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.
About 40% students will take CBSE Class 10 second attempt, first board exams must, says chairman
CBSE Class 10 second board exam 2026 only for subjects with 50% external assessment; officials clarify FAQs
CBSE Class 10, 12 theory, practical, project and internal assessment marks break-up out; exam from February 17
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now