Question

A glass of boiling hot water cools down to room temperature. This process of cooling is known as:

विकल्प

• waste of energy

• dissipation of energy

• losing of energy

• destruction of energy

Answer 1

Dissipation of energy

Explanation:

As the water cools, its heat energy spreads into the surroundings and becomes less useful for doing work. This is called dissipation of energy. Energy is transformed, not destroyed.