When electron falls from a higher energy to a lower energy level , the difference in the energies appear in the form of electromagnetic radiation . Why cannot it be emitted as other form of energy?

Question

$\begin{array}{1 1} \text{Electrons interact only electro magnetically } \\ \text{Because of the collision of electrons} \\ \text{Because electrons are changed particle} \\ \text{Because of absorption of energy } \end{array} $