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The Satavahanas

February 27, 2021

Satavahanas became prominent in the Indian political scene sometime in the middle of the first century BC. Gautamiputra Satakarni (first century AD) is considered to be the greatest of the Satavahana rulers

Laws of Reflection of Light

February 27, 2021

Suppose a ray of light (IO) falls on a reflecting surface AB at O, after reflection it goes along OR. The reflection of light from the surface takes place according to the following two laws.

Land Use

February 27, 2021

Out of the total geographical area (328 million hectares), land utilisation statistics are available for 305 million hectares only. The balance 23 million hectares remains unsurveyed and inaccessible.

Kalinga

February 26, 2021

The Deccan as well as eastern India were parts of Ashoka’s empire. He had conquered Kalinga through a violent battle in which loss of men and property was enormous. It was as a result of the Mauryan rule in these regions that after its decline we notice the emergence of kingdoms in Kalinga and the Deccan for the first time in the Indian history.

Planned Economy

February 26, 2021

India is a planned economy. Its development process has been continuing through five year plan since the first plan period during 1951-56. The advantage of planning is very well known.

Reflection of Light

February 26, 2021

Light is the common form of energy. It makes the objects visible to us. When you see an object you do so because light from the object enters in your eyes. Some objects such as sun, stars, burning candles, lamp, etc. which emit light by their own are called luminous objects.

Land Resource

February 26, 2021

Land is basic resource. Throughout history, we have drawn most of our sustenance and much of fuel, clothing and shelter from the land. It is useful to us as a source of food, as a place to live, work and play.

The Kushans

February 25, 2021

The Kushanas, originally belonged to western China. They are also called Yueh-chis. The Kushanas after defeating Shakas and Pahlavas created a big empire in Pakistan. The first prominent ruler of the Kushana dynasty was Kujula Kadphises.

Higher Rate of Capital Formation or Investment

February 25, 2021

At the time of independence, one of the major problem of Indian economy was deficiency in capital stock in the form of land and building, machinery and equipment, saving, etc.

Specific Thermal Capacity of Material

February 25, 2021

When two bodies at different temperatures are kept in contact, heat is transferred from the hot body to the cold body till both of them acquire the same temperature. The two bodies then are called in thermal equilibrium. In acquiring thermal equilibrium the hot body loses heat and the cold body acquires an equal amount of heat.

Distribution of Abiotic Resources

February 25, 2021

Abiotic resources include land resources, water resources and mineral resources.

The Parthians

February 24, 2021

The Parthians were of Iranian origin and because of strong cultural connection with the Shakas, these groups were referred to in the Indian sources as Shaka-Pahlava.

Poverty and Inequality

February 24, 2021

Another very disheartening thing about India is that it has world’s largest number of poor people. As per reports of government of India, in 2011-12 about 269.3 million people in India were poor. This was about 22 percent of India's population.

Distribution of Biotic Resources

February 24, 2021

When we use the term ‘distribution’ in the discipline of geography our main concern remain with geographical or spatial distribution of geographical phenomena. Otherwise, distribution for a sociologist primarily mean distribution among different social classes in a society.

The Shakas

February 23, 2021

Shaka is the Indian term used for the people called Scythians, who originally belonged to central Asia. Defeated by their neighbours the Yueh-chis (the tribal stock to which the Kushanas belonged) they gradually came to settle in northwestern India around Taxila in the first century BC.

Thermal Expansion

February 23, 2021

Every material (except water which contracts on heating from 0°C to 4°C) expands on heating. The increase in the size of a body on heating is called thermal expansion.

Classification of Resources

February 23, 2021

Resources can be classified in several ways: one the bases of (i) renewability, (ii) origin and (iii) utility. The objective of classification would primarily decide how we put a resource under a particular category.

The Bactrians or the Indo-Greeks

February 22, 2021

After the death of Alexander in 323 BC, many Greeks came to settle on the northern western borders of India with Bactria (area to the north-west of the Hindukush mountains in the present day north Afghanistan) as an important centre.

Meaning and Significance of Resource

February 22, 2021

The term resource generally means the things of utility for the humans. It could be both natural as well as cultural. Humans develop technologies to utilise nature favourably.

The Shungas

February 21, 2021

The last Mauryan king was killed by his Commander-in-Chief, Pushyamitra Shunga, who then established his own dynasty in north India. It came to be known as Shunga dynasty.

Effects of Heat

February 21, 2021

When a body is heated changes may occur in some of its properties .These changes are the effects of heat.

Cyclones

February 21, 2021

Cyclones are centers of low atmospheric pressure, in which the air pressure increases from the centre to the outer areas. Consequently winds flow from outside to the centres. In cyclones winds blow in an anti-clockwise direction in the northern hemisphere and in clockwise in the southern hemisphere.

Earthquake

February 20, 2021

Sudden shaking or trembling of the earth surface is an earthquake. Most earthquake are a minor tremor. Larger earthquakes usually begin with slight tremors but suddenly they turn into violent shocks and after that the intensity of shocks diminishes.

Post mauryan Developments

February 20, 2021

Mauryan Empire was spread over a large part of the Indian sub-continent and also included Kandahar in modern Afghanistan. In around 187 BC, the Mauryan Empire met its end.