Published by:
CGP EDU Academic Team
Published on: September 12, 2026
In a closed insulated container, a liquid is stirred with a paddle to increase the temperature, which of the following is true?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Internal energy depend upon temperature and according to first law of thermodynamics total energy of an isolated system remains same, i.e., in a system of constant mass, energy can neither be created nor destroyed by any physical or chemical change but can be transformed from one form to another.
For closed insulated container, 
, so, 
, as work is done by the system.
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