Isothermal Lines

Isothermal Lines The “isothermal process”, which is thermodynamic process in which the temperature of a system remains constant. The transfer of heat into or out of the system happens so slowly that thermal equilibrium is maintained. “Thermal” is a term that describes the heat of a system. “Iso” means “equal”, so “isothermal” means “equal heat”, … Read more

Housing in India

Housing in India Issues related to housing sector in India Un-planned growth of settlements  A number of housing clusters have mushroomed in and around various metropolitan centres in haphazard and unplanned manner, without a proper layout and devoid of service lines and other essential facilities. These unauthorized developments are encroachments on land parcels belonging to … Read more

Spherical Coordinates and Projections,Time

Spherical Coordinates and Projections,Time Spherical coordinates can be a little challenging to understand at first. Spherical coordinates determine the position of a point in three-dimensional space based on the distance ρ from the origin and two angles θ and ϕ. If one is familiar with polar coordinates, then the angle θ isn’t too difficult to … Read more

Grassland

Grassland Grassland, area in which the vegetation is dominated by a nearly continuous cover of grasses. Grasslands occur in environments conducive to the growth of this plant cover but not to that of taller plants, particularly trees and shrubs. The factors preventing establishment of such taller, woody vegetation are varied. Grasslands are one of the … Read more

Mountains

Mountains Mountain, landform that rises prominently above its surroundings, generally exhibiting steep slopes, a relatively confined summit area, and considerable local relief. Mountains generally are understood to be larger than hills, but the term has no standardized geological meaning. Very rarely do mountains occur individually. In most cases, they are found in elongated ranges or … Read more

Broad Physical Feature

 Broad Physical Feature: Mountains, Plateaus, Plains, Lakes and Glaciers:-   Landforms are the natural features and shapes existent on the face of the earth. Landforms possess many different physical characteristics and are spread out throughout the planet. Together, landforms constitute a specific terrain and their physical arrangement in the landscape forms what is … Read more

Factors Controlling Landform Development

 Factors controlling landform development Landforms are individual expressions of terrain, from mountain peaks to level, featureless plains. While they sometimes seem stolid and inviolable, they are built up and destroyed by physical and chemical forces on a scale of time often dizzying to the human mind. From winds and floods to plant roots, … Read more

Seasonal Climatic Conditions In India

 Seasonal Climatic conditions in India Climate in India varies significantly from the permanently snow-capped Himalayas in the north to the tropics in the south. The country has four seasons. December to February is relatively dry and cool, March to May is dry and hot, from June to September predominating southwest maritime winds bring … Read more

Population Growth And Economic Development

 Population growth and economic development The effect of population growth on a society’s per capita output level depends on the pattern of population growth as also its institutional (organ­isational) framework. In other words, it depends on the age composition of the population. The pattern of spending reflects the age distribution. An ageing population—one … Read more