Equivalence Of Mass and Energy

In 1905, Einstein discovered that mass can be converted into energy and energy can be converted into mass. He showed that mass(m) and energy(E) are equivalent and related by the relation-

E = mc²

Where, m is mass that disappears, E is energy that appears and c is velocity of light.

c = 3×10⁸ m/s

Principle Of Conservation Of Energy

It state that energy can neither be created nor be destroyed but it can only be converted from one form to another.

It is one of the fundamental laws and is applied in all the process taking place in the universe.

NCERT Class 11 Physics Book PDF Free Download

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