1) In the nuclear transmutation 94Be+X→94Be+Y (X,Y) is (are) A) (γ,n) B) (p,D) C) (n,D) D) (γ,p) Answer: Option A,BExplanation:Plan Atomic number same 4+a=4+c 9+b=8+d If X=00γ a=0, b=0 Y=10n c=0, d=1 If X=11p a=1, b=1 Y=21D c=1, d=2 94Be+00γ→84Be+10n 94Be+11p→84Be+21D