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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 tim27tiq 3i4 6czayk f0he film is exposed in a camera is deter 0z2imqtcyi73i6afk 4mined 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 caqtih bvi; i3i8) jmu5+(ex;kps/fm*kmera 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 the lens-film dwp)(oju+4y p3 xqst:dmh*p4iw(1 pteistance may be varied by sliding the lens forward or bacdw +pq 1oe*)pjw(utm4t: hp3yi 4s(x pkward 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 filmoe4.gwbuvo v 5d+8yen*;.lzd with a field of view that corresponds approximately to tha* goee. ol+vdd4.yu n;58 wzbvt 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 telescopeekv95;s8h3gv lu,yn4i- xuuy to magnify 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 tha7m* 5x.lmju agt of the eye and through whiclxa jgu7 .mm5*h objects appear 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 di+pwax: 6/ un9euz1k xk 3o*vryfferent 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 j f2gogkbd3hk3u r- 9h9/pvd( of light by 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 see objects clevqbc pe9lor( jb37nq5+gzq, 4 arly 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 ck1,ajm/yc h 6qz t,wl:ze -x91m.obbwan 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, tkh34u86n.btot/yl om he person is likely to suff8o4/36kunty.lm tb ho er from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallyi:fx:* tp b3od 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 front to back, this gives)z4f ym*e-n1y d 9trrul*trmx yy :4,m rise to a vision dm f 4l y: dtr*ym-my)*yn1r9x,er4tz uefect 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 frak7 k6nxrqz)*in ox; 7zi; s;xom front to back, the person is likely to susxnqkzo xkiiza 7 n;rx*;6;7) ffer 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 cor ob6zu(hfro ),rected 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 to a visio; .vx4n ys(elln defect that can be c. sl vx4(;enylorrected 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*q02dqs d*zghkoo *- pffq2 u3 a magnifying 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 gtilc7bl/e i (hf jvd6*2u.;e astronomical telji;feh*l/6 2( b v7.eigul tcdescope 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 refraa iywg,/6 r1kylrb2l0 cting telescope. Suppose an opaque screen is plackr,l w1/2yl i0rag6ybed in front of 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 uniform sens brz al3*k3h*iitivity 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 isz *l kh3b3rai* 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 has a magnification uj t7u2mo9b ,k$m$. 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 whe+t,- e cr,ugdpn using a micrp e,u+g dtc,-roscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fro b ,5eof+grjn;m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro wzy0;w-cuv ) 3ub8lydm

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power o3vbp9 wu,v1 xxo/n jes*i 5k;gf a microscope 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 r4,w s;pt esg /pix5rx;1*y gviv+k irnt.c6-iesolving power assuming that all other factors remain unchanged? Itsxyx w.vrscnpg ki;14*;isg 6 /pii,r5t+tv-e 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 di *gn5ul 1jj(j 2:qgyhyopters) will allow *gy2ygj1hu5:nq( l jjthis person 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 clearkxp8 jl 4c)grbsj77 a,ly objects more than 70.0 cm away. What power of lens should be prescribed if t j x7k)7 lrcabs4,j8pghe glass 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 ha5vxnz x32xc k0ve power of -0.15 D. What is the person's far point if the glasses 3xvzkn x052cx 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 farsidbisu2v; vh; 9ghtedness where the uncorrected nea i2vhb 9s;dvu;r 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 persz4me8n ta) 0p5mv v.ggon is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably reaam5t)0. vn4m vg8g ezpd 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 hegw1,8czeei1bt sd 2e7 ld 25 cm from his eyes, if he wears glasses b eieg,tes8dc z172w1 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/4u/npruy0hs 4 ij (rq alk3.b length of 10 cm. A person has a near point of 25 cm. What is the magnifk ublqu3ny4rhj. 0( rp/as4i/ication 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 poinx rzw/fk:)(f ht of 25 cm. What is the magnificatfwfh( x)/z k:rion 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 magnificc :h x(lt5ko1eation if the image is viewed by a relaxed ey(t:elk5 xoc1he?

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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 focal length 5.0 cm as a magnifying glbrk,. yh,fpl *ass. What is the maximum poh* ryk bp,lf.,ssible 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 magnifo6zy8f w cn4z+54mkwvying glass. What i4vnw8zcm f6k+4 5zyo ws the magnification 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 cm.l*4d ( me/fi 66rjladq+izqb:f5.fcj If you were to use any two of these lenses to build a telescope, what is the maximum magnification youjd*+ 4q 6 jcb/edlf 6 m.qflia(if5r:z 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 c:u-3;s(lg2 1kvncmjelm)l pr m, 8.0 cm, and 16 cm. If you were to use any two of these lenses tl n kmrlc2mgj-1)p3s;: e(vluo 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 its eye)co v6yhs 17ympiece has a focal lengcm 6ys y)ov17hth 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 te dx-aho yz:a3(lescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiece?3o:hayza(x d-

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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 10. Iftg dssgx/yky ij+o;+0uua4/- the telescope has a converging lens of focal length 50 cm, what is ou+s/ /s+u kadyg ; jity4g-0xthe 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 telescope is limitnv yh/l),q0 wod *)rpd*mu2br ed to a length of o/pyldq*uwm0) vd2,n hr *br) 20 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 lens of,ttsohm; b q;8 dvv7k/ 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 farotm,qds/7b8v t kh ;;v 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 lenhz * bd,it,i8 bo+xwv9gth 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 z8bti 9do hv ,*xi+bw,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 3.00 j 0r5 qi+dcwa5fm9d7v y4p i8vmm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, a 57wi+ifq4mycd0dvjrv98p5what 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 an objevvlhvkag0)q - 4:5ssj 7aim4octive with a focal length of 8.0 mm. What is the focal length of the ey:4gj5q0vis47 hklam o )vvs- aepiece 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(wjfyl8sv6w, lr* 5r u3sq (eo the 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(o,efsrv 8suw 5*ly3lqr 6w(j ) 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 are 0.010 mmqsi6r0z( mj7g apart. If the focal0 s(gri6 qmjz7 length of the objective 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 o ::wd*m/p9o5gv leustx1qhl*5y3sxs f 3.5 mm to 1.5 mm as the illumination is increased. By what*xmdq /lwuxh: 1l5 st9yp5sg:vso e*3 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 p pr a:93++4 uc+*rqemu texgiylaced into Earth orbit by the ciur te+pag3:em 9+ yq+ x4*ruspace shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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