Which of the following statement is true? (c is the specific heat at constant volume)

• A. the equation du=c*dT holds good for an ideal gas for any process
• B. for gases other than ideal ones, the equation holds true for a constant volume process only
• C. for an ideal gas c is constant and hence Δu=c*ΔT
• D. all of the mentioned
• E. the equation du=c*dT holds good for an ideal gas for any processb) for gases other than ideal ones, the equation holds true for a constant volume process onlyc) for an ideal gas c is constant and hence Δu=c*ΔTd) all of the mentioned