JEE Mains Model Paper 1

Two insulating cylinders A and B fitted with pistons contain equal amounts of an idealdiatomic gas at temperature 300 K. The piston A is free to move, while that of B is heldfixed. The same amount of heat is given to the gas in each cylinder. if the rise intemperature of the gas in A is 30 K, then the rise in temperature of the gas in B is