24. With rise in temperature, density of a given body changes according to one of the following relations
(a) ρ= ρ0 [1+ (λd θ)] (b) ρ= ρ0 [1- (λd θ)]
(c) ρ= ρ0 λd θ (d) ρ= ρ0 /λdθ
Answer-b
(6)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)