What is the relationship between the values of wavelength , frequency, and energy of electromagnetic waves

With an EM wave, the higher the frequency is, the higher the energy but also the lower the wavelength. If a wave has a low frequency, it will have a high wavelength but also low energy. An example is a radio wave. A high frequency, high energy (but low wavelength) wave like gamma or UV are also ionising which means they have enough energy to knock electrons off atoms.

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