a 40 cm long rod of diameter 0.3 cm is subjected to 2 kn load. If the diamter of rod is reduced to 0.25 cm, then enginerring strain in the rod is

a 40 cm long rod of diameter 0.3 cm is subjected to 2 kn load. If the

1.	a 40 cm long rod of diameter 0.3 cm is subjected to 2 kn load. If the diamter of rod is reduced to 0.25 cm, then enginerring strain in the rod is
A.	0.167
B.	0.2
C.	0.25
D.	0.3
Answer» C. 0.25