n moles of an ideal monoatomic gas undergoes an isothermal expansion at temperature T, during which its volume becomes 4 times. The work done on the gas and change in internal energy of the gas respectively are

n moles of an ideal monoatomic gas undergoes an isothermal expansion a

1.	n moles of an ideal monoatomic gas undergoes an isothermal expansion at temperature T, during which its volume becomes 4 times. The work done on the gas and change in internal energy of the gas respectively are
Answer» NRT In 4,0 -nRT In 4,0 `nRT ln 4, (3nRT)/(2)` `-nRT ln 4, (3nRT)/(2)` ANSWER :B