When two objects P and Q are supplied with the same quantity of heat, the temperature change in P is observed to be twice that in Q. lf the masses of P and Q are the same, calculate the ratio of the specific heat capacities of Q to P.

• A.4 : 1
• B.2 : 1
• C.1 : 1
• D.1 : 2
• E.1 : 4.