Which of the following `"is"//"are"` the examples of induced radioactivity?

Options

A. `._(7)N^(14) + ._(2)He^(4) rarr ._(8)O^(17) + ._(1)H^(1)`
B. `._(4)Be^(9) + ._(1)H^(1) rarr ._(3)Li^(9) + ._(2)He^(4)`
C. `._(12)Mg^(24) + ._(2)He^(4) rarr ._(14)Si^(27) + ._(0)n^(1)`
D. `._(5)B^(10) + ._(2)He^(4) rarr ._(7)N^(13) + ._(0)n^(1)`

Answer

A, B, C, D

Explanation

In all reactions, an artificial disintegration of a stable nuclei leads to a radioactive isotope.