1.

thermal properties of matter

Answer»

According to the Newton's law of cooling "the rate of loss of heat energy is directly proportional to the temperature difference between the system (body) and surrounding."

Newton’s law  dT/dt = k(Tt – Ts)

Where,

  • Tt = temperature of the body at time t and
  • Ts = temperature of the surrounding
  • k = Positive constant that depends on the area and nature of the surface of the body under consideration.


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