No, the equation you mentioned, E=hfE = hfE=hf, is not directly related to the angular momentum of an electron. The equation E=hfE = hfE=hf is a fundamental relationship in quantum mechanics known as the Planck-Einstein relation, which relates the energy (EEE) of a photon to its frequency (fff) by the constant hhh, which is Planck's constant.
The angular momentum of an electron is described by the concept of orbital angular momentum, and it is related to the electron's motion around the nucleus of an atom. The angular momentum of an electron is quantized in discrete values, according to the principles of quantum mechanics.
Light, on the other hand, is an electromagnetic wave consisting of oscillating electric and magnetic fields. It is not made up of electrons. The behavior of light can be described both as a wave and as a stream of particles called photons. Photons are massless particles that carry energy and momentum. The energy of a single photon is determined by its frequency through the Planck-Einstein relation.
So, while both electrons and photons play important roles in quantum mechanics, they are distinct entities. Electrons possess angular momentum due to their orbital motion, and photons are particles of light with energy related to their frequency through the Planck-Einstein relation.