AIIMS2009Physics-Thermodynamics
AIIMS 2009 Physics Phase Transitions Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 11
Assertion : Liquid molecules have greater potential energy at the melting point. Reason : Intermolecular spacing between molecules increases at melting point.
A
If both assertion and reason are true and reason is the correct explanation of assertion
B
If both assertion and reason are true but reason is not the correct explanation of assertion
C
If assertion is true but reason is false
D
If both assertion and reason are false
Correct Answer
Option C
Detailed Explanation
When a solid changes into a liquid, the work done against the attraction of molecules is stored in the form of potential energy.
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