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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Devisharan
Answer Charge is conserved in given reaction since -1+1=0 both sides. Lepton no. is conserved since L=-1 for electron and L=-1 for Positron. also charge conjugation is conserved since all charge reversed in charge conjugation. Now rest is Parity. So Parity is not conserved in given reaction.