An - particle is emitted from a heavy radioactive nucleus- If the moment of the - particle and the daughter nucleus are P- and PD- then which among the following is the correct relation between them-

The correct option is A P_α = P_D From conservation of linear momentum P _α #160; = P _ D They will be equal in magnitude but opposite in direction ...

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Byju's Answer

Standard X

Physics

Properties of Alpha, Beta and Gamma Radiations

An α partic...

Question

An $α$ particle is emitted from a heavy radioactive nucleus. If the moment of the $α$ particle and the daughter nucleus are $P_{α}$ and $P_{D}$ , then which among the following is the correct relation between them?

P_{α} = - P_{D}

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P_{α} > P_{D}

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P_{α} < P_{D}

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P_{α} = P_{D}

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Solution

The correct option is A $P_{α} = - P_{D}$
From conservation of linear momentum
$P_{α} = - P_{D}$
They will be equal in magnitude but opposite in direction. So there is negative sign.

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An α particle is emitted from a heavy radioactive nucleus. If the moment of the α particle and the daughter nucleus are Pα and PD, then which among the following is the correct relation between them?

The correct option is A Pα=−PDFrom conservation of linear momentumPα=−PDThey will be equal in magnitude but opposite in direction. So there is negative sign.

An $α$ particle is emitted from a heavy radioactive nucleus. If the moment of the $α$ particle and the daughter nucleus are $P_{α}$ and $P_{D}$ , then which among the following is the correct relation between them?

The correct option is A $P_{α} = - P_{D}$
From conservation of linear momentum
$P_{α} = - P_{D}$
They will be equal in magnitude but opposite in direction. So there is negative sign.