Multiple choice question II — task. Science CBSE, Class 9.

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If the frequency of a transverse wave is

$10\ Hz$ . And the distance between the two consecutive wave crests is

$2\ m$ . Calculate the wave speed.

$2\ ms^{-1}$
$20\ ms^{-1}$
$200\ ms^{-1}$
$2000\ ms^{-1}$

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