9-sinf fizika nazorat 2017
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@pedagoglarga kanaliga obuna bo’ling! 9-sinf nazorat ishi №1 nazorat shakli: yozma ish o‘tkazish. 1-qator 1.suv molekulasining massasini aniqlang. m=18·10-3 kg/mol 2.bosimi 1010 pa, konsentrasiyasi 31020 m-3 bo‘lgan gaz molekulasining o‘rtacha kinetik energiyasi nimaga teng? 3.diametri1 mm bo‘lgan kapilyar naycha spirtga tushirilganda unda spirt 11 mm ga ko‘tarildi. spirtning sirt taranglik koeffitsientini aniqlang. spirt zichligi 790 kg/m3. 2-qator 1.kislorod molekulasining massasi nimaga teng? m = 32 10-3 kg/mol. 2.molekulasining o‘rtacha kinetik energiyasi 6,210-21j bo‘lgan gaz temperaturasini aniqlang. 3. radiusi 0,5 mm bo`lgan kapilar trubada suyuqlik 11 mm balandikka ko‘tarildi.agar suyuqlikning sirt taranglik koeffitsienti 22 mn/m ga teng bo‘lsa, uning zichligini aniqlang. nazorat i...
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