Question

# The first law of thermodynamics is based on the law of conservation of :

A
energy
B
mass
C
momentum
D
pressure

Solution

## The correct option is A energyAccording to first law $$\Delta Q= \Delta U + \Delta W$$that is, heat supplied to a system is equal to the amount of work done by the system plus the increase in it's internal energy.So, it's basically the same as the law of conservation of energy.Physics

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