Questions

In 1782 Colebrooke was appointed through his father's influence to a writer-ship with the East a India Company in Calcutta.Lord Wellesley appointed him honorary professor of Hindu law and Sanskrit at the college of Fort William.

Arati Saha was the first Indian woman to cross English Channel (between England and France) in the year 1959. She was born in 1940 in Kolkata.

Christianity was founded by hesus Christ in Jerusalem, capital of Israel.

The purpose of defibrillation is to stop the chaotic, disorganized contraction of the cardiac cells. Defibrillation is a technique used in emergency medicine to terminate ventricular fibrillation or pulseless ventricular tachycardia. It uses an electrical shock to reset the electrical state of the heart so that it may beat to a rhythm controlled by its own natural pacemaker cells.

Crystal size in igneous rocks is determined by rate of cooling i.e, the time taken by magma to cool down. 

Hence, the slower the rate of cooling the larger the crystals. The faster the rate of cooling the smaller the crystals.