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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 ,op s i.wv fc896*i+ .invfrnathe film is exposed in a camera is determined by thepvfi+,8i n coriwf.6nv. 9sa*

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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 fi 2 ozb qkro5;g,gx5y.olm 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 the lens-film distance may benh c74 rmv1m3rgadpio1,s 9l. varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this mean mrc347vpair dhg sn91ol, 1m.s 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 film wit; r,,2 hsiqaxgh4d h )s5v *ox6odr5awh a field of view that corresponds approximately to that of norag dod;,, wos*5v5rr)h 4xah ih26xq smal 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 referzga / sle9n1my1-;y sored 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 tivk x jif9c m5vbv()x7t (rt30han that of the eye and through which objects appexfc)i i09vjvx7k((rb ttvm5 3ar 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 from4g. 20*i ,rwfyj kiieh rix9h0 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 the eyexqjn+ xmm n h( lh o8jd8 b8r4:.qrf2y2e(kv,g 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 objectsedu c z6o(w0.c 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 object a:ca+e gw:bjs6 *h)uus 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 (8pm8 v0 jzqgvsufmq0j8pgvv( 8z fer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuaugerh l m .7(9gfv2zj6lly 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, this0niiu2 /mfx2j + tgbvmg39w2i gives rise to a vision defect tham g2xit+b jg23v9nw0i umi/2ft 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 qv k0imq *kl*ha7z4 (3lmrc5oto back, the person is likely to suffer frovz (*ih4r l0l7okqk35 *cqmamm

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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 correcte342i prmtajbj8 g2ou 5d 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 gi-kga.fk; ht l:ves rise to a vision defect thkg; tkf.- :lahat 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 htyp , 6udp13nhpae;eq 6i0*wg25 owwa 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(yyle*jplu4 ktr ; 0*t in an astronomical telescope 4y0 r*jt y u;ltp(kel*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 telescope.tls r nazd7ly8pi/i7axgl3 .,v5:u* h Suppose an opaque screen is placed in front of the lower half of the objective lens. What effecti vhp l,u :nx 3y8l7i/gt*as5l. ad7zr 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 sensitivity throughout the visible splds9 xxa4v8vbe4*k*b.y d6tqtqk o +6ectrum, in whivsb l etk8xa* .y9qoq* t 6+4b46dkvxdch 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 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 magnificati5ndz.f .0ge 0p2ng akson $m$. 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 expeli(udxgh f1( /an nz)7ct to be able to see the greatest detail when) a7(nhlxif1n(u gz/d 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 suffer froih q31x7afe c 06g zf8e1tdsh325 tfdxm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors su:8dz*nff7ni-i okw/ x ffer 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 t* ;gj9vg/ii 6u3sllcy he 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 poju: 6vy*y-qb iwer assuming that all other factors remain u j6u vb:yy*-qinchanged? 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. www 0-z :i /ng5k*gjh.mkh7yuWhat lens (in diopters) will allow this person to see distant objects0mujz5-ki.y/7 *wngg hw :whk 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. Wha/p j;a u:jn9acp(twacc 4)z9 ut power of lens should be prescr 4wuc9 ()ja/9;pc atz jcapun:ibed 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 wears glasses wh.a on.oe54;vgt nxa/wose lenses have power of -0.15 D. What is the person's far point inx;aan/o.w v t.45eg of the 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 farsightedness where the un -xkgf1-6nmjgcorrected near point is kn-f-xjg16 gm75 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. Sheo.ag 6zf dw1s. places reading glasses close to her eyes, and wi ozdg .was1f6.th them 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 hekmhih1 30 -e3 .tu ..vczzt 37pywp4xwyc,jjf wears glasses y3 3-xwphh zptwek,..7tj u.jz340v1y icmfcof
+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 hcbb ;1/c/d,b+b y jnhwas a near point of 25 cm. What is the mag/+;bdby ch1w/,jbbcn nification 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 lengvy2+v;e2vq8( d)bkmxj i, kbol3 mql9 th of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes aqb)v, y mid+xq9kbj83;o v2kl( vme2lre 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 oo2nwgynja,34lb8 s )cm7j 9 lis the magnification if the image is viewed by a relaxed eye8 jw3,4jcloyg2a bos7 9lnm)n?

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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 focalnkqvw :) *kh;wx2c/c l length 5.0 cm as a magnifying glass. What is the maximum possible magnifiv cwkhlck: x)/;qw n2*cation?

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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 ek))tc8rq 2 hx+ mgp,yof focal length 5.0 cm as a magnifying glass. What is the magnpyg8m,2r k ))qceh+x tification 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 tm1u4a p** cer16.0 cm. If ytpm4 * c1*aeruou were to use any two of these lenses to 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 5ukaz(rwn3j9 ,cowzx e +,fo8.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation r+e,u 3a(5ozcw9jx f n8w,ozkfor 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 0a xbr-y+ m4wy0truy* length of 200 cm and its eyepiece has a focal lengrwt 0 u0yyx* r-yb+ma4th 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 magnification of 10. If t7 /.n8 qtvy1qtkurrymmd4i(r8 it63t he telescope has a converging lens of foc 3rkrityt v n18i/ q8t(.mdu4qt6y7rm al 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 2;wvc 0y5o 88qqvjm rsi+4uln magnification of 10. If the telescope has a convergc5luso8n40qqij2 w;ym 8 vr+ving lens of focal length 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 10X tim2(,)od( cky g :j p;heaj;bgelescope. If the telescope is limited to a length of 20 cm, what is the approximajo,)kh y(d2;jgb c m;paeg( :ite 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 ob;ez qum /imox3 xd61t;jective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjuszi1o eq;3 xm;/x 6utmdted 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 objective lens of focal length 1. 3dktf *v6xli24 mm and an eyepiece of focal lengt f*xvd3k ilt62h 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 j,g0,10n(a5p/t shlnvrisdc h4 v vb 0xfv)s6a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two levg4la bh ixh/f,d)ns1 ,nvpj 6 vsc5tr0s0v( 0nses are separated 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 an g7vvrt.x/k6 b objective with a focal length of 8.0 mm. What is the focal length of x ktb7/gvr .6vthe 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 )7* d d x4-g+qmffcie+row3d min the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm,m3f dc rgd7owx q*+i4e+dfm-) 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 n7u3,t 2kyo1nijy3k eis designed to resolve objects which are 0.010 mm apart. If the focal length ofo73u1e3n2 ki k,ynj yt 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 to 1.5 mm ,3qe a3jl 6;c nwuyz30vyx y5gas the illumination is increased. By what factor does the minimum angq6x,l5 e3jay3u30gy; n wvc zyle 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 haa8h.u ao f;6mcs been placed into Earth orbit by the space shuttle. What anguh8;a o .cm6uaflar resolution could this telescope achieve if the wavelength is 500 nm?

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