For an isotropic, homogeneous and elastic material obeying Hooke’s law, the number of independent elastic constants is ____________

For an isotropic, homogeneous and elastic material obeying Hooke’s

1.	For an isotropic, homogeneous and elastic material obeying Hooke’s law, the number of independent elastic constants is ____________
A.	2
B.	3
C.	9
D.	1
Answer» C. 9