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26-10-2022
Physics

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19. The speed of sound is 343 m/s. If the wavelength is 15cm, find the frequency.

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OrelO595908 OrelO595908

26-10-2022

velocity = frequency * wavelength

Frequency = Velocity / wavelength

Velocity = 343 m/s

Wavelength = 15 cm

Since 100 cm = 1 meter

15 cm /100 = 0.15 meters

Replacing:

Frequency = 343 m/s * 0.15 m = 51.45 Hz

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