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

Buxoro tuman 4-umumiy o’rta ta’lim maktabi

9- A sinf o’quvchisi

_________________________ning

fizika fanidan nazorat ishi daftari

Buxoro-2018

Sana____ ____________________

Nazorat shakli- yozma ish

Nazorat ishi-1

1-variant

1. 
   Molekular-kinetik nazariya asoslarini tushuntirib bering.
   
2. 
   Ballondagi gazning yarmi chiqib ketganda uning temperaturasi 20°C dan 5° С gacha pasaydi. Gaz bosimi qanday o'zgargan?
   
3. 
   Agar idishdagi kislorod gazining zichligi 0,32 kg/m³ ga teng bo'lsa, molekulalar konsentratsiyasi qanday (nr³). N_A =6-10²³ mol"'
   

2-variant

1.Issiq va sovuq suv zarralari bir-biridan nimasi bilan farq qiladi?

2.Hajmi 10 l bo’lgan idishdagi vadarod gazining bosimi 10 atm,atmosferasi 20°C

Undagi vadarodning massasi nimaga teng.

3. Hajmi 8 l bo’lgan idishda2,4*10²⁴ molekula solingan bo’lsa molekulalar konsentratsiyasi qanday?
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