Do light waves have mass?

The particles of light waves - the photons - have the rest mass $m_0$ equal to zero. However, at the speed of light, $v=c$, the total mass $$ m= \frac{m_0}{\sqrt{1-v^2/c^2}} $$ is increased to an indeterminate form, $0/0$, which should be evaluated as a finite number. read more

Strictly speaking, no. Light has Momentum, but no mass. Physicists often model light as either a wave or a particle. A wave is simply a variation in a parameter over space and time. The fields that compose a light wave can transfer momentum, but a variation in a field doesn’t have mass. read more

Best Answer: Light, like any and all waves is pure energy. It doesn't contain any particle which could give it mass. According to Einstein it is possible to convert mass to energy and there is a likely possibility of doing the reverse operation as well but the energy never has a mass for the external observer of the energy. read more

MASS OF LIGHT IS NOT 0. Light has mass. Generally,Mass is defined as the amount of substance or matter contained in the body. Also , according to the Newton's gravitational law mass can be defined as a quantity which has gravitational property that is it can apply gravitational force to other body and also it can be influenced. read more