广东省初中毕业生学业考试 物理精华试卷.pdf

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1、1.6802.2B3.2B4.5.1.PM2.52.5m.()A.PM2.5B.PM2.5C.PM2.5D.PM2.52.()A.B.C.D.3.10cm16cm.()ABCD4.()A.B.C.D.5..()ABCD6.()ABCD7.P()A.VA12AB.AAV21C.AA12VD.AA218.()ABP6V.SPABIU().(AB)()A.A1AB.3WC.AB6D.6V9.(5)._________..10.LEDLED..11.6st._______()________()________.12.____________;________________

2、__().13..7______________________________.14.POS8.._________________________.78915.9LRS0.5A_____W1VSS1______A__________W.16.7.PPP'P'ABABFABFPPABP'PABA'FFB.(><=)17.5.4N.10cm2.4N________J_______%.________().()18.6V3WL12V3WL12I12I=________P1P2_______________V.19.(1)(1)SSS(2)(2)ABF200NB500N(

3、)..(3)(3)(1)(2)(3)(4)(4)BABB'B.(5)(5)..(6)(6)..BA(4)(5)(6)20.(1).(a)________cm.(b)________N_______________.()(2)FF14F.FF.F________()f.f_____F.FF______N.21.(7)(1).(1)MABONO.(2)().(3).(4)ONBB.(5)..(6)()..__________________...22.(7)(2.5V).(1)..(2)..A.B.C(3)VAW.(4)0.3AR(R)00..()(5)R=25SI=A1

4、SS12SIP=().2323.4610N233200cm(=1.010kg/mg10N/kg)(1)(2)(3)10m/s0.1.5min24.18PZ220401210(1)(2)(3).()25....(1)______A______________________________.(2)________________J.(3)20800ml1003________J.(C=4.210J/(kg.)=133310kg/m=1g/cm)(4)2000r/kWh3min50_____W__________()26.(lcm)ABC()(1)__________(2

5、)_____()(3)VAC=_______ms.(4)AACvAC_______()(5)19.ts11t2sV=V2.12.___________._______________________..27.()3200impKWh1Kwh3200.(1)_______A(2)3205min________W.(3).________________.(4)570.6________kw.h(5)30W490W120W650W?___________.28.(6)0.1N25cm6cm.(1)ANBCDEF()(2)BF=N.(3)ABCDA.3(4)kg/m()BP

6、aBCD().(5)B()()Pa.(0.1N0.1cm)29.(B)(T)...(1)S1R1(1).(2)SSR121R2R=.BRRB0.R=1500B=T.(3)B0.41.0T.(4)..___________________________.