Jay's Mathematics Classes

SURFACE AREAS AND VOLUMES  Introduction So far, in all our studies, we have been dealing with figures that can be easily drawn on our notebooks or blackboards. These are called plane figures. We have understood what rectangles, squares , and circles…

LINEAR EQUATIONS IN TWO VARIABLES  👉 An equation of the form `ax + by + c = 0`, where `a, b` and `c` are real numbers, such that `a` and `b` are not both zero, is called a linear equation in two variables . Examples: `1.2s + 3t = 5, p + 4q = 7, πu +…

The Fundamental Unit of Life Back While examining a thin slice of cork, Robert Hooke saw that the cork resembled the structure of a honeycomb consisting of many little compartments. Cork is a substance that comes from the bark of a tree. This was i…

📝STRUCTURE OF THE ATOM   Introduction  👉 Atoms are made up of three subatomic particles: electrons, protons, neutrons . Electrons has negative charge, proton has positive charge, whereas neutron has no charge.   Protons…

Force and Laws of Motion Back When we want to open a door, we have to push the door handle. And when we want to close the door, we have to pull the door handle with our hand. This means that to move a body, it has either to be pushed or pulled. A p…

Back Class 9 Mathematics video lectures (All Chapters) Video lectures  ⇓ Number system (video lectures) Part2.1 (rationalisation) Font Awesome 5 Icons    Part2.2 (rationalisation) Font Awesome 5 Icons  Back

Back Introduction There are a large number of things around us that we see and feel. For example, you can see the book in front of you. The book occupies some space. Space occupied by the book is called its volume. If you pick up the book, you can a…