Buxoro tuman 4-umumiy o’rta ta’lim maktabi 9- a sinf o’quvchisi

Sana ______________________

Nazorat shakli: Yozma ish

Nazorat ishi -3

1-qator

1. Suyuqliklaming xossalari haqida ma'lumot yozing.

2. Diametri 1 mm bo'lgan kapilar naycha spirtga tushirilganda unda spirt

11 mmga ko'tarildi. Spirtning sirt taranglik koeffitsiyentini aniqlang. Spirt zichligi

790 kg/m³.

3. Yer sirtida kapilar naycha suvga tushirilganda suv naychada 24 mm gako'tarildi. Bu tajriba Oyda o'tkazilsa suv naychada qancha balandlikka ko'tariladi? Oyda erkin tushish tezlanishi yerdagiga nisbatan 6 marta kam.

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2-qator

1.Krisstall va amorf jismlar haqida malumot bering?

2.Radiusi 0,05 sm bo’lgan shisha naycha suvga tushurilsa naychada suv qancha balandlikka ko’tariladi?

3. Yer sirtida kapilar naycha suvga tushirilganda suv naychada 12 mm gako'tarildi. Bu tajriba Oyda o'tkazilsa suv naychada qancha balandlikka ko'tariladi? Oyda erkin tushish tezlanishi yerdagiga nisbatan 6 marta kam.

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