Question

When in thermal contact, the amount of heat lost by the hotter body is_________ the amount of heat gained by the colder body. (neglect loss of heat due to convection & radiation)

• A. equal to
• B. greater than
• C. less than
• D. cannot say

Answer 1

Answer: (A)

equal to

The principle of calorimetry states that when two bodies come in contact, heat flows from the body at higher temperature to the body at lower temperature until their temperatures become equal, to achieve thermal equilibrium. In this process heat lost by hotter body is equal by heat gained by colder body.