[ The velocity of sound in a solid depends upon its Young's modulus of elasticity (Y) and density(p) of material.Obtain a relation between velocity,Young's modulus and density.The dimensional formula of Young's modulus is [ML^(-1)T^(-2)] .]
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young's modulus = (velocity)^2 × density
= L^2T^-2×ML^-3=ML^-1T^-2
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