WBPSC Prelims and Mains Notes-WBPSC Test Series
The Aryans came to India in several waves. The earliest wave is represented by the Rig Vedic people who appeared in the subcontinent in about 1500 BC. They came into conflict with the indigenous inhabitants called the Dravidians mentioned as Dasa or Dasyus in Rig Veda. The Rig Veda mentions the defeat of Sambara … Read more
Aligarh Movement Sir Sayyed Ahmad Khan Deoband Represented by Mohammad Qasim Nanautavi & Rashid Ahmad Gangohi. Movement Nanautavi founded the ‘Dar-ul-Ullema’ madrasa at Deoband. This movement was strictly based on Islamic tradition unlike liberal Aligarh movement. The also promulgated a fatwa against Sayyid Ahmad’s associations. In 1919, Mufti Liyaqat Ullah Sahib founded … Read more
Rajaram Mohun Laid stress on the study of English & established the Hindu College in Calcutta Roy alongwith David Hare. Maharishi The grandfather of Rabindranath Tagore. He inspired a number of thinkers like Devendranath Ishwar Chandra Vidyasagar & Akshay Kumar Datta who became Brahmo Samaj Tagore members. … Read more
Kinetic theory of gases The kinetic theory describes a gas as a large number of submicroscopic particles (atoms or molecules), all of which are in constant rapid motion that has randomness arising from their many collisions with each other and with the walls of the container. According to kinetic theory of gases, the molecules of … Read more
Table of content Weathering Mass Wasting Erosion and Deposition Soil Formation Landscape (Geological) Cycles Davis Cycle Penck Cycle Weathering Weathering is the general term applied to the combined action of all processes that cause rock to disintegrate physically and decompose chemically because of ex- posure near the Earth’s surface through the elements of … Read more
Application of Satellites for different purposes Despite being a developing economy with its attendant problems, India has effectively developed space technology and has applied it successfully for its rapid development and today is offering a variety of space services globally. Indian Space Program: During the formative decade of 1960s, space research was conducted … Read more
The ultimate source of atmospheric energy is in fact heat and light received through space from the Sun. This energy is known as solar insolation. The Earth receives only a tiny fraction of the total amount of Sun’s radiations. Only two billionths or two units of energy out of 1,00,00,00,000 units of energy … Read more
Fairs of Rajasthan Banganga Fair:-It is said that the stream of Banganga was formed when Arjun, one of the Pandavas, shot an arrow to quench the thirst of dying Bhishma Pitamah, who was a brave warrior and had been badly wounded in the battle of Mahabharata. Chandrabagha Fair:-Thousands of devotees gather here at the … Read more
Solid State solid state is a compact state of matter. The solids are distinguished from a liquid or gas in terms of their rigidity which makes them occupy definite volume and have a well defined shape. In solid state, the constituent particles are in close contact and have strong forces of attraction between them. Solids … Read more
Solutions Solutions are homogeneous (single-phase) mixtures of two or more components. They are extremely important in Chemistry because they allow intimate and varied encounters between molecules of di?erent kinds, a condition that is essential for rapid chemical reactions to occur. Molarity: Molarity is defined as the number of moles of solute dissolved per litre of … Read more