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Key Stage 3 Science - Physics
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Question 37 of 45
A wave has a wavelength of 10 m and a speed of 65 m/s. What is the frequency of this wave in Hz?
Hz
Enter your answer as a number
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9
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Respuesta :

Answer: frequency = 6.5 Hz

Explanation:

Given that the

Speed V = 65 m/s

Wavelength (λ) = 10m

Wave speed is the product of frequency and wavelength. That is,

V = fλ

Substitute V and (λ) into the formula to get frequency f

65 = 10f

Make f the subject of formula

f = 65/10

f = 6.5 Hz

Therefore, the frequency of this wave is 6.5 Hz?