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# The photoelectric effect is based on

$\begin {array} {1 1} (a)\;law\: of\: conservation\: of\: linear \: momentum & \quad (b)\;law \: of \: conservation\: of\: energy \\ (c)\;law\: of\: conservation \: of \: angular \: momentum & \quad (d)\;law\: of\: conservation\: of\: mass \end {array}$

Ans : (b) law of conservation of energy

edited Mar 13, 2014