Q 1. Define the atomic mass unit.
An atomic mass unit is a unit of mass used to express the weight subatomic particles, where one unit is equal to exactly one-twelfth the mass of a carbon-12 atom.
Board Exams Date Sheet 2025 Live: RBSE 10th, 12th exams from March 6; CBSE admit card expected by month-end
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now