ЁЯдФ *How ……..* тБЙ How do we measure the distances to things in space? Astronomers estimate the distance of nearby objects in space by using a method called stellar parallax, or trigonometric parallax. Simply put, they measure a star’s apparent Read more
ЁЯдФ *How ……..* тБЙ 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 тАУ 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
ЁЯдФ *How ……..* тБЙ How does a ship float what are the principles involved ЁЯЫея╕П 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
ЁЯдФ *How ……..* тБЙ How do ants find their way to sweet products? Ants, like other insects, use chemosense to detect sugar and other food. They have the ability to detect chemical substances in their environment. When these chemicals are Read more
ЁЯдФ *How ……..* тБЙ WORKING PRINCIPLE OF A DVD PLAYER?ЁЯТ┐ЁЯУА The DVD ( Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format invented and developed in 1995. DVD base layer made of a polycarbonate Read more
Thiruvananthapuram, earlier known as Trivandrum, is the capital city of Kerala. The name literally splits into ” *Tiru”,”Anantha””puram”* meaning “the town of Lord ANANTHA”. This is really true since the temple is at the heart of the town and for Read more
Vinayak Damodar Savarkar, 28 May 1883 тАУ 26 February 1966, commonly known as Swatantryaveer Savarkar or Veer Savarkar was an Indian independence activist and politician who formulated the Hindu nationalist philosophy of Hindutva. He was a leading personality in the Read more