A transverse wave travels on a taut steel wire with a velocity of v when tension in it is 2.06 × 10 4 N . When the tension is changed to T , the velocity changed to v 2 . The value of T is close to:

Question

A transverse wave travels on a taut steel wire with a velocity of v when tension in it is 2.06 × 10 4 N . When the tension is changed to T , the velocity changed to v 2 . The value of T is close to:, 2.50 × 10 4 N, 5.15 × 10 3 N, 30.5 × 10 4 N, 10.2 × 10 2 N

MARKS App · Accepted Answer

v ∝ T ⇒ v 1 v 2 = T 1 T 2 ⇒ v v 2 = 2.06 × 10 4 T ⇒ T = 2.06 × 10 4 4 N = 0.515 × 10 4 N

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