fizika 7-sinf pisa test

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fizikafanidan 7-sinflar uchun test savollari. i variant 1.vaqto‘tishibilanjismningfazodagivaziyatiningboshqajismlarganisbatano‘zgarishijismning…. deb ataladi. a) ko‘chish b) mexanikharakat c)yo‘l d)traektoriya 2.sportchistadiondagiuzunligi 400m bo‘lganyugurishyo‘lakchsini 2marta aylanibchiqib,startberilganjoygaqaytibkeldi.buharakatdasporchiningbosibqtganyo‘li l vauningko‘chishi s nimagateng. a) l=s=0 b) l=s=800m c) l=800m,s=0d)l=800m,s=400m 3.918km/soatnecha m/s bo‘ladi a)260 b)255 c)250 d)240 4.suzuvchioqimgaqarshisuzyapti.oqimtezligi 1m/s.suzuvchiningsuvganisbatantezligi 3m/s.qirg’oqqanisbatansuzuvchiningtezligiqanday. a)4m/s b)2m/s c)3m/sd)1.5m/s 5. agar elektropoyezdyo‘lninguchdanbirqismini 5m/s tezlikbilan, qolganqisminiesa 72km/soattezlikbilanbosibq’tganbo‘lsa, uningo‘rtachatezligini toping (m/s). a) 12.5 b) 18 c) 10 d) 45 6. quyidagitenglamalarningqaysilaritekisharakatgata’luqli? 1)s=2t; 2)s=at2; 3)s=3t+2;4)v=5. a)1,2 b)1,3,4 c)2,3,4 d)4 7.avtomobilo‘zharakatiningikkinchisekundida 9m masofanibosibo‘tganbo‘lsa,uningtezlanishini toping (m/s2).avtomobilningboshlang’ichtezliginolgateng. a) 10 b)7 c)8 d)6 8.o‘qningmiltiqstvolio‘rtasidagitezligiuchibchiqisgdagitezligidannechamartakichik? a)4 b)2 c)2 d) 9.tinchholatidanboshlabtekistezlanuvchanharakatqilayotganmoddiynuqtayo‘lningbirinchi 1/9 qismini 1s da bosibo‘tdi.uyolningqolganqisminiqanchavaqtdabosibo‘tadi? a)1s b)2s c)3s d)4s 10.yuk 54m balandlikdanerkintushnoqda.shubalandliknishundayuchqismgabo‘lishkerakki,bundaharbirqismnio‘tishuchunbirxilvaqtkearkbo‘lsin. a)18m,18m,18m b)6m,20m,28m c)6m,18m,30m d)8m,20m,26m 11.jismyuqorigavertikal 15m/s boshlang’ichtezlikbilanotildi.qandaybalandlikdajismningtezligi 3marta kamayadi? a)15m b)5m c)7m d)10m 12.tezliko‘lchovchiasbobshkalasininguzunligi 20sm gateng.utezligini 0 dan 180km/soatoraliqdao‘lchaydi.agaravtomobil 2.5m/s2tezlanishbilanharakatlanayotganbo‘lsa, asbobko‘rsatkichininingtezligini toping (m/s) . a)0.01 b)0.02 c)0.05 d)1 13.minutiga 1200marta aylanayotganvintilya

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fizikafanidan 7-sinflar uchun test savollari. i variant 1.vaqto‘tishibilanjismningfazodagivaziyatiningboshqajismlarganisbatano‘zgarishijismning…. deb ataladi. a) ko‘chish b) mexanikharakat c)yo‘l d)traektoriya 2.sportchistadiondagiuzunligi 400m bo‘lganyugurishyo‘lakchsini 2marta aylanibchiqib,startberilganjoygaqaytibkeldi.buharakatdasporchiningbosibqtganyo‘li l vauningko‘chishi s nimagateng. a) l=s=0 b) l=s=800m c) l=800m,s=0d)l=800m,s=400m 3.918km/soatnecha m/s bo‘ladi a)260 b)255 c)250 d)240 4.suzuvchioqimgaqarshisuzyapti.oqimtezligi 1m/s.suzuvchiningsuvganisbatantezligi 3m/s.qirg’oqqanisbatansuzuvchiningtezligiqanday. a)4m/s b)2m/s c)3m/sd)1.5m/s 5. agar elektropoyezdyo‘lninguchdanbirqismini 5m/s tezlikbilan, qolganqisminiesa 72km/soattezlikbilanbosibq’tganbo‘lsa, uningo‘rtachatezligini...

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