Multiple choice

Consider the following statements:

  1. Conduction of heat can take place in vacuum.
  2. In a room, ventilators are provided at the ceiling for hot air to escape by conduction.

Which of the given statements is/are correct?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Statement 1 is incorrect. Conduction of heat does not take place in vacuum. Conduction only takes place in solids. Statement 2 is also incorrect. In a room, ventilators are provided at the ceiling for hot air to escape by convection. Convection takes place in liquids and gases.       

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