Home Physics Thermometry, Thermal Expansion and Calorimetry NCERT Examplar Heat is associated with:
Physics Thermometry, Thermal Expansion and Calorimetry NCERT Examplar MCQ (Single Correct)

Heat is associated with:

A
Kinetic energy of random motion of molecules
B
Kinetic energy of orderly motion of molecules
C
Total kinetic energy of random and orderly motion of molecules
D
Kinetic energy of random motion in some cases and kinetic energy of orderly motion in other

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The correct answer is:
A

We know that as temperature increases, vibration of molecules about their mean position increases. Hence, kinetic energy associated with random motion of molecules increases.

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