Question

show that 1amu= 931.5mev​

Answer 1

Answer:

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Explanation:

Using Einstein mass-energy equivalence.

E = mc^2

We know that 1 amu = 1/12th mass of an atom of carbon-12.

1 amu = 1.67 x 10^-27 Kg

Now substitute this in mass-energy equivalence equation.

E = 1.67 x 10^-27 Kg x (3 x 10^8)^2 J

E = 1.67 x 10^-27 Kg x (3 x 10^8)^2 / 1.6 x 10^-19

E = 931 Mev

1 eV = 1.6 x 10^-19 j

Hence proved that 1 amu=931.5 MeV

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