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习题练习：Physics Unit25: Optical Instruments
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 作者: admin  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 thg m1s/re; pfqqx*r6- ge film is exposed in a camera is determine/ -qeg6mx p;rq*gsr1fd 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 filpt6 xqx)8(s osm 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 thverrm -h9jky-33n.u1 p 1oemge 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 o- 3 -p9j.m r11eyvermug kn3hfuzzy 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 soym+l0l u450bmaota5 avd6)the film with a field of view that corresponds approximately to that of normal vision is rv06 a)+mdla 5o ty4 smo0blua5eferred 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 mag*yovok/c 0bn1cv0e i8nify 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 i f8zua+ukc*lc;vv, 8 the film with a wider field of view than that of the eye and through which objects appear smaller is referreiu*c l8kf8z av+c ,uv;d 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 yp-gyj us.,8u 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 the7:a;-nmyc, s j ozm,il

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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 caa,rsg ub3o9. bn 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 eye can see obt4l/ st*ekzr0dbo- w)9dh tq,5 9isovjects 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 *6imi y9m;xaemi; 6 wbtoo long from front to back, the person is likely to suffebm;;mea iw ixm*69 iy6r 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 corr5isc3 xayn 6cxy:e1a+ ected 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 front to backj g6i:63 9j udo*e 55s- gekxdfmb.sjh, this gives rise to a vision defect that can :xg-j ims.9fd6o3 b5g5jkeed su *6jhbe 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 toovm08 ddvn59 67i3 izhxd:*ya3zq hagc short from front to back, the person is likely to suffer fr*6 va ih3d0n97mxdg vicayd38 z:zh5qom

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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/c;ykd:o8espsr+z2 jm c :( fc 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 rise to7u3ool*i ln r7 a vision defect that can be u*il73 or7loncorrected 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 magnifyu99nqgp n1+z+lfx na/ ing 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 largeuhi ncz2f s vy.uas/s+0;4p6 a diameter objective in an astronomical tele+p y az;ch u6i2/nvsss. a40fuscope 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 telescopxzop ug( qg / f5n.a lxpcq1me0k(d(va)q j,/6e. Suppose an opaque screen is placed in front fkm(1/n5 u(,cv(g qg0)oapl xjaq.qx e pd z/6of the lower 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 unifoffo* 2dw,q+f1zcvg8mrm sensitivity throughout the 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 telew2czgof* m 8vfqf d+1,scope 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 magnmc /p1mj 7hxy(ification $m$. 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 det90,x z.f/z-o z qnpajtail when us xznp,.jat zzq-/f90oing 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(/-ytngt;rea.e 2y+j: xd wpzns1 qr7 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 frafc.yftuc3vkj:mz .,f:(by7 cf -4 xhom

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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 mii;atge8en 8rh-dl6 u; *om c5kcroscope 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 resolving power1f:gp jtv6u:y9++nda8u sfun assuming that all other factors remain unchanged? Its resolvf av:8ut+: gupfd n+njy9 s1u6ing 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 5zn bj7hw e bi3s9ri)5hofg2q4 3 5jwiallow this person to see distan3f)hww b q5b2rj73eognz5jhiii4 5 s9t 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 morexa.xtnab/ r 3rh9)nk:ceop/+ than 70.0 cm away. What power of lens should be prescribed if the glas:) xhr3x 9rkp enct a+no//.bas 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 wears glasses whose lenses have power of -0.15 D. What 5e8qc imvi m10is the person's far point if the 81ii50ev cq mmglasses 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 where the uncorrected ,o( fr;msww bl w8 p:z+nw/p doh.pv56near point m5l pw8.(wo pw; hz,d+vwpbs6of r/:nis 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. She places readingon69pzvnn)kw njlh *m 4oyiuhfk* gu-p069:. glasses close to her eyes, and with them ppn)kyn *:oghw .u99no0 6l*uizjv-fk hn46m 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, if hs ue pl/uj:pjk68 whz6ml k,39e wears glasses ,:zljlj68hpu9m/ ws epuk6 k3of
+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 point of 25uwt 7 6lrwc14f cm. What is the magnification of the lens for that person when the 4u7wct6 fwlr1ir 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 of 25 ,wl k9-a j3fsscm. 3 law sj-s,k9f What 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 magnification if psk7zhf*td b:n,:3ix the image is viewefsdix,z3n7: * hkt :bpd 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 foc o/nzjnjp:5*rkb6.pwq tps5 .al length 5.0 cm as a magnifying glass. What is /. r qbp5n:pt5w*zk6jp.o njsthe 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 of focal lengt2u(d:k ijtztu4s .8kth 5.0 cm as a magnifying glass. What is the magniftu2kzkd t4:t j(8s i.uication 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.( 3lfe pc/fanl rm7nbjz2sa(6 .v-a o30 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximumnpvmo6-azsaler3/(a2c jf3ln bf.(7 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, o t*mlmvub 24( cc(-jj8.0 cm, and 16 cm. If you were to use any two of thomlv2u-cb( 4 jjmc*t(ese 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 and itsr6 5dpi9hbnz o .+mxm0f6m+ju eyepiece has a focal length of.6u nz0of9m+xmi b56d hj+r mp
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 astronomicalf51ilm-f toe. telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal leng l o5e.mff-it1th 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 of 10t3kfwk1b4vt,,3aja/ aw:e j g. If the telescope has a converging lens of focal lengthe3aw j fg3,w:4taj/ k akvb,1t 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 10Xxky5db mk1w9g; f5gl / telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal lengt fmx1 kkbyw g59l;d/5gh 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 lens of focal length 1.4 m;rs1vwx oyq *ds9a 9p9or)u o5m and an eyepiece of focal length 20 mm, adjusted for minimum eyest 9psqwoa r1yudv*9sxo5or)9; rain. 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 eye8yxf97x cn:: fz.projpen 5hn-l 7ck4piece of focal length 20 mm, adjusted for minimum eyestrain. A bloodjznycfnkeocx4:.p7 5h np:lx7r89f- 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 jda x7l ,;svj)rtb :6bfocal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40)sv dbrtxjj7 :,6;lab .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 r3mr -,iie5qpvv e3. wand an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification.evqwe5mp3-v3i r ,ri 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 mhr4xq4 m7 ,-h4r7g twh caw0sconstellation Orion has an angular separation of 10-5 mwm h4arhq 7wtxr40s-g,h7c4rad. If the wavelength of the light 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 00,sn rjmi. tgresolve 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 diamete0i0njg .r mst,r 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 chan t/ te t7*-cqlupt):brges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum tu:cqt) b*p7r-te /ltangle of resolution change?

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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 Ea7o+kpz.dll o7 rth orbit by the space shuttle. What angular resolution could this telescopeok z7l7o+dpl. achieve if the wavelength is 500 nm?

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