Q. Which of the following is equivalent to 1 a.m.u?
Answer: 1/12th of the mass of the carbon atom
Notes: 1 atomic mass unit (u) is defined as 1/12th of the mass of the carbon (12C) atom.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 19 in General Studies Mock Test - 4 in above course in App.