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Malus Law

Malus law is an important law when it comes to learning and understanding the polarization properties of light. The law helps us to study the light intensity relation of the polarizer-analyzer. Malus law is named after Étienne-Louis Malus. He discovered that natural...

Understand and Calculate Reynolds Number Formula

Introduction: If we understand and Calculate Reynolds Number Formula then we can easily understand the mechanism flow. Reynold Number formula regulates how fluid flows. The behavior of fluid depends upon Fluid Mechanics. Fluid mechanics is the branch of Physics which...

Light Energy

Light is defined as a form of electromagnetic radiation emitted by hot objects like lasers, led lights or the sun. Light is basically any form of radiant energy and is usually manifest as visible radiant energy. Thus, it is a form of kinetic energy with the ability to...

Units of Electric Field

Electric field is an electrical property associated with each point in space where a charge is present in any form. The magnitude and direction is expressed by the value of E. In an equation, E refers to the electric field strength or electric field intensity. The...
Data and Information

Data and Information

The Definition and Differences: Generally believed that the terms “data” and “information” can be interchangeably and that data and information often mean the same thing. Contrary to this notion; bot the terms mean different things and signify different concepts. Data...
Thermal Energy Formula

Thermal Energy Formula

Thermal Energy: Concept and Equation It is the energy contained within a system that results in the existing temperature of the system. The total energy of a system is the summation of its thermal energy and kinetic energy. This phenomenon also leads to the...
Surface Energy

Surface Energy

What is Surface Energy? Surface energy is a measure of the excess energy present at the surface of a material. Surface energy indicates the disruption of intermolecular bonds that occurs when a surface is created. This phenomenon is also called surface free energy or...
Average Velocity – Definition

Average Velocity – Definition

To understand this topic, one must be clear about the concepts of terms like Velocity, Acceleration, Speed and Displacement. The term ‘Speed’ and ‘Velocity’ are often inter-changed although erroneously. The important difference between Speed and Velocity is :- Speed...

RRB ALP Technician Railways 2020 Recruitment Concluded

RRB ALP Technician Railways 2020 Recruitment Concluded: Next Begins RRB NTPC 2020 Exam, Indian Railways Largest 2020 Recruitment Assessment RRB ALP Technician Railways 2020 Recruitment Concluded-Next Begins RRB NTPC 2020 Exam (Indian Railways Largest 2020 Recruitment...