Category: CBSE

Central Board of secondary education

Discussion Forum Latest Questions

Srushti

A leap year occurs every four years when a year is divisible by 4. However, years divisible by 100 are exceptions, unless divisible by 400. This adjustment compensates for the Earth’s orbit, keeping the calendar year synchronized with the astronomical ...

Subham Kumar

National Science Day is celebrated on February 28th each year in India. This date marks the discovery of the Raman Effect by the renowned Indian scientist Sir C.V. Raman in 1928, for which he was awarded the Nobel Prize in ...