Important Discoveries



Important Discoveries

Discovery Scientist Year
Laws of motion Newton 1687
Law of electrostatic attraction Coulomb 1779
Atom John Dalton 1808
Photography (On metal) J. Neepse 1826
Law of Electric resistance G.S. Ohm 1827
Law of floatation Arche modes 1827
Electromagnetic Induction Michael Faradav 1831
Photography (On paper) W. Fox Talbot 1835
Dynamite Nobel 1867
Periodic table Mandeleev 1888
X-Rays Roentgen 1895
Radioactivity Henry Becquerel 1896
Electron J J. Thomson 1897
Radium Madam Curie 1898
Quantum theory Max Plank 1900
Wireless Telegram Marconi 1901
Diode Bulb Sir J. S. Fleming 1904
Photo electric effect Albert Einstein 1905
Principle of Relativity Albert Einstein 1905
Triode Bulb Lee de Forest 1906
Discovery Scientist Year
Atomic Structure Neil Bohr & Rutherford 1913
Proton Rutherford 1919
Raman Effect C. V. Raman 1928
Neutron James Chadwick 1932
Nuclear Reactor Anrico Fermi 1942