Waves on a String: A string of length$$L$$is under tension, and the speed of a wave in the string is$$v$.$ What will be the speed of a wave in the string if the length is increased to $2$L$$but with no change in the mass or tension?

Question $2$ options:

$1)$

v$/2$

$2)$

v$/$

$3)$

v

$4)$

$2$v

$5)$

$4$v