Mass flow of granular solid (M) through a circular opening of dia, D follows_____________________?
A. M ∝ √D
B. M ∝ D2
C. M ∝ D3
D. M ∝ D
A. M ∝ √D
B. M ∝ D2
C. M ∝ D3
D. M ∝ D