The nuclide `X` undergoes `alpha`-decay and another nuclides `Y` undergoes `beta^(ɵ)`-decay, which of the following statement `"is"//"are"` correct? a)The `beta^(ɵ)`-particles emitted by `Y` may have widely different speeds. b)The `alpha`-particles emitted by `X` may have widely different speeds. c)The `alpha`-particles emitted by `X` will have almost same speed. d)The `beta`-particles emitted by `Y` will have the same speed.

Options

A. The `beta`-particles emitted by Y may have widely different speed
B. The `alpha`-particles emitted by X may have widely different speed.
C. The `alpha` particles emtted by X will have almost the same speed
D. The `beta`-particle emitted by Y will have the same speed

Answer

a,c