When tension of a string is increased by 2.5 N, the initial frequency is altered in the ratio of 3 : 2….

Q: When tension of a string is increased by 2.5 N, the initial frequency is altered in the ratio of 3 : 2. The initial tension in the string is

(a) 6 N

(b) 5 N

(c) 4 N

(d) 2 N

Ans: (d)