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evaporation

what causes water to evaporate every fluid (pure) has a definite vapor pressure at a fixed temperature , now if any how the partial presuure of the fluiid is less then the the vapor pressure of the fluid then the fluid starts evaporating to attain the partial pressure equal to the vapor pressure of the fluid, and then the equllibrium is reached and evaporation stops. basically at the top of the fluid there is a random motion of the fluid molecule due to the difference between the adhasive and cohesive forces, some molecule say 'n' goes into the vapur phase and some strikes back say m such that n>m then after the above explained condition is achived then the constraint m=n. conclusion whenever there is the fluid in liquid state is present then in that system partial pressure is exactly to the va...

The design of the policies and schemes meant to help farmers will greatly benefit intended beneficiaries if the definition of ‘farmers’ is unambiguous and comprehensive. Analyse.

Santhal Paragana Tenancy Act, 1949 : Overview and issues

Colonial Background:- Administrative division of Santhal Parganas covers the geographical area of Rajmahal hills, and valleys and plains area along the hills. This area was never under jurisdiction of any of the rulers before the arrival of colonial power, more so Damin–i-koh area ( Jungelarry tracts). This area was semi-independent country under Pahariya tribes .The East India Company introduced extractive zamindari system through Zamindars of Sultanbad (Maheshpur) and Ambar (Pakur) to maximise land revenue and also introduced market and monetary economy into the primitive tribal economy in the 18th century. These Zamindars, traders, money lenders, contractors, other service providers and company employees started exploiting the innocent tribal and evicted tribal from their own land. This led to Pahariya Sirkars in 1777-78 and more famous Santhal Insurrection (popularly called Hul) of 1855-57. During this time, British introduced a special system of administration and for this Act XXX...

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