Question

Calculate the frequency of red light with a wavelength of 6.50x10^-7

Answer 1

We Know, Velocity of light = frequency * wavelength
frequency = velocity/wavelength
f = 3 * 10⁸ / 6.50 * 10⁻⁷
f = 4.61 Hertz

So, your final answer is 4.61 Hz

Hope this helps!