For most materials the Youngs modulus is n times the modulus of rigidity, where n is

Options

A. 2
B. 3
C. 4
D. 6

Answer

b

Explanation

For most materials the modulus of rigidity, `eta` is one-third of the Youngs modulus Y,
`G = (1)/(3) Y` or `Y = 3G :. N = 3`