1.6×10−22 J1.6 \times 10^{-22} \mathrm{~J}1.6×10−22 J
1.6×10−19 J1.6 \times 10^{-19} \mathrm{~J}1.6×10−19 J
1.6×10−16 J1.6 \times 10^{-16} \mathrm{~J}1.6×10−16 J
1.6×10−13 J1.6 \times 10^{-13} \mathrm{~J}1.6×10−13 J