Notes and Study material for Exams
P and SM (Preventive and Social Medicine) The name preventive and social medicine emphasizes the role of: Disease prevention in general through immunization, adequate Nutrition, etc. in addition to the routine hygiene measures, and Social factors in Health and disease. The name preventive and social medicine has gained wide acceptance in the past … Read more
Robotics Robotics is a branch of engineering and science that includes electronics engineering, mechanical engineering and computer science and so on. This branch deals with the design, construction, use to control robots, sensory feedback and information processing. These are some technologies which will replace humans and human activities in coming years. These robots … Read more
QUICK REVISION ( ARTICLE:3, SCIENCE): TYPE OF Nuclear Reactors COMPONENTS OF NUCLEAR REACTOR: Fuel: Usually pellets of uranium oxide (UO2) arranged in tubes to form fuel rods. The rods are arranged into fuel assemblies in the reactor core • Moderator: This is material which slows down the neutrons released … Read more
Health and Hygiene Maintaining personal hygiene is essential for more than one reason; social, health, personal, psychological or just as a way of life. Maintaining a good standard of hygiene helps keep infections, illnesses and bad odors at bay. The importance of hygiene should be taught from an early age to help cultivate good habits. … 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
Fuels are any material that store potential energy in forms, which upon burning in Oxygen liberates heat energy. Calorific value of fuel is the total quantity of heat liberated when a unit mass or volume of fuel is completely burnt. Higher or gross calorific value (HCV) in the total amount of heat produced … Read more
Measurement of any physical quantity involves comparison with a certain basic, arbitrarily chosen, internationally accepted reference standard called unit. The result of a measurement of a physical quantity is expressed by a number (or numerical measure) accompanied by a unit. A unit of measurement is a definite magnitude of a quantity, defined and adopted by … Read more
India’s Missile program Introduction India’s missile programme took a shot from space programme, beginning 1967. In 1972, Rohini- a 560 two-stage, solid propulsion sounding rocket was developed and test fired India first launched its small 17-tonne SLV-3 space booster in 1979 India successfully injected the 35 kg Rohini I satellite into … Read more
Applications of Space Technology in India agriculture Information on crop statistics is required for planning and DECISION MAKING purposes, such as, distribution and storage of food grains, Govt. policies, pricing, procurement and Food Security and so on. Ministry of Agriculture and Farmers’ Welfare effectively uses contemporary techniques of satellite remote sensing in such … Read more