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