Question

Find the velocity of the sound if sound travels at wavelength 4.6 lambda with period of 10 second s​

Answer 1

Explanation:

f = c / λ = wave speed c (m/s) / wavelength λ (m). The formula for time is: T (period) = 1 / f (frequency). λ = c / f = wave speed c (m/s) / frequency f (Hz). The unit hertz (Hz) was once called cps = cycles per second.

Answer 2

Answer:

0.46 m/sec

Explanation:

Wavelength = 4.6 metres

Time period = 10 seconds

Frequency = 1/time period = 1/10 Hertz

Velocity = Wavelength × Frequency

Velocity = 4.6×1/10 = 0.46 m/sec

Therefore the velocity is 0.46 m/sec.

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