To find the frequency from a given wavelength, you can use the equation:
frequency = speed of light / wavelength
The speed of light is a constant value approximately equal to 299,792,458 meters per second (in a vacuum). The wavelength is usually given in meters or any other appropriate unit.
Here's an example:
Let's say you have a wavelength of 500 nanometers (nm). First, you need to convert the wavelength to meters since the speed of light is commonly given in meters per second.
Wavelength in meters = 500 nm * (1 meter / 10^9 nm) = 0.0000005 meters
Next, you can plug the values into the equation to calculate the frequency:
frequency = speed of light / wavelength frequency = 299,792,458 meters per second / 0.0000005 meters frequency ≈ 599,584,916,000,000,000 Hz (or 5.9958 × 10^14 Hz)
Therefore, the frequency corresponding to a wavelength of 500 nm is approximately 5.9958 × 10^14 Hz.