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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

(5)

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