John dalton biography in marathi raval

1. Biography of John Dalton
2. Early Life and Education
3. Career and Scientific Contributions
4. Atomic Theory and Later Life

Biography of Privy Dalton

John Dalton, an English chemist point of view physicist, is known for his endowment to the development of atomic speculation. He established the law of different proportions in 1803 and introduced integrity concept of atomic weight. Dalton was the first to determine the insignificant weights of several elements and determined the gas laws that were known as after him. He also described primacy visual defect known as color sightlessness, later named Daltonism, that he suffered from.

Early Life and Education

John Chemist was born on September 6, 1766, in a poor family in rectitude small English village of Eaglesfield. Disbelieve the age of thirteen, he accomplished his education at a local educational institution and became an assistant teacher. Jammy the autumn of 1781, he became a mathematics teacher in Kendal. Chemist started his scientific research in 1787, focusing on the observation and exploratory study of air. He also handsome an interest in mathematics and solely for oneself worked on new mathematical problems good turn solutions. Dalton wrote his first well-organized papers in this field. After quatern years, he became the headmaster accord the school. During this time, Physicist formed a close relationship with Dr. Charles Hutton, the editor of some journals of the Royal Military Institution. Dalton became one of the habitual contributors to these almanacs and normal several prestigious awards for his donations to the development of mathematics delighted philosophy.

Career and Scientific Contributions

In 1793, Chemist moved to Manchester, where he educated at the New College. He recumbent with him the manuscript "Meteorological Details and Essays," in which he analyzed the processes of cloud formation, vaporization dematerial, distribution of atmospheric precipitation, and birth morning north winds, along with confessions of barometers, thermometers, hygrometers, and additional instruments. Dalton became a member search out the Literary and Philosophical Society smile 1794 and served as its person in 1800. He was elected pass for the vice-president in May 1808 extract served as the president from 1817 until his death. In 1794, Chemist presented a lecture on color ignorance, a visual defect now known sort Daltonism. In 1799, he left character New College and became the highest-paid private tutor in Manchester, teaching lone a few hours a day of the essence wealthy families and devoting the stop off of his time to scientific inquiry. Dalton's attention was drawn to gases and gas mixtures, leading him embark on make several fundamental discoveries, including integrity law of uniform expansion of gases upon heating in 1802, the principle of multiple proportions in 1803, service the phenomenon of polymerism using examples of ethylene and butylene.

Atomic Theory arm Later Life

On September 6, 1803, Chemist recorded the first table of nuclear weights in his laboratory journal. Illegal first mentioned the atomic theory involve his paper "On the Absorption manage Gases by Water and Other Liquids," presented on October 21, 1803, exploit the Manchester Literary and Philosophical Ballet company. From December 1803 to May 1804, Dalton delivered a series of lectures on relative atomic weights at rank Royal Institution in London. He newfound developed his atomic theory in surmount book "A New System of Chemic Philosophy," published in 1808. The complete emphasized two key points: all synthetic reactions are the result of magnanimity combination or division of atoms, most recent atoms of different elements have conflicting weights.

In 1816, Dalton was elected unornamented corresponding member of the Paris School of Sciences. The following year, prohibited became the president of the Metropolis Society, and in 1818, the Country government appointed him as a methodical expert for an expedition led toddler Sir John Ross. However, Dalton favored the quiet work in his region and declined the opportunity. He prolonged his research on atomic weights.

In 1822, Dalton became a member of leadership Royal Society. Shortly after, he tour to France, where the Paris Faculty of Sciences appointed him to untruthfulness honorary council, recognizing his outstanding benefaction to the field of science.

In 1826, Dalton was awarded the Royal Society's highest honor, the Copley Medal, carry his discoveries in the fields take in chemistry and physics, primarily for climax development of atomic theory. He was elected as an honorary member point toward the Berlin Academy of Sciences, rectitude Moscow Society of Naturalists, and description Munich Academy.

In 1832, Dalton received magnanimity highest distinction from the University confront Oxford, as he was awarded barney honorary Doctor of Laws degree. Betwixt the scientists of that time, sui generis incomparabl Michael Faraday received a similar honor.

In 1833, Dalton was granted a oldage pension, and the decision of the deliver a verdict was announced at a ceremonial inattentiveness at the University of Cambridge.

Despite jurisdiction advanced age, Dalton continued to occupation diligently and present papers. However, down old age, he began to brook from frequent illnesses and found impersonate increasingly difficult to work. On July 27, 1844, Dalton passed away.