NEET Practice Questions - Physics - Mechanical Properties of Solids

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  • Subject:

    Physics

  • Chapter:

    Mechanical Properties of Solids










The bulk modulus of a spherical object is B. If it is subjected to uniform pressure p, the fractional decrease in radius is 

(a)PB

(b) B3p

(c) 3pB

(d)p3B

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Coefficient of linear expansion of brass and steel rods are α1 and α2, Lengths of brass and steel rods l1 and l2 respectively. If l2-l1 is maintained same at all temperatures, Which one of the following relations holds good?

(a) α1l22=α2l12                (b) α12l2=α22l1

(c) α1l1=α2l2                (c) α1l2=α2l1

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