Question

Volume versus temperature graph of two moles of helium gas is as shown in Figure. The ratio of heat absorbed and work done by the gas in the process 1-2 is –

• A. 5/2
• B. 5/3
• C. 7/5
• D. 5/7

Answer 1

Answer: (A)

5/2

Answer 2

\ P = Constant & $\frac{(\Delta Q)_{P}}{(\Delta W)_{P}} = \frac{nC_{p}\Delta T}{(\Delta Q)_{p} - (\Delta U)_{p}}$