Notes and Study material for Exams
Enlightenment and Industrial revolution Emergence and Background Beginning of geographical discoveries and direct sea routes opened new avenues of Trade and Commerce. It formed the bedrock of Industrial revolution as mismatch between demand and supply led to new innovative ways of enhancing production. Second factor was emergence of capitalist ideology. Profit making became the core … Read more
Motion Motion is a change in position of an object with respect to time. Motion is typically described in terms of displacement, distance, velocity, acceleration, time and speed. The branch of physics which deals with the study of motion of material objects is called mechanics. Mechanics is divided into following branches. (i) Statics : Statics … Read more
Various chemical and biological weapons chemical weapons A chemical weapon is any toxic chemical that can cause death, injury, incapacitation, and sensory irritation, deployed via a delivery system, such as an artillery shell, rocket, or ballistic missile. Chemical weapons are considered weapons of mass destruction and their use in armed conflict is a … Read more
Denudational Processes: Shaping the Earth’s Surface The Earth’s surface is a dynamic landscape constantly sculpted by a myriad of forces. Among these, denudational processes play a crucial role in shaping the topography, influencing the distribution of resources, and impacting human activities. Denudation, simply put, refers to the wearing down and removal of the Earth’s surface … Read more
Methods of production and manufacturing Washing soda The chemical name of washing soda is sodium carbonate decahydrate, and its chemical formula is Na2CO3.10H2O. So washing soda is hydrated salt of sodium carbonate containing 10 Molecules of water of crystallization. Sodium carbonate is manufactured by Solvay process. The manufacture of sodium carbonate by Solvay … Read more
Nature, types and Problems of Unemployment in India:-Unemployment may be defined as “a situation in which the person is capable of working both physically and mentally at the existing wage rate, but does not get a job to work”. India is one of those ill-fated underdeveloped countries which is suffering from a huge unemployment problem. … Read more