14
12
4
1
2
Correct answer is D
Heat = mcθ
Hx = Dx x Vx x Cx x θx
Hy = Dy x Vy x Cy x θy
HxHy = Dx×Vx×Cx×θxDx×Vx×Cx×θx
= 2 x 12
= 1
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