Notes and Study material for Exams
rawan239 Importance of Science & Technology as an engine for national development- Industrial development & Urbanization Professor Freeman J. Dyson, of Institute of Advanced Studies, Princeton, in his book “Infinite in all Directions,” had this to say about Technology: “Technology is a gift of God. After the gift of Life, it is perhaps the … Read more
Government Of India Policy On Information Technology (IT) Government provides IT Resources to its employees to enhance their efficiency and productivity. These resources are meant as tools to access and process information related to their areas of work. These resources help Government officials to remain well informed and carry out their functions in … Read more
Working Principle And Use Of Generator 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 Join Our Telegram Channel Magnetic Field, EMF is induced and this … Read more
Food preservatives Food preservatives constitute a group of compounds of widely different molecular structures; they are organic and inorganic substances with different functional groups and tendencies to form ions. There are no procedures that are generally applicable to the analysis of preservatives as a class of food additive; the procedures are specific to … Read more
Slow reactions Chemical reactions that occur very slowly and can take a long time for completion are called slow reactions. Usually covalent compounds are involved in slow reactions.Some reactions can take days, weeks and months to complete; they are called very slow reactions.For example, Milk may take several hours or a day to convert to curd, while it … Read more
Factors affecting Photosynthesis Light Without light, a plant cannot photosynthesize very quickly, regardless of whether there are water and CO2 or not. But overdoing light is also not a good idea. In nature, balance is crucial. But increasing the intensity of light to a prudent limit will speed up the process. Carbon Dioxide … Read more
Endothermic Reactions Endothermic reactions are those chemical reactions where energy is absorbed by the system from the surroundings mostly in the form of heat. The concept is applied in the physical sciences like chemical reactions where hear is converted to chemical bond energy by way of experiments. Common examples of endothermic … Read more
Engineering plastics Engineering plastics are a group of plastic materials that have better mechanical and/or thermal properties than the more widely used commodity plastics (such as polystyrene, PVC, polypropylene and polyethylene). Being more expensive, engineering plastics are produced in lower quantities and tend to be used for smaller objects or low-volume applications (such … Read more
Enabling legislations, financial and procedural incentives, and business opportunities for investors Today, economy of India is the seventh largest in the world by nominal Gross Domestic Product (“GDP”) and third largest by purchasing power parity and the annual Growth rate of GDP has been 7.3% from 2011 to 2015. The country is classified … Read more
Elementary idea of LASER Laser, a device that stimulates atoms or Molecules to emit Light at particular wavelengths and amplifies that light, typically producing a very narrow beam of radiation. The emission generally covers an extremely limited range of visible, infrared, or ultraviolet wavelengths. Many different types of lasers have been developed, with … Read more