Explain with an example that air …
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Posted by Akash Hazarika 5 years, 2 months ago
- 2 answers
Meghna Thapar 5 years, 2 months ago
- The air molecules expands on heating and contracts on cooling. The hot air molecules occupy more space than cold air molecules.
- The hot air molecules are more heavier than the cold air molecules.
- The warm air rises up and the cold air remains settled at the bottom.
- The warm air rises and it develops low pressure in the area, and the surrounding cooler air is relatively at the higher pressure.
- For example, two test tubes are taken and the open end is covered with the balloon. The test tubes are immersed in the hot and cold water respectively.
- The air inside the hot air balloon will expand and the balloon will swell and the balloon get sucked inside the balloon when exposed to the cold air.
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Komal Poonia 5 years, 2 months ago
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