PhysicsMedium85×since 2002Q8513A plane progressive wave is given by y=2cos2π(330t−x)my=2 \cos 2 \pi(330 \mathrm{t}-x) \mathrm{m}y=2cos2π(330t−x)m. The frequency of the wave is :A660 HzB340 HzC330 HzD165 HzCheck answerSkip