A transverse wave travels on a taut steel wire with a velocity of v when tension in it is 2.06 × 10⁴ N. When the tension is changed to t, the velocity changed to 3v. The value of T is close to:
a. 10.2 × 10²N
b. 5.15 × 10³N
c. 2.50 × 10⁴N
d. 18.54 × 10⁴N