If the value of wave length is given as 21m with different weights 6 and 2, find the value of E.

If the value of wave length is given as 21m with different weights 6 a

1.	If the value of wave length is given as 21m with different weights 6 and 2, find the value of E.
A.	14
B.	13
C.	12
D.	10
Answer» B. 13