Assuming the experimental mass of ¹²₆C as 12 u, the mass defect of ¹²₆C atom is _ _ _ MeV/ c². (Mass of proton = 1.00727 u. mass of neutron = 1.00866 u, 1 u = 931.5 MeV/ c² and c is the speed of the light in vacuum).

Atoms and Nuclei: JEE Main 2026 Physics question

JEE Main 2026 · 5 Apr, Evening shift · Q44

JEE Main 20265 Apr, Evening shiftPhysicsMediumAtoms and Nuclei183× since 2002

Assuming the experimental mass of

^{12}_{6}\mathrm{C}

as 12 u, the mass defect of

^{12}_{6}\mathrm{C}

atom is ______ MeV/

c^2

. (Mass of proton = 1.00727 u. mass of neutron = 1.00866 u, 1 u = 931.5 MeV/

c^2

and

c

is the speed of the light in vacuum).