Answer:
340 m/sec
Explanation:
A wave speed is usually defined as the distance that a wave covers in a given amount of time. It is commonly represented in terms of numbers of meters a wave moves per second.
Given that,
Frequency of sound wave, f = 250 Hertz
Wavelength, λ = 1.36 meters
Mathematically,
⇒ Wave velocity (speed) = Frequency × Wavelength
⇒ v = 250 × 1.36
⇒ v = 340 m/sec