Multiple choice

Which layer is known for increase in temperature with increase in altitude?

  1. Troposphere

  2. Mesosphere

  3. Thermosphere

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In the thermosphere, temperature increases dramatically with altitude because the extremely thin air absorbs intense solar and cosmic radiation. Despite high kinetic temperatures, the low density means it would feel extremely cold to a human due to minimal heat transfer.