thevignesh Posted July 30, 2006 Report Share Posted July 30, 2006 Hey What do you think of this: we all know light has energy but has no mass but E=mc^2 and E=hv according to the quantum theory light has to have some mass. What i say is vissible light. E=mc^2-------------------------------(1) E=hv-----------------------------------(2) M=E/C^2 but when we substitute 2 M=hv/C^2 I think this would only apply if the light was taken as a particle Quote Link to comment Share on other sites More sharing options...
BrainForce Posted July 30, 2006 Report Share Posted July 30, 2006 Obviously and rightly said ,that was contradictory in earlier times,but now that particle is taken as EM force's messenger particle photon. Quote Link to comment Share on other sites More sharing options...
Jay-qu Posted July 30, 2006 Report Share Posted July 30, 2006 Photon is a massless particle, but it can carry momentum right? Quote Link to comment Share on other sites More sharing options...
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