Notes and Study material for Exams
rawan239 A tsunami is a very long-wavelength wave of water that is generated by sudden displacement of the seafloor or disruption of any body of standing water. Tsunami are sometimes called “seismic sea waves“, although they can be generated by mechanisms other than Earthquakes. Tsunami have also been called “tidal waves”, but this … Read more
SEED Industry India is the fifth largest seed market across the globe. It is expected to grow at more than 15% during 2017–2022, and can reach a value of more than US$ 7 Billion by 2022. The seed market is majorly contributed by non-vegetable seeds such as corn, Cotton, paddy, wheat, sorghum, sunflower and Millets. … Read more
Iron and Steel Industry: Pig Iron Pig iron is the intermediate product of smelting of iron Ore with a high-carbon fuel such as coke and charcoal and is the basic raw material in Foundry and Casting Industry for the manufacture of various types of castings required for engineering sector. Pig iron usually has … Read more
Introduction India is very rich in forest Resources, with a large area under forest. All kinds of trees are found here varying from the deciduous, tropical hardwood trees to the evergreen and coniferous trees. Trees provide one with a wide range of products. From paper to paints, chemicals, housing and furniture, they … Read more
The uppermost outer solid and rigid layer of the earth is called crust. Its thickness varies considerably. It is as little as 5 km thick beneath the Oceans at some places but under some mountain ranges it extends upto a depth of 700km. Below the crust denser rocks are found, known as mantle crust. … Read more
Services SECTOR Introduction The services sector continued to be the key driver of India’s economic Growth contributing almost 72.5% of gross value added growth in 2017-18 while providing EMPLOYMENT to around 30% of Population (ILO estimates, 2016). The government has initiated many reforms to boost the sector which is expected to grow at 8.3% in … Read more
Alfred Wegner was a German Meteorologist in the early 1900s who studied ancient climates. Like most people, the jigsaw puzzle appearance of the Atlantic continental margins caught his attention. He put together the evidence of ancient glaciations and the distribution of fossil to formulate a theory that the continents have moved over the … Read more
Road sector Road transport is considered to be one of the most cost effective and preferred modes of transport, both for freight and passengers, keeping in view its level of penetration and last mile connectivity in populated areas. A good road Network is vital to the Economic Development and social integration of the country. It … Read more
The agricultural sector in India accounts for about 14% of GDP and 10% of export earnings. India’s arable land area of 159.7 million hectares (394.6 million acres) is the second largest in the world, after the USA. Its gross irrigated crop area of 82.6 million hectares 9215.6 million acres) is the largest in the world. … Read more
Most of the knowledge we have about Earth’s deep interior comes from the fact that seismic waves penetrate the Earth and are recorded on the other side. Earthquake ray paths and arrival times are more complex than illustrated in the animations, because velocity in the Earth does not simply increase with depth. Velocities generally … Read more