JAMB Physics 2004 Question 36

Question 36

Heat Transfer

Tea pots are often silver-coated to prevent heat loss by

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

Answer: B (radiation only.)

Explanation

A shiny silver surface is a poor emitter of radiation, so it cuts heat loss by radiation.