Question

Energy of $1g$ uranium is equal to :

• A. $9.0\times 10^{13}J$
• B. $9.0\times 10^{19}J$
• C. $3.0\times 10^{16}J$
• D. $3.0\times 10^{17}J$

Answer 1

Answer: (A)

$E=m{c}^2=(1\times 10^{-3})(3\times 10^8{)}^2=9\times 10^{13}$ J