Multiple choice

The rate of fall of pressure ____ in warm air than in cold air.

  1. increases

  2. decreases

  3. is same

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pressure falls more rapidly with altitude in cold, dense air than in warm, less dense air. This is because cold air is denser and has a shorter scale height - the pressure decreases more quickly per unit of altitude gain compared to warm air.

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