Equivalence of Mass and Energy

2020 1 question

1. 1 Work, Energy and Power Easy
   The energy equivalent of 0.5 g of a substance is:
   A $4.5\times10^{13}\ J$ B $1.5\times10^{13}\ J$ C $0.5\times10^{13}\ J$ D $4.5\times10^{16}\ J$
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