Author: Ch. Naveen Kumar

*How ……..* How color of an LED determines? The material used in the semiconducting element of an LED determines its color. The two main types of LEDs presently used for lighting systems are aluminum gallium indium phosphide (AlGaInP, Read more

Satyendranath (1 June 1842 – 9 January 1923) was the first Indian to join the Indian Civil Service. He was an author, song composer, and linguist, and made a significant contribution towards the emancipation of women in Indian society during Read more

*How ……..* How does a ship float what are the principles involved The air that is inside a ship is much less dense than water. That’s what keeps it floating! As a ship is set in water, Read more

First Noble Prize Winner of India,- Rabindranath Tagore for the Noble Prize in Literature, 1913. He was also the first Asian to get the Prize. Poet Rabindranath Tagore won the Nobel Prize for Literature in 1913 for his collection Gitanjali Read more

First dam in India : Kallanai Dam, one of the world’s oldest, still in use; build across the Kaveri river in Thiruchirapalli District in the state of Tamil Nadu in South India. Originally constructed by the Chola king Karikala Cholan Read more