Mass Energy – Class 12 | Chapter – 13 | Physics Short Notes Series PDF for NEET & JEE

Mass Energy: Mass-energy equivalence is a concept in physics that was first introduced by Albert Einstein in his famous equation E=mc2. This equation expresses the idea that mass and energy are equivalent and can be converted into one another.

According to the equation, the total energy (E) of an object is equal to its mass (m) multiplied by the speed of light squared (c2). This means that even a small amount of mass can be converted into a very large amount of energy, and vice versa.

Mass Energy

The concept of mass-energy equivalence has important implications in nuclear physics, where it is used to explain the energy released in nuclear reactions. In nuclear reactions, the mass of the reactants is converted into energy, which can be released in the form of radiation or used to generate electricity.

The equation also has important implications in cosmology and the study of the universe. It suggests that the energy of the universe is related to its mass, and that the total amount of energy in the universe is finite.

In summary, mass-energy equivalence is a fundamental concept in physics that expresses the idea that mass and energy are equivalent and can be converted into one another. The concept has important applications in nuclear physics, cosmology, and other areas of science.


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By Team Learning Mantras