# NEET Physics Nuclei Questions Solved

1 atomic mass unit is equal to
(a) $\frac{1}{25}$ (mass of ${\mathrm{F}}_{2}$ molecules)
(b) $\frac{1}{14}$ (mass of ${\mathrm{N}}_{2}$ molecules)
(c) $\frac{1}{12}$ (mass of one C-atom)
(d) $\frac{1}{16}$ (mass of ${\mathrm{O}}_{2}$ molecules)