The rectangular beam ‘A’ has length l, width b and depth d. Another beam ‘B’ of same material has the same length and width but depth is double that of ‘A’. The elastic strength of beam B compared to that of A will be

The rectangular beam ‘A’ has length l, width b and depth d. Anothe

1.	The rectangular beam ‘A’ has length l, width b and depth d. Another beam ‘B’ of same material has the same length and width but depth is double that of ‘A’. The elastic strength of beam B compared to that of A will be
A.	same
B.	double
C.	four times
D.	six times
Answer» D. six times