Types of Motion (Dimensional)

An object is said to be in Motion if it changes its position with respect to its surroundings with passage of time. For example – A speeding car is in motion because as…

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Dimensions and Dimensional Analysis

Dimensions of any physical quantity means the way it is related to fundamental quantities like mass, length and time. These are usually denoted by [M], [L] and [T]. Square brackets are used around…

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Physics Explained

The branch of science which deals with correct and precise description of the material universe is known as Physics. The word Physics comes from a Greek word meaning “knowledge of nature”. Physics attempts…

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Fields of Physics

This article is specifically for Class 11 students Physics is the physical science which deals with matter, energy and their transformations. Knowledge of physics will help you understand both natural phenomena and technologies…

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Order of Magnitude

This article is for Class 11 students In doing rough calculations or comparisons, we sometimes round off a number to one or even no significant figures. A number rounded to nearest power of…

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Errors in Measurement

Today accurate measurement is an important part of physics. But no measurement is absolutely precise, there is always some uncertainty associated with every measurement. Uncertainty in a measurement is called Error When giving…

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What is Mechanics?

The branch of Physics which deals with study of forces, motion and their relationship is called Mechanics. In mechanics, we try to understand and explain motion of material objects and also conditions under…

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Rest and Motion

RestAn object is said to be in Rest if it does not change its position with respect to its surrounding with passage of time.For example – If a book is placed on top…

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