Answer:
E = hv
where
E = energy,
h = Planck's constant
v = frequency.
Explanation:
Einstein proposed that electromagnetic energy was transmitted in quanta or packets. This gave rise to modern Quantum Physics.
The usual representation of a photon or energy packet is
E = hf
where f = frequency.
The frequency is related to the speed of light by
c = fλ
where
c = speed of light
λ = wavelength
