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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 the film is exposejo. 6nnpg7xw5*mg) ipd in a camera is determined by t6n *wng 5popxm)jg.7 ihe

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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 determihsjnq+ss+i: gu :h z78ned 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 lk5gfy -1-c zimay be varied by sliding the lens forward or backwar gc-5k-i1fl zyd with respect to the camera 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 fi3 ;e 6xkyu:kewlm with a field of view that corresponds approximately to3ex; kkwy6e:u 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 magnify images is referred to as anc9ko lxh *+3 bwv/1ne

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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 v1 *:yg8 kolqtp- wjh8siew than that of the eye and through which objects appear smaller is referred to as8gho1 t :kyw8j lpq*-s 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 w/xwc , 0hz/ofkays 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 nj:igj6 +bnp563 smoethe 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 whickmwo,k- qfiqj5t je-1c-4r: fh 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 eye can see objects b09mh onry xk/7a-2s kclearly 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 is likely tovj+ c ) inbl()sb:7mar suffer fro (si mcjan+)7lb)v:brm

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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 correctejrwzs.hhl 94l .lh 6v/d 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 bart:zwoa/0 iuevj(z ;( z4g:syck, this gives rise to a vision defecty(z/0s:tgrj a: ;vz woeu(4 iz 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, the person is likely topa2-yf b w (*s2.enhzg suf( 2- .e 2anszy*hgbpfwfer 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 correcte wjap/sov/ nuf 9xn7rn14hz,3d 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 tc2he*fvis7:, 4pj-mj sjcp /roo short from front to back, this gives rise to a visio/hje: sccj f-pm, p74rsv2ij*n 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 magnifying g1a yjbc7f zjfb*l9eb2q1,v. alass?

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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 astrono4i(fz l3w,w itmical tf i(w ,t4liw3zelescope 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 refra i qeo.h67iw qaltf wfd()00r/cting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will a7(.6tqh0ffdi)l ie0 wwro/qthis 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 sensitivix7abvkd:,)bk;x d4ok6wyu e8ofx5/dow a.z 4ty 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 txw) f5; kz6u:4 dby4ooxwo ekkaa87v/d .xbd,he 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 haspjb 3pccn + xszk5(r snj*:).i 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 sv9bypf q-1 ga6/jlm f/ee the greatest detail when using a micros6mq ayf9/ g1-vbfpl j/cope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffeq d)+ah 2t 2qcxkdt+d8wi +se)r 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 fcl43x onz7:th rom

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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 ability to za6s/+z:h ve-cp6 boy

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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 sz erul+s68d *au8wi0h is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolvinuli8 dzseu68aw* r0s+g 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) wilo76wj;n5 14/ hbq0omclv p lufl allow this per 4fmcub 5w70q1ol 6 lnh;ov/jpson to see distant 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. zvc 4a jqtsx0a u9 zm4e0l(-m*What power of lens should be prescribed if the glass is toa4a4v zx0l0(t-q*9m usczme j 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,u( i chitn qp2p2)q1k wears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very c1kci 2(p) ,uptqh qni2lose 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 fegb.4jc qol,optvrh:3: * pp;or farsightedness where the uncorrected near pointphtgl* ,.j3p4:;epv:o q ocrb 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. She places reading glasses cl-b-+wmd kosb( ose to her eyes, and with them she can comfortably read a newspaperso+wb-b dk-(m 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 he wd t,c 5f j059 wuvxg7sy3-ozxaears gla,9vjgx75uws5fdz 03ca yto-xsses 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 persoueu*wnnxti1,. 81 kwdn has a near point of 25 cm. Wkn.di 1unw, u8 *extw1hat is the magnification 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 near pjv eo(xhx/dr,4v+mf c 3vv4l*oint of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near pointm, +vx4ved 4hfo c/v3r(*jxvl?

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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 length6y/dj z(6o6l1 + muad hfcvr 0a6tz)xsgl0ru: of 7.0 cm. What is the magnification if the image is viewed )fhu/jruyda zv s0c 66gt6 0r +l6d x(zmao:1lby 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 le4f q jc vma,1ml5:jm *2ydf:.g*xcxjans of focal length 5.0 cm as a magnifying glass. What is the maximum povjaxmj xq5d2: 1*c, gf4*ly :mfcaj.mssible 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 tu b4,w2w(peox7 m8uua magnifying glass. What is the magnificatw ,m7p(wte4uou2 x u8bion 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, 8.0 cm, and 16.0 ko3o)w0lw -kh. p/bbql -w skagp4/t)cm. If you were to use any two of these lenses k0s b l p4/k3- w.whoakqt)- bg/)opwlto 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 cm, 8.0 cm, an6e,z; 174 v7 9bjuptbboowu zyd 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separab1;9o7jyzt6bv ,u7 uo b zep4wtion 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 telescqjz5 :(quxe4 g0( .zx-urqjigy4*j h kope has a focal length of 200 cm and its eyepiece has a focal *ey.guihx5jz (kqju:( -j0rgqqz4 x4 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 astronomical telescope with a magnificatiomc()qez 5-:vzw:dcf2cs.cv t *f ,kvpn of 10. If the telescope has a converging lens of focal length 5v)q(w ccc ,ez:*k.2-t: s pmcv vffd5z0 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 telescope with a 5/np7v1txwae fe8, bxmagnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescopenw 7tbx1ep ex f,/85va?

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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. ldlu6*s iwsy;w)zw1a qsbrb 0*k-x pj/j 5/e 10X telescope. If the telescope is limited to a length of 20 cm, what is the approximate foca)r0j/y w-5/lz*xs6sqalb u*i.d;b ww jspke 1 l 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 lens oa 5-usqic z *w4cve;p+a4d+zif focal length 1.4 mm and an eyepiece of foc ucs wqz+;+da-5iai4e *cp4v zal length 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 lk6*o v,c))t qz:mqrk1b1klw0 u 5x4czuy*ivobjective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyeszxovl cqq4ykkb)5,t cm) :r6uz 1*vlu* wk10 itrain. 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 with a focal length of 3.00g:oa2xs,lof8k 6/ ews prw70x mm and an eyepiece of focal length 6.00 cm. If the two lenses are sep ax8w2l/,g fxp:0rose7w o6skarated 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 and b6mvg/ .orbr8an objective with a focal length of 8.0 mm. Whatrmb/8 bgr.6ov 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 the constellation Orion has an angular separatcmhdm slkv ,7v(0-ka8ion of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the sm(cv lm07kh-da v km8s,allest 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 appmud.n28xhz z*4 a t7zsjj8:re 0.010 mm apart. If the focal length of the objec8 dp2t. x*p4zz7j:amsn u8jzhtive 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 ofu fwjs,ih+njg7;14 jb 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle 7n bu1 ;g4whijjsf, j+of resolution change?

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51#
 
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  The 2.4-m reflecting Hubble Space Telescope has been pllaf( wx-+kh5gg y q t7,ejjcx+s:56ujaced into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength i,axw xeqs7hk (g-f+g +5:tl6y j5jcjus 500 nm?

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