State mass-energy equation $E = mc^{2}$
Difficulty: Easy
Mass-energy equation:
Einstein predicted the interconversion of matter and energy. According to him, a loss in the mass of a body provides a lot of energy. This happens in nuclear reactions. The relation between mass m and energy E is given by Einstein's mass-energy equation.
$E = mc^{2}$
Here c is the speed of light $(3\times10^{8} ms^{-1})$ The above equation shows that a tremendous amount of energy can be obtained from a small quantity of matter
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