,3 pkt3ot uf3c.ngym 7ndxx(,n 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 Earthrbe9t*3cscept zg9n8g 7o +i+pu.7-cd firg2 orbit by the space shuttle. What angular resolution could this telescope achip 3dtrtc-fsi7zep9g 9c+ogb.c+*en8r gu 7i 2 eve if the wavelength is 500 nm?

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