## 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…

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 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 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…

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.

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 matter? What is mass? What is weight? Difference between mass and weight?

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Reflection Of Light When light travelling in one medium and strikes with shiny surface , a big part of light is sent back to the same medium.

Youtube Graphical Representation. Graphically a vector is represented by an arrowhead line segment.The length of the line gives the magnitude of vector on a certain scale and arrow indicates the direction of the vector. Head to Tail Rule. Head to…

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