Science Tech

  QUICK REVISION: Art 4, Institutional structure for Nuclear energy:   ATOMIC ENERGY COMMISSION: Governing body of the department of Atomic energy It is directly under the charge of the Prime Minister Set up on 10Aug, 1948 Function: Organise research in atomic science To train atomic scientist in the country To promote nuclear research in … Read more

Communication infrastructure of India The Communication Industry in India is one of the rapidly emerging sectors in India. The growth in communication industry is triggered by an increase in the revenues generated from both landline and mobile facilities. Telecommunication is the transmission of messages over distances for the purpose of communication. Telecommunications play an important … Read more

 Definition of Horticulture: Horticulture may be broadly defined as the Science and art of growing fruits, vegetables and flowers and crops like spices condiments and other plantation crops. It is a science of cultivation of Garden plants. The word Horticulture in derived from the Latin word Hortus meaning enclosure (garden) and culture – meaning, … Read more

 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 forming the shape of a bar magnet giving … Read more

 e-learning A learning system based on formalised teaching but with the help of electronic resources is known as E-learning. While teaching can be based in or out of the classrooms, the use of computers and the Internet forms the major component of E-learning. E-learning can also be termed as a network enabled transfer … Read more

 Harmful bacteria Pathogenic Bacteria These bacteria cause great losses to plant and animal popula­tion by causing several diseases. Reduction of Soil Fertility Some facul­tative anaerobic bacteria are available mostly in the oxygen deficient soil which reverse the nitrifying process, thereby causing the loss of a part of its combined nitrogen. They break down the … Read more

 Generator is a machine that converts mechanical energy into electrical energy. It works based on principle of faraday law of electromagnetic induction. The faradays law states that whenever a conductor is placed in a varying magnetic field, EMF is induced and this induced EMF is equal to the rate of change of flux linkages. … Read more

 When it comes to working with electrical equipment, putting safety precautions in place for any electrical project is always a top priority. From basic knowledge and equipment safety to personal precautions and equipment performance, knowing what to do to help prevent injuries and ensure safety can be a lifesaver. Avoid Water   A critical … Read more

Quick Revision ( Science Series, Art 2):   Nuclear Technology, Radioactivity And Its Application     Nuclear technology:        Nuclear technology is technology that involves the nuclear reaction of atomic nuclei. Among the notable nuclear technologies are nuclear reactors, nuclear medicine and nuclear weapons.   BASIC CONCEPTS: Nuclear energy: The energy produced due to changes in the … Read more

 Structure of flower and reproduction process The Female Reproductive Organ: The Carpel The female parts of a flower consist of an ovary, which contains one or more ovules, a style and the stigma. The ovary is at the base of the flower.  From the ovary, extends a tubular structure called the style and … Read more