![]() Attempts to explain this effect, in which ultraviolet or blue light knocked electrons off a metal plate when even high levels of red light could not, using classical physics had all failed.īy considering light to behave as discrete particles called photons rather than as a wave Einstein was able to successfully account for the observations. ![]() Einstein applied the concept of the discrete package of energy, the quantum, discovered by the German physicist Max Planck to explain the photoelectric effect. The photoelectric effect and the photon. ![]() 2005 was celebrated as the World Year of Physics to commemorate the centenary of the papers he wrote in 1905 on three key topics in Physics: ![]() Albert Einstein is probably the most recongnisable and famous scientist in the world today even though he died six decades ago. ![]()
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