what do think is photon a quanta?
it is true to me that it is a quanta but i wish to gather solid evidence. i was think to gather evidence from photoelectric effect please see if you can give me additional insight
i think all is correct but let just think of mass simply as the total makeup of a substance, particle and the like if you see it just as the total content you can get the sense clear. and that explains why the mass of the particle can't change. as for the butter it means the mass of 1kg of it is...