 ## Speed

Speed Distance Covered by a body in unit time. Rate of change of distance. It is a scalar quantity. It is represented by v. Formula = Distance / Time v = s / t Speed unit = m / s… ## Physical quantity and Measurements

Physical Quantity A physical phenomenon that can be quantified is a physical quantity.It has any numeric value and unit. Unit It is the fixed amount of a physical quantity which is used as a standard of measurement. Fundamental / Base… ## Distance and Displacement

Distance Length of a Path between two points is called distance Unit = meter Displacement It is the shortest distance between two points Unit = meter Distance Displacement Length of a Path between two points. It is the shortest distance… ## Scientific Notation

What is scientific notation? What is standard notation? Why use scientific notation? Scientific notation in Urdu. Scientific notation in Hindi? scientific notation in standard notation. standard notation in scientific notation. scientific notation conversion. ## Newton Law of Gravitation and Gravitational Acceleration

Gravity: Gravity is the force by which a body attracts another body toward its center. Earth’s gravity comes from all its mass. If you were on a planet with less mass than Earth, you would weigh less than you do… ## What is Computer.

Definition of Computer. “ Computer is an electronic device that accepts data and instructions as input, process the data according to the given instructions and produce information as output” Electronic Machines: A machine which uses electronic circuits for its working.It… ## Introduction to Number System

Number System In this video, we are going to discuss famous number systems.After this, we will go for its conversion like Binary to decimal. ## Number system conversion

Number system Conversion It is the basic concept use in computer science.Before this video, visit Introduction to number system to get the basic concept.