What is Acceleration?
Acceleration is a change in velocity over time. It is a vector quantity that is defined as the rate at which an object changes…
Electrostatics – Class XII & IIT-JEE
Electrostatics is a branch of physics that deals with the electric charges at rest electric charges. Since classical physics, it has been known that…
Difference between Velocity and Speed
Just as distance and displacement have distinctly different meanings (despite their similarities), so do speed and velocity. Speed is a scalar quantity that refers to “how fast an…
Chemical Reactions and Equations
Chemical reactions are the processes in which new substances with new properties are formed. Only a rearrangement of atoms takes place in a chemical…
Heat Engine
What is a heat engine? The heat engine is a device which converts heat into useful mechanical energy. Name the two types of heat…
Newton’s Laws
Newton’s 1st Law The first law of motion sates that an object will not change its speed or direction unless an unbalanced force (a…
Types of Chemical Reactions
Chemical reactions are the processes in which new substances with new properties are formed. And there are several types of chemical reactions, of which…