CBSE Tutorials

Tag: CBSE science

  • Physics 9th | Motion: Displacement

    Motion: Displacement Motion 1. A body is said to be in motion if it changes its position with time with respect to the observer. e.g. When a tree T is observed by an observer A sitting on a bench, the tree is at rest. This is because the position of the tree is not changing…

  • Chemistry IX | Matter-Its Nature and Behaviour | Part 1

    Matter-Its Nature and Behaviour | Part 1 INTRODUCTION Matter · Anything that occupies space , possesses mass and exert pressure is called matter. Element · An element is a substance which cannot be split up into two or more simpler substances by the any chemical and physical methods of applying heat, light or electric energy.…