If Y and B represent Young's modulus and bulb modulus for a material,

1.	If Y and B represent Young's modulus and bulb modulus for a material, then in partice
Answer» `Y LT 3B` `Y = 3B` `Y gt 3B` `B= 3Y` Solution :`(Y)/(3B) = 1-2 SIGMA` But `sigma`, in practice LIES between zero and `(1)/(2)`, so `0 lt 1 - 2sigma lt 1` Hence, `(Y)/(3B) lt 1 or Y lt 3B`

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