General knowledge Questions and Answers
GK questions from important Inventions in physics and Chemistry
| Anderson | Discovered positive electrons. |
| Archimedes | Discovery of the Principles of lever and of specific gravity; invention of the famous Archimedean screw. |
| Avogadro | An Italian scientist known for Avogadro’s Hypothesis. |
| Bacquerel | Radio-activity of uranium. |
| Baird | Television. |
| Baron Napier | Logarithms. |
| Benjamin Franklin | Invented lightning conductor. |
| Bessemer |
Steel smelting process. |
| Bhabha, Dr H.J. | Research in Cosmic rays and Quantum theory. |
| Binet | Intelligence Test. |
| Birbal Sahni | Researches in Botany. |
| Bose, J.C. | Invented Crescograph and published many works on plant physiology. He discovered that plants have sense and perception. |
| Bose, S.N. | Discovery of a group of nuclear particles named after him “Boson”. |
| Boyle | Boyle’s law; Pressure x volume = constant at a constant given temperature. Boyle was the greatest scientist of England in his time. |
| Bohr | Electron Theory—Atomic structure. |
| Braun, Dr Wernher von | space flying. |
| Bunsen | Invention of the spectroscope. |
| Carothers | Nylon plastics. |
| Cavendish | Discovery of chemical composition of water; discovery of hydrogen (Inflammable Air); ‘rare gases’. |
| Chadwick | Discovery of the neutron. |
| Chandrasekhar | Mathematical Astrophysics. |
| Charles Darwin | Theory of Evolution; Origin of Species. |
| Clarke, Arthur C. | Concept of Geostationary Orbit. |
| Curie, Madame | Discovery of radium. |
| Dalton | Atomic theory; laws of chemical combination; law of partial pressures; the law of multiple proportions. |
| Democritus | Greek philosopher—(Atomic theory). |
| Dewar | Invented cordite, liquid oxygen and introduced thermos flask. |
| Einstein |
Theory of relativity. |
| Euclid | Science of geometry. |
| Fahrenheit | Fahrenheit mercury thermometric scale in which freezing point is –32° and boiling point is 212°. |
| Faraday | Electromagnetic induction and laws of electrolysis. |
| Fermi | Discovered artificial splitting of atoms. |
| Freud | Doctrine of Psycho-analysis. |
| Gay Lussac | Law of gases. |
| Gauss | System of absolute electric measurements. |
| Good Year | Discovered the art of vulcanising rubber. |
| Herschel, William | Discovered the Planet—Uranus. |
| Hertz | Electrical waves. |
| Hippalus |
Founder of scientific astronomy. |
|
Hoffmann |
Discovered the first aniline dye. |
| Kelvin, Lord | Dynamical theory of heat. |
| Khorana, Dr Hargobind | Deciphering the genetic code. |
| Kodak | Film and photographic goods. |
| Lablanc | Manufacture of washing soda. |
| Lawrence | Invention of cyclotron. |
| Lockyer |
Helium gas. |
| Louis Braille | Perfected his system of reading and writing for the blind |
| Marconi | Wireless telegraphy; radio. |
| Maria-Montessori | ‘Montessori’ method of teaching children. |
| Maxwell | Electro-magnetic Theory of Light. |
| Meghnad Saha | Effect of pressure on Radiation through bodies. |
| Mendel | Laws of heredity. |
| Mandeleev | Periodic Table. |
| Morse | Morse system of electric telegraphy. |
| Newton | Laws of gravitation; Law of Motion. |
| Nobel | Dynamite. |
| Oliver Lodge | Physicist. Researches in wireless communications. |
| Oppenheimer | Researches in atomic theory. |
| Otto Hahn | Discovery of uranium fission. |
| Parkes | Celluloid. |
| Parsons | Steam turbine. |
| Pavlov | Theory of Conditioned Reflex. |
| Perkin | ‘Mauve dye’. |
| Pitman | Founded the Pitman system of phonographic shorthand. |
| Planck | Quantum theory. |
| Plimsoll | Introduced a line of demarcation on the ships beyond which the ships cannot be loaded. |
| Priestley | Discovery of Oxygen. |
| Raman, C.V. | “Raman Effect” on polarisation of light and theories on crystals and diamond formation. |
| Ramanathan | Molecular scattering of light in fluids. |
| Ramanujam | A great Indian mathematician. |
| Ramsay | Discovery of Inert gases such as Argon, Neon, Helium etc. |
| Ray, P.C. | Researches in chemistry. |
| Regnault | Experiments in regard to the physical properties of bodies and their relation to heat. |
| Roger Bacon | Gun powder. |
| Rontgen | Discovery of X-rays. |
| Rohmkorff | Induction coil. |
| Rutherford | Atomic Research; succeeded in splitting the atom for the first time in 1918. |
| Shalimar | Paints. |
| Stephenson | British engineer and pioneer in Railways. He was the first to put a locomotive on the line that was able to draw a train of 31 carriages. |
| Thomson, J.J. | Discovered electron. |
| Travers | Discovery of Neon gas (Working with Ramsay). |
| Urey | Discovery of Heavy Hydrogen. |
| Volta | Current electricity and electric battery. |