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Conservation of Momentum

In pair annih...

Question

In pair annihilation, two $γ$ -ray photons are produced due to

A

Law of conservation of energy

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B

Law of conservation of mass

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C

Law of conservation of momentum

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D

Law of conservation of angular momentum

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Solution

The correct option is B Law of conservation of mass
When a particle encounters its antiparticle, they annihilate with the transformation of their mass energies into two gamma rays obeying law of conservation of mass.

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