Question

3. Give various examples where useful form of energy is converted into useless form.​

Answer 1

Answer:

1. When two moving substances collide, there is some heat and noise produced which is obviously part of kinetic energy the substances had. These heat and noise production is useless form of energy.

2. Heat flows from higher degrees to lower dwgrees. This is an irreversible process. So the work done in this case is useless form of energy.

Answer 2

Explanation:

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