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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 o/kq6y5 e)ipiwpen and the film is exposed in a camera is dete ekiq6y5/p)w irmined 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 thin-hj7j:h d/+ wqr1jk e film 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 thh2oowoo,ka)lg gw 0f2- ayn /u9c ds.+e 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 fuzzy picture is obtol9,)2cw+u s.ag2gohy n wo d/f k0ao-ained, 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 ,t*+n2ws ckha film with a field of view that corresponds approximately to that of nc*h,s t 2wka+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 cecns*qd.5e* *rwmr*a4m qc9magnify 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 t:0xsb0 i9xn(q o5bl2on d zf-qhat of the eye and through which objec ilso nqb-0x0 dq zf9bo2x:5(nts 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 different from the humad;pm si. rpv2g(dve .3n eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refracti; vso+8; q1ywsehh n3gon 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 canvrluio j1rf x 2wx-*27 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 distancep + x c6+hlux2ntx:0na27edzk at which an 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 is likely to se u6(l tn-b4gtufft 4l-g6tuen( ber from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usu0aw8ofekw d- 2r4 bh0sally 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 ba 1 8 3v-c*es,jqdxawhxck, this gives rise to a visions-*j,ca3w v81 qxehxd defect 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 7yh, nz+oet1q person is likely to suffhetqo+1 7yn,zer 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 corre+a bi jj. 8wl(znmg65ncted 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 ri5fu7qjtm vm :l*5eu sp)cr4/u se to a vision defect jt455*/ m7s ru)uvf clu:pemq 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 magnifydg.kn2dx 0ydjl 5r8v ;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 ver 9ht,p t5fje) :rkajf;y large diameter objective in an astronomical teles)p,9j 5t je;khfat r:fcope 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 foch 1vzj-y9we wk4 6vg5rmed by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the 19k j46vh-gwv5 yz wceobjective 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 sensitivityga85 7hs74a7de drbg lh9qtjdk64t7b 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 telescope 5htg7r 7bj7 847d4 sabghtqad6edlk9used.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescopep0ues w1h -n5imr 3t4u has 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 m0p;eet*v. of n6n l3othe greatest detail whe3f . tvmpenn;ool60*e n using 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 suffeb 26p08vn rhf 5tau7kbr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf yu3/ej+;o bzemdf;7y )(p8zg 4f kmznfer 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 t7ou 6kgq wu(-dq,./iohmb 1 qco 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 0y .e/9dh2kkhxu( nrtuw9lau1 r5 tp)radar dish is doubled, what happens to its resolving power assuming thaph)r 9l5 una.uue09 rt/hdk t(yw12xkt all other factors remain unchanged? 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 point of 18 cm. What lens (in diopters)y(,y+q x08lsq 2po:xjyh.ks g will allow this person to s.x x,jy ( yglqh8oy:+s kqp20see 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 0y; mrbe ,2;oqcte,z cclearly objects more than 70.0 cm away. What power of lens shoulcoeq zbm0ety ,c,; 2r;d be prescribed if the 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 weyxv qad4a,ft* rxf/zxr n))n-c 58ke8ars glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to tf-* vqf4) xy/zkda8nct8a e) xxn5, rrhe 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 farsig+ rbbaduy;1e*v oq3mbt lu6- xd;8u9a9)jol khtedness where the uncorrected near point is ;kj -vm * b;3otauou)d9b6l98rlyxuqe+ba1 d75 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 personsg303hx.z ms09 e(cndtd z,nb is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is requirez n3b dc9t.(smx3, z0 gshen0dd?

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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 eyeki/8ww 2z)(/wmxzr: nvpd-rdc l* ai*s, if he wears gzw *ikl *rzv/xd/2rpi w-c(8n:da m)wlasses 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 hops o w *ow1d;s237qifas a near point of 25 cm. What is the magnification of the lens for that person when 13oodqw*7fwsios p;2their 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. ,7amr5g79rvl lfqcx, A person has a near point of 25 cm. What is the magnification of mcf5rl 9,gxq 7,7lrvathe 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 lvu- 1h/cp9f3a nijhc -/wqv/magnification if the ihpwhvqa n -/u/vc1i-c/9lfj 3mage is viewed 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 focox iv-*krd vv7,nk*bb; ju(b4 /l scz9al length 5.0 cm as a magnifying glass. What is the maximum possible i,k rbvk( s9lb-*4/vxv doujbn*cz;7magnification?

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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-d; e9u mstf(y6w-gip length 5.0 cm as a magnifying glass. What is the magnification if the personwims6; y e9fp(g-t d-u'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 cmn1ph kf:jvo2cm/ e*utysw+80. If you were to use any two of these lenses to build a telescope, what is the maximum magnifica+*8htwc1v:kmfnp0 oj / usy2e tion 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 len ;hm,zrruz6m; v(sry9 ses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to u;mh9z(ryzu6 s m,rrv; se 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 teles7rgkquv6r ,o6cope has a focal length of 200 cm and its eyepiece has a focal lengthokv 6ug, 6rq7r 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 tev ) mvm0eoyx;1lescope with a magnification of 10. If the telescope has a converging lens 1 0o )xvmmev;yof focal length 50 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 magnifica 5, 2gxks5bpsation of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulga 5sb k25,pxsting 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. Ifo )sn xwph(2q1 the telescope is limited to a length of 20 cm, what is the approximate 2)onw hxspq1( 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 focal sa6hy +zcm4vu :*3eyvlength 1.4 mm and an eyepiece of focal lengyevhu:4 ms* z3y6vca+ th 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 objec.q 2xqz3f,r5rhxec3h 5s 2 gxetive lens of focal length 1.4 mm and an eyepiece of focal le3e5 x,ef5qr3r .gxqxs 2zhc2hngth 20 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 with a focal length of 3.00 mm andj9b:zoj -x7m tlu)rlhgbfcyzm.g1a*( 5- xe5 an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 fx t:abjce5()-m7g-lz1o*.mj9 zh bug xrl5ycm, 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 an object2altho 3 i-*fkive with a focal length of 8.0 mm. What ifl * -3hikot2as 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 sepn:lr;g+(/mpdqaq-hp aration of 10-5 rad. If the wavelength of the light from the systelqgq d;+p/h pmnra(:- m 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 resolve objects which are 0.010 / bjv 4zm(cn+smm apart. If the foc(+4/cvmbsnj zal 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 of 3.5 mm tod-ldl 6141,, y purk6zipn mow 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution change ,ri6dnop yz 6wul1m1k,p4l-d?

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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 by /q 6ixe3- syykthe space shuttle. What angular resolution could this telescope ac/yk q3i6xe y-shieve if the wavelength is 500 nm?

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