Question

In the relation \[E = mc^2\], the quantity E represents:

Options

• The electric field strength of the system

• The momentum of the particle

• The kinetic energy of light in vacuum

• The energy equivalent of mass m

Answer 1

In the mass-energy equivalence relation \[E = mc^2\], E denotes the energy equivalent of the mass m. The equation quantifies how much energy is contained in a given amount of mass.