Right option is (d) 1.0080 amu
Explanation: The mass of a hydrogen atom is 1.6736×10^-24 g. When converted in terms of amu, 1.6736×10^-24 g should be divided by 1.66056×10^-24 g. 1.6736×10^-24 g/1.66056×10^-24 g = 1.0078 amu = 1.008 amu. This the process to measure any atomic mass in amu.