If a 1 m long steel wire having area 5 * 10-5 is stretched through 1 mm by force of 10, 000 N then young modulus of wire is

If a 1 m long steel wire having area 5 * 10-5 is stretched through 1

1.	If a 1 m long steel wire having area 5 * 10-5 is stretched through 1 mm by force of 10, 000 N then young modulus of wire is
A.	2 * 1011 N m-2
B.	3 N m-4
C.	4 N m-2
D.	5 N m-2
Answer» B. 3 N m-4