ICSE-VIII-Physics

06: Heat Energy Class 8 Physics

with Solutions - page 3
  • #6
    No heat is supplied to a liquid during evaporation. How does then the liquid change into its vapours ?
    Ans : Though no heat is supplied to the liquid but molecules near the surface of the liquid acquire sufficient kinetic energy by collisions with other liquid molecules and with this K.E. they over come the attractive forces of other molecules and change into vapours.