1.

Two substances A and B have specific heats c and 2 c respectively. If A and B are given Q and 4Q amounts of heat respectively, the change in their temperatures is the same. If the mass of A is m, what is the mass of B?

Answer»

tion:Before solving this QUESTION we all should know about this formula ∆T = Q/mcwhere ∆T is change in temperatureand m is mass and C is SPECIFIC heatnow in our question ∆T is same for both substances then Q¹/m¹c¹=Q²/m²c² Q/mc. =4Q/m²2c m². =2m so the mass of OBJECT B is 2m



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