A rod of specific gravity 0 7 is found to be stretched by one millimetre when suspended vertically and loaded with a weight of

Question

A rod of specific gravity 0 7 is found to be stretched by one millimetre when suspended vertically and loaded with a weight of lead of specific gravity 11 the volume of the weight being equal to that of the rod What fundamental approximately frequency will the rod alone emit when clamped at the middle and rubbed longitudinally A 1 1100g 2 7 B 11x10 g 7 C 770g 2 3 D 1 2 7 10 g 11

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