To find the frequency of a wavelength, you can use the equation:
frequency = speed of light / wavelength
The speed of light is a constant value, approximately 299,792,458 meters per second (or about 3.00 × 10^8 meters per second). This value represents the speed at which electromagnetic waves, including light, travel in a vacuum.
The wavelength is the distance between successive peaks or troughs of a wave. It is typically measured in meters (m) or other units such as nanometers (nm) or micrometers (μm), depending on the scale of the wavelength.
By dividing the speed of light by the wavelength, you can calculate the frequency of the wave in hertz (Hz) or other frequency units such as kilohertz (kHz), megahertz (MHz), or gigahertz (GHz).
For example, let's say you have a wavelength of 500 nanometers (500 nm):
frequency = (3.00 × 10^8 m/s) / (500 × 10^-9 m) = 6.00 × 10^14 Hz
So the frequency of a wavelength of 500 nm would be approximately 6.00 × 10^14 Hz.