1.

Bombardment of aluminium by alpha- particles leads to its artificial disintegration in two ways , (i) and (ii) as shows . Product X , Y and Z respectively are .

Answer»

proton , neutron , positron
neutron , positron , proton
proton , positron , neutron
positron , proton , neutron

Solution :`""_(13) Al^(27) + overset( (""_(2) He^(4)))(to) ""_(14) SI^(30) + ""_(+1) X^(1) (""_(+) X^(1) = p) , ""_(13) Al^(27) + overset((""_(2) He^(4)))(to) ""_(15) p^(30) + ""_(0) y^(1) (""_(0) y^(1) = ""_(0) n^(1))`
`""_(15) P^(30) to ""_(14) Si^(1) + ""_(+1) Z^(0) (""_(+1) Z^(0)= ""_(+) e^(0))`


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