Multiple choice

A piece of ice placed in a room

  1. does not radiate

  2. radiates less but absorbs more

  3. radiates more than it receives

  4. none of these

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

According to Prevost's theory of heat exchange, all bodies above absolute zero radiate energy. Since the ice is colder than the room, it emits less radiation than it absorbs from the warmer surroundings.