(a) The half-life of 56/25 Mn is 9.3 x 10\(^3\)S. What does the statement mean?
(b) Give the three types of radiation that are usually emitted by radioactive substances.
Explanation
(a) The time taken for half amount of \(^{56}Mn\) to decompose is the half life which is 9.3 x 10\(^{3}\)s
(b) They are the Alpha, the Beta and Gamma particles.