1.

A nuclide A undergoes alpha -decay and another nuclide beta^(-)undergoes B decay a) All the a-particle emitted by A will have almost the same speed b) The b-particle emitted by A may have widely different speeds c) All the b-particle emitted by B will have almost the same speed d) The b-particle emitted by B may have widely different speeds

Answer»

a, B are TRUE
b, C are true
b, d are true
a,d are true

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