Question

The frequency of a wave if its wavelength is 100m​

Answer 1

Answer: 3×10⁶ Hz

Explanation: Here, λ= 100m         c = speed of light = 3× 10⁸ m/s

λ= c/f

∴f = c/λ

∴f= 3× 10⁸/100

∴f= 3× 10⁶ Hz

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