Question

To reflect sound waves from any surface, it should have dimensions

• A. Equal or greater than wavelength of sound wave
• B. Always greater than wavelength of sound wave
• C. Equal or less than wavelength of sound wave
• D. Always less than the wavelength of sound wave

Answer 1

The correct option is A

Equal or greater than wavelength of sound wave

To reflect sound waves from any surface, it should have dimensions equal or greater than wavelength of sound wave so that the wavs can reflect properly.