Ncert Exercises & Solutions

Heat is associated with:

1. kinetic energy of random motion of molecules

2. kinetic energy of orderly motion of molecules

3. total kinetic energy of random and orderly motion of molecules

4. kinetic energy of random motion in some cases and kinetic energy of orderly motion in other

(1) Hint: Transfer of heat from a place to another is termed as heat.

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

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