Choose the correct relationship between Poisson ratio (σ), bulk modulus (K) and modulus of rigidity (η) of a given solid object:
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Choose the correct relationship between Poisson ratio (σ), bulk modulus (K) and modulus of rigidity (η) of a given solid object:

G1 Physics · Accepted Answer

Using Y = 2η(1+σ) and Y = 3K(1−2σ), equating gives 2η(1+σ) = 3K(1−2σ). Solving for σ gives σ = (3K − 2η)/(6K + 2η).