Answer:
Frequency = 6.13x10⁻³s⁻¹
Explanation:
The wavelength is defined as the ratio between speed of light (3x10⁸m/s) and the frequency of the wave:
Wavelength = Speed of light / frequency
Frequency = Speed of light / wavelength
Frequency = 3x10⁸m/s / 4.89x10¹⁰m
Frequency = 6.13x10⁻³s⁻¹
