2010 · Q62
At high altitudes, pressure cooker is preferable for cooking, because the boiling point of water
General KnowledgePhysics
- Areduces due to higher atmospheric pressure
- Breduces due to lower atmospheric pressure
- Cincreases due to reduced gravitational force
- Dreduces due to increased ozone content in the atmosphere
Explanation
At altitude atmospheric pressure is lower, so water's boiling point falls; a pressure cooker raises it again.