regional indicators

It is the most important parameter indicating the pressure of population on land, water and other resources. Usually, higher population density (expressed as number of people (square kilometers) is found in urban areas than in rural areas. Regional disparities of density of popu..

Population Density - It is the most important parameter indicating the pressure of population on land, water and other resources. Usually, higher population density (expressed as number of people (square kilometers) is found in urban areas than in rural areas. Regional dispariti..

It indicates the fertility of women. TFR indicates how many among reproductively potential women can actually produce children. The parameter like TFR as percentage of fertile women in a total population or as percentage of reproductively active population (male and female) ..

Shapes of Atomic Orbitals - An atomic orbital is the space around the nucleus in which the probability of finding the electron is maximum. These most probable regions can be diagrammatically represented by cloud density (dot) diagrams. The density of dots (or lack of them) in any reg..

The core consists of two parts: the inner core and outer core. The outer core begins about 2,900 kilometers below the earth's surface. Scientists believe that the outer core is about 2,250 kilometers thick and is made of melted iron and nickel. The temperature of the outer core ranges from about 45..

Magnetic Fields and Field Lines - If a small compass needle is placed at a point near the north pole of a bar magnet, the needle turns round on its pivot and settles in a fixed direction as shown in figure. At other points away from the pole the needle settles tangent to the field lines shown. The ..

Junction Transistor - It is a semiconductor device having two junctions and three terminals. The two types of transistors are p-n-p transistor and n-p-n junction transistors. A p-n-p transistor is obtained by sandwiching a n-type semiconductor between two p-type semiconductors. Similarly when a p-t..

Geological Distribution - The organisms show particular patterns of distribution on earth. The distribution of the species give an indication of how the earth was earlier. It is believed that the earth was a single mass called the Pangea. It consisted of two large continental masses calle..

Formation of Our Solar System - Many scientists believe that our solar system was formed from a giant, rotating cloud of gas and dust known as the solar nebula. According to this theory, the solar nebula began to collapse because of its own gravity. Some astronomers speculate that a nearby supernov..