invention & discovery in science

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www.tnpscquestionpapers.com www.tnpscquestionpapers.com Page 1 Inventions & Discoveries in Science No. Inventor / Discoveror Invention / Discovery Year 01 A.Avogadro Molecular Hypothesis 1811 02 A.Becquerel Principle of Photo-electric Cell 1839 03 A.Becquerel Radio-activity 1896 04 A.Binet & T.Simon Intelligence Testing,Modern 1905 05 A.Einstein Theory of Relativity 1905 06 A.Lavoisier Nature of Combustion 1777 07 Archimedes Theory of Displacement of water 3rd century 1859 08 Charles Darwin Theory of Evolution by Natural by Natural Selection 1896 09 Charles Darwin Orign of Species 1737- 53 10 C.Linneaus Classification of Plants and Animals 1869 11 D.Mendeleev Periodic Table 1912 12 F.Soddy Theory of Isotopes 1590 13 Galileo Laws of FAlling bodies 1865 14 G.Mendel Laws of Heredity 1827 15 G.S.Ohm Ohm's Law 1827 16 Strassman,Hahn,Bohr,Fermi Uranium Fission Theory 1781 17 H.Cavendish Synthesis of Water 1886 18 Heinrich Hertz Electro-magnetic Waves - 19 H.G.Khorana Genetic Code 1913 www.tnpscquestionpapers.com

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Inventions and discoveries of science

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Page 1: Invention & Discovery in Science

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Inventions & Discoveries in Science

No. Inventor /

Discoveror Invention / Discovery Year

01 A.Avogadro Molecular Hypothesis 1811

02 A.Becquerel Principle of Photo-electric Cell 1839

03 A.Becquerel Radio-activity 1896

04 A.Binet & T.Simon Intelligence Testing,Modern 1905

05 A.Einstein Theory of Relativity 1905

06 A.Lavoisier Nature of Combustion 1777

07 Archimedes Theory of Displacement of water 3rd century

1859

08 Charles Darwin Theory of Evolution by Natural by Natural Selection

1896

09 Charles Darwin Orign of Species 1737-

53

10 C.Linneaus Classification of Plants and

Animals 1869

11 D.Mendeleev Periodic Table 1912

12 F.Soddy Theory of Isotopes 1590

13 Galileo Laws of FAlling bodies 1865

14 G.Mendel Laws of Heredity 1827

15 G.S.Ohm Ohm's Law 1827

16 Strassman,Hahn,Bohr,Fermi Uranium Fission Theory 1781

17 H.Cavendish Synthesis of Water 1886

18 Heinrich Hertz Electro-magnetic Waves -

19 H.G.Khorana Genetic Code 1913

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20 H.Moseley Atomic Number 1687

21 I.Newton Laws of Gravitation 1687

22 J.C.Maxwell Electromagnetic Theory of

Light 1803

23 John Dalton Atomic Theory 1808

24 John Dalton Laws of Multiple proportion 1809

25 Joseph Gay-Lussac Laws Governing Gases 1910

26 Pavlov Theory of Conditioned Reflex 1851

27 Kelvin Dynamite Theory of Heat 1876

28 Louis Pasteur Germ Theory 1901

29 Max Von Planck Quantum Theory of radiation 1675

30 O.Romer Velocity of Light 1859

31 R.Bunsen & G.Kirchhoff Spectrum Analysis 1918

32 Rutherford Atom Smashing Theory 1904

33 Sigmund Freud Theory of Psycho-analysis 1892

34 Steinmetz Laws of Alternating Current 1924

35 L.Victor de Briglie Wave nature of electron 1621

36 W.Shell Laws of Refraction of Light 1895

37 Rontgen X-rays -

38 I.Newton Laws of motion 1800

39 Volta Current electricity and

electrical battery 1774

40 Priestley Oxygen 1897

41 J.J.Thomson Electron 1766

42 Cavendish Hydrogen 1841

43 Faraday Electromagnetic Induction -

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44 Faraday Laws of electrolysis 1759

45 Benjamin Franklin Lightning Conductor -

46 Louis Braille Printing for the blind 1898

47 Madam Marie Curie Radium -

48 Funk Vitamins 1882

49 Louis Pasteur Germ theory: Hydrophobia Antitoxin;Anti-rabies

treatment

-

50 Hahnemann Homoeopathy 1932

51 Banting Insulin (cure of diabetes) -

52 U.N.Brahmachari Cure of Kala-azar fever -

53 Ronald Ross Malaria Parasites 1929

54 Alexander Fleming Penicillin 1796

55 Edward Jenner Small-pox vaccination 1609

56 Kepler Laws of planetary motion 1882

57 Robert Koch Tuberculosis bacilli -

58 J.Dalton Law of partial pressures -

59 Otto Hahn Atom bomb -

60 C.V.Raman Raman Effect 1867

61 Joseph Lister Antiseptic Surgery -

62 Leeuwenhock Bacteria 1628

63 Harvey Blood circulation and functioning of heart

-

64 Landsteiner Blood transfusion -

65 Harrison and Simpson Chloroform 1884

66 Robert Koch Cholera Bacillus 1897

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67 Eijkman Cause of beriberi

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