Question

Sound waves of wavelength 5 cm have a velocity of 340m/s in air. What is their frequency?

68000 Hz
6800 Hz
68 Hz
680 Hz

Tell me fast

Answer 1

Answer:

6800 Hz..

Explanation:

(Given ) :-

Wavelength = 5cm

Wavelength = 0.05 m

V( speed) = 340m/s

V = Frequency × Wavelength

V/Wavelength = Frequency

340/5 × 100 = 6800 Hz..

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Answer 2

Answer:

6800 HZ

Explanation:

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