Question

Please tell me if I am right:
Einstein found out that Photons have mass
De Broglie found out that Photons have wavelength

Answer 1

photons don't have mass and deBroglie didn't work with light.

Answer 2

E=MC^2

Answer 3

that equation says that energy can be converted into mass, not that photons have mass.

Answer 4

thank you

Answer 5

no problem