2. Questions Bank
  3. 7th Class
  4. Science
  5. Heat

7th Class Science Heat Question Bank Heat

  • question_answer
    Rooms are fitted with ventilators to let the air move around. The phenomenon involved is:

    A) conduction                  

    B) convection

    C) radiation        

    D) condensation

    Correct Answer: B

    Solution :

        convection


You need to login to perform this action.
You will be redirected in 3 sec spinner