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Properties of Alpha, Beta and Gamma Radiations

An α -parti...

Question

An $α$ -particle is identical with:

A

proton

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B

neutron

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C

helium nucleus

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D

electron

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Solution

The correct option is C helium nucleus
Particles contains 2 proton and have atomic mass 4.
Hence it is identical with the nucleus because he has also 2 proton and its atomic mass is 4.

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