Gurmeet Kaur is an Education Industry Professional with 10 years of experience in teaching and creating digital content. She is a Science graduate and has a PG diploma in Computer Applications. At ...
The CBSE Class 9 Science syllabus for 2025-26 is aligned with the National Curriculum Framework for School Education (NCFSE) 2023. It includes the complete breakdown of units, topics, and assessment ...
Part of Physics (Single Science) Unit 1: Atomic and nuclear physics Most of the mass and all of the positive charge of an atom is in the nucleus. Most of an atom is empty space, (a vacuum). In 1897, ...