A nucleus of mass number 220 decays by $\alpha$ decay. The energy released in the reaction is 5 MeV. The kinetic energy of an $\alpha$ ⁻particle is
A
1 MeV
B
$\frac{27}{11}$ MeV
C
$\frac{5}{11}$ MeV
D
$\frac{5}{54}$ MeV

Question

A nucleus of mass number 220 decays by $ \alpha $ decay. The energy released in the reaction is 5 MeV. The kinetic energy of an $ \alpha $⁻particle is

Accepted Answer

$ \frac{5}{11} $ MeV

Answer

1 MeV

Answer

$ \frac{27}{11} $ MeV

Answer

$ \frac{5}{54} $ MeV

AIIMS 2009 Physics Radioactive Decay MCQ Question

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