Question

$does \: light \: hav e \: mass \: {?} prove \: it \: mathematically {?}^{}$

Answer 1

Does light have mass? ... Light is composed of photons, so we could ask if the photon has mass. The answer is then definitely "no": the photon is a massless particle. According to theory it has energy and momentum but no mass, and this is confirmed by experiment to within strict limits.

Answer 2

Dear Mate !!

Ans ▶️Light is made up of photons, so photon has No mass

So ans. is "No":