Physics and Chemistry-General Knowledge Questions and Answers

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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.

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 vonspace 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.

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.

Founder of scientific astronomy.


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.

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.