Notes and Study material for Exams
Rotational Motion A rotation is a circular movement of an object around a center (or point) of rotation . A three-dimensional object always rotates around an imaginary line called a rotation axis. If the axis passes through the body’s center of mass, the body is said to rotate upon itself, or spin. A rigid body … Read more
Science & TechnologyFor Notes Click on the topics [su_posts template=”templates/list-loop.php” posts_per_page=”100″ tax_term=”1321″ tax_operator=”0″ order=”desc”] Physical Science (I)System of Units: MKS, CGS and SI (II)Definition of speed,velocity, gravity, mass, weight, force, impact, work,power and energy. (III)Solar System, relative position of Earth with respect to Sun and other planets, movement of earth and moon in solar system, lunar and … Read more
The Birth of Plate Tectonics: Arthur Holmes and the Convectional Current Theory The Earth’s surface is a dynamic tapestry of continents and oceans, constantly shifting and reshaping over millions of years. This dynamic nature, known as plate tectonics, is a fundamental concept in geology, explaining phenomena like earthquakes, volcanic eruptions, and mountain formation. However, the … Read more
The General Circulation of the Atmosphere: A Symphony of Winds and Weather The Earth’s atmosphere is a dynamic system, constantly in motion, driven by the uneven distribution of solar energy and the planet’s rotation. This movement, known as the general circulation of the atmosphere, is a complex interplay of winds, pressure systems, and temperature gradients … Read more
Holography Holography, means of creating a unique photographic image without the use of a lens. The photographic recording of the image is called a hologram, which appears to be an unrecognizable pattern of stripes and whorls but which—when illuminated by coherent Light, as by a laser beam—organizes the light into a three-dimensional representation of … Read more
Science And Technology In Ancient Period: Mathematics, Astronomy, Physics, Chemistry, Botany, Zoology, Physiology and Medicine (including Surgery), Ship- building, Mining and Metallurgy, Engineering and Architecture Like people in any other part of the world Indians too, have a rich legacy of scientific ideas. A desire to now the unknown, accompanied with experimentation and observation have … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> When a DC current passes through a long straight conductor a magnetising force, H and a static Magnetic Field, B is developed around it If the wire is then wound into a coil, the magnetic field is greatly intensified producing a static magnetic field around itself … Read more
Contribution of Indian Scientist: Scientist Achievement Homi Jehangir Baba Father of Indian Nuclear Programme, Carried out first nuclear test 1974, Atomic energy establishment was renamed Bhabha Atomic research centre. Venkatraman Ramakrishna Indian origin biologist cum scientist won nobel prize in 2009 in chemistry. He pioneered in the studies of the structure and function of … Read more
1.The Marathas were Scindia (Gwalior), Holkar (Indore), Gaekwar (Baroda), Bhonsle (Nagpur). 2.Sawai Jai Singh of Amer (Jaipur) had Euclid’s ‘Elements of Geometry) & several works on Trigonometry were translated into Sanskrit. Banda Bairagi was baptised as Banda Singh Bahadur by Guru Gobind Singh. 3.Alfonso d’ Albuquerque came to India as The Portuguese … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> , in physics, complete reflection of a ray of Light within a medium such as water or glass from the surrounding surfaces back into the medium. The phenomenon occurs if the angle of incidence is greater than a certain limiting angle, called the critical angle. In … Read more