In a given string, tension T is observed...

In a given string, tension T is observed to equate to Kx, where x is the extension in the string due to tension. The speed of sound wave in a stretched string is v. If the extension in a string is increased to 1.5 x, then the speed of sound wave will be (Assume linear density does not change)

1.22 v

0.61 v

1.5 v

0.75 v

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