Questions

J.M Keynes’ theory of employment is a demand-deficient theory. This means that Keynes visualised employment from the demand side of the model. His theory is a demand-oriented approach, as opposed to the classical supply side model.

According to him,the volume of employment in a country depends on the level of effective demand of people for goods and services. Thus, unemployment is attributed to the deficiency of effective demand.

Mesopotamian Civilization (4000 BC - 6th Cen. BC)

Egyptain Civilization (3400 BC - 1000 BC)

Harappan Civilization (2500 BC - 1750 BC)

Chinese Civilization (1765 BC - 250 BC)

The sentence is grammatically and contextually correct. ‘His’ is the correct form of pronoun to be used. Thus, the correct formation would be, ‘He reached his destination at night’.

An electric charge always flows from a body at higher potential to a body at a lower potential irrespective of the amounts of charges contained in them. In the question , no current flows. So there is no potential difference.