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.
CBSE launches psycho-social counselling services for Class 10, 12 students ahead of board exams 2026
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now