# NEET Physics Nuclei Questions Solved

An element A decays into element C by a two step process

$A\to B+{}_{2}H{e}^{4}\phantom{\rule{0ex}{0ex}}B\to C+2{e}^{-}$

then  [1989]

(1) A and C are isotopes

(2) A and C are isobars

(3) A and B are isotopes

(4) A and B are isobars