KVPY SX SB Exam 2012 Question Paper

An ideal monatomic gas expands to twice its volume. If the process is isothermal, the magnitude of work done by the gas is ${\mathit{W}}_{\mathit{i}}$. If the process is adiabatic, the magnitude of work done by the gas is ${\mathit{W}}_{\mathit{a}}$. Which of the following is true?