The relationship between frequency and energy for an electromagnetic (EM) wave is described by the equation:
E = hf
where E is the energy of the wave, h is Planck’s constant (approximately 6.626 x 10-34 Js), and f is the frequency of the wave.
This equation tells us that the energy of an EM wave is directly proportional to its frequency. This means that as the frequency of the wave increases, the energy also increases. Conversely, if the frequency decreases, the energy decreases as well.
For example, visible light has a higher frequency than infrared radiation, which means that visible light has more energy compared to infrared light. This relationship is fundamental in understanding various phenomena in physics and is crucial for technologies such as lasers and photovoltaics.