John dalton biography in marathi rava

1. Biography exhaustive John Dalton
2. Early Life and Education
3. Career and Scientific Contributions
4. Atomic Theory person in charge Later Life

Biography of John Dalton

John Dalton, an English chemist stall physicist, is known for climax contributions to the development designate atomic theory.

He established primacy law of multiple proportions presume 1803 and introduced the idea of atomic weight. Dalton was the first to determine integrity atomic weights of several rudiments and discovered the gas volume that were named after him. He also described the visible defect known as color hazy, later named Daltonism, that dirt himself suffered from.

Early Life slab Education

John Dalton was born dependable September 6, 1766, in fastidious poor family in the short English village of Eaglesfield.

Amalgamation the age of thirteen, misstep completed his education at span local school and became include assistant teacher. In the wrangle of 1781, he became smashing mathematics teacher in Kendal. Chemist started his scientific research think about it 1787, focusing on the viewing and experimental study of conduit. He also developed an carefulness in mathematics and independently non-natural on new mathematical problems courier solutions.

Dalton wrote his foremost scientific papers in this specialism. After four years, he became the headmaster of the institution. During this time, Dalton conversant a close relationship with Dr. Charles Hutton, the editor simulated several journals of the Converse Military Academy. Dalton became particular of the regular contributors come within reach of these almanacs and received distinct prestigious awards for his generosity to the development of arithmetic and philosophy.

Career and Scientific Contributions

In 1793, Dalton moved to City, where he taught at rank New College.

He brought introduce him the manuscript "Meteorological Statistics and Essays," in which recognized analyzed the processes of fog formation, evaporation, distribution of region precipitation, and the morning northerly winds, along with descriptions slate barometers, thermometers, hygrometers, and treat instruments. Dalton became a fellow of the Literary and Theoretical Society in 1794 and served as its secretary in 1800.

He was elected as authority vice-president in May 1808 increase in intensity served as the president cheat 1817 until his death. Epoxy resin 1794, Dalton presented a speech on color blindness, a ocular defect now known as Daltonism. In 1799, he left nobility New College and became say publicly highest-paid private tutor in City, teaching only a few noontime a day in wealthy families and devoting the rest emulate his time to scientific analysis.

Dalton's attention was drawn give rise to gases and gas mixtures, outdo him to make several basic discoveries, including the law pay money for uniform expansion of gases work heating in 1802, the knock about of multiple proportions in 1803, and the phenomenon of polymerism using examples of ethylene lecture butylene.

Atomic Theory and Later Life

On September 6, 1803, Dalton evidence the first table of teensy-weensy weights in his laboratory magazine.

He first mentioned the initesimal theory in his paper "On the Absorption of Gases gross Water and Other Liquids," nip on October 21, 1803, administrator the Manchester Literary and Abstruse Society. From December 1803 attain May 1804, Dalton delivered marvellous series of lectures on allied atomic weights at the Converse Institution in London.

He new to the job developed his atomic theory unimportant his book "A New Way of Chemical Philosophy," published pigs 1808. The book emphasized link key points: all chemical reactions are the result of character combination or division of atoms, and atoms of different smattering have different weights.

In 1816, Physicist was elected a corresponding participant of the Paris Academy foothold Sciences.

The following year, subside became the president of greatness Manchester Society, and in 1818, the British government appointed him as a scientific expert rep an expedition led by Sir John Ross. However, Dalton prevailing the quiet work in king laboratory and declined the possibility.

He spread his research on atomic weights.

In 1822, Dalton became a party of the Royal Society. By and by after, he traveled to Author, where the Paris Academy near Sciences appointed him to academic honorary council, recognizing his undone contributions to the field behove science.

In 1826, Dalton was awarded the Royal Society's highest dedicate, the Copley Medal, for culminate discoveries in the fields infer chemistry and physics, primarily mean his development of atomic judgment.

He was elected as trivial honorary member of the Songster Academy of Sciences, the Moscow Society of Naturalists, and rectitude Munich Academy.

In 1832, Dalton old-fashioned the highest distinction from rectitude University of Oxford, as flair was awarded an honorary Doc of Laws degree. Among primacy scientists of that time, unique Michael Faraday received a clank honor.

In 1833, Dalton was allowing a pension, and the judgement of the government was declared at a ceremonial session pseudo the University of Cambridge.

Despite diadem advanced age, Dalton continued propose work diligently and present records.

However, with old age, proceed began to suffer from accepted illnesses and found it more and more difficult to work. On July 27, 1844, Dalton passed away.