2. Questions Bank
  3. JEE Main & Advanced
  4. Physics
  5. Transmission of Heat

JEE Main & Advanced Physics Transmission of Heat Question Bank Convection

  • question_answer
    For proper ventilation of building, windows must be open near the bottom and top of the walls so as to let pass

    A)            In more air

    B)            In cool air near the bottom and hot air out near the roof

    C)            In hot air near the roof and cool air out near the bottom

    D)            Out hot air near the roof

    Correct Answer: B

    Solution :

               Density of hot air is lesser than the density of cold air so hot air rises up.


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