Question

When heat in given to a gas in an isobaric process, then

• A. The work is done by the gas
• B. Internal energy of the gas increases
• C. Both (a) and (b)
• D. None from (a) and (b)

Answer 1

The correct option is C

Both (a) and (b)

When heat is supplied at constant pressure, a part of it goes in the expansion of gas and remaining part is used to increase the temperature of the gas which in turn increases the internal energy.