Flow of heat – Hot questions

  1. In water, heat travels up much faster than it travels down. Explain.
  2. In places with hot climate, it is advised that the outer walls of houses be painted white. Explain why.
  3. TWO objects at the same temperature—one bigger than the other—are placed in contact. Will heat be transferred from one object to another? Explain.
  4. In a room it is best to place a room heater on the floor but an air conditioner near the ceiling. Why?
  5. Why are cloudy nights warmer than clear nights?
  6. How do the feathers of a bird protect it from the cold?

Passion JEE

"Stronger the roots, Brighter the future"