Science Tech

 , Construction working, uses, ray diagram Simple telescope A simple working telescope requires nothing more than a pair of lenses mounted in a tube. The lens in front, known as the objective, focuses an image; the lens in back, known as the eyepiece, magnifies the image. Although it may seem like a crude device, … Read more Simple Telescope And Astronomical Telescope

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 Mains Booster-Communication infrastructure of India

  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 QUICK REVISION: Art 4, Institutional structure for Nuclear energy

 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 Working Principle And Use Of Generator

 Vector borne diseases Main vectors and diseases they transmit Vectors are living organisms that can transmit infectious diseases between humans or from animals to humans. Many of these vectors are bloodsucking insects, which ingest disease-producing microorganisms during a blood meal from an infected host (human or animal) and later inject it into a new … Read more Vector Borne Diseases