For most materials the Young's modulus is `n` times the modulus of rigidity, where `n` is

Options

A. 2
B. 3
C. 4
D. 5

Answer

B

Explanation

For most materials, the modulus of rigidity is one-third of the Young's modulus.
`eta =(1)/(3) Y or Y = 3 eta`
` therefore n =3`