Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsNuclei2 Marks
Question
Define atomic mass unit (amu) and write its equivalent energy.
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Answer
One twelfth part of the mass of an atom of ${ }_6 C ^{12}$ is called atomic mass unit. That is, $\quad 1 amu =\frac{1}{12} \times\left(\right.$ Mass of 1 atom of $\left.\left.{ }_6 C ^{12}\right)\right)$ $1 amu=1.66 \times 10^{-27} kg$ Energy equivalent of $1 amu =931 MeV$
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