Logo

Get Updates

Subscribe to receive instant notifications for new study materials and important updates.

Home» class 9»Science» Chapter 11: Sound

Calculate the wavelength of a sound wave whose frequency is 22... - Science

Question

Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.

Answer

Given:

  • Frequency (\nu) = 220 \text{ Hz}

  • Speed (v) = 440 \text{ m/s}

Formula: \text{Speed} = \text{Wavelength} \times \text{Frequency}
v = \lambda \times \nu
\lambda = \frac{v}{\nu}

Calculation: 

\lambda = \frac{440}{220}
\lambda = 2 \text{ m}

Answer:
The wavelength of the sound wave is 2 m.