If mass-energy equivalence is taken into account, when water is cooled to form ice, the mass of water should
(a) Increase
(b) Remain unchanged
(c) Decrease
(d) First increase then decrease
**Correct Option(a) Increase**
Explanation:
According to the mass-energy equivalence, mass and energy remain conserved. So, when water is cooled to form ice, water loses its energy, so change in energy increases the mass of water.
