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JAMB Physics 1991 Question 22

Question 22

Heat Transfer

A room is heated by means of a charcoal fire. An occupant of the room standing away from the fire is warmed mainly by

  1. A.convection
  2. B.radiation
  3. C.conduction
  4. D.reflection
Show the answer and explanation

Answer: B (radiation)

Explanation

Heat reaches someone standing to the side of a fire mainly as radiation; convection currents carry warm air upwards.