What is Luminosity? Luminosity refers to the total amount of energy produced by different celestial bodies(stars, galaxy) per unit time... View Article

Beta Decay

What is Radioactivity? Radioactivity refers to the particles which are emitted from nuclei as a result of nuclear instability. The... View Article

Transistor Working

Transistor Basics A human brain contains 100 billion cells that let us think and remember things. Likewise, a computer contains... View Article

Wave Power

What is Wave Power? You may have noticed that there is a certain kind of air force when you go... View Article

Magnetic Force

Magnetic force is a consequence of electromagnetic force and is caused due to the motion of charges. We have learned... View Article

Equivalence Principle

What is Equivalence Principle? In the general theory of relativity developed by Alber Einstein, the equivalence principle explains about “equivalence... View Article


Groundwater is the water present below the earth’s surface and is a vast resource of water. Almost 22 per cent... View Article

Optical Instruments

What are Optical Instruments? Optical instruments are devices which use light rays for one of two purposes. Enhancement of Images for... View Article