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Question

Physics Question on Radioactivity

A radioactive element forms its own isotopes after three consecutive disintegrations. The particles emitted are

A

3ẞ-particles

B

2ẞ-particles and 1 a - particle

C

3B-particles and 1 a - particle

D

2 a-particles and 1ẞ - particle

Answer

2ẞ-particles and 1 a - particle

Explanation

Solution

The correct option is(B): 2ẞ-particles and 1 a - particle