Inventions
Physics · आविष्कार
📋Quick Overview
Questions on 'Who invented what?' are asked in almost every competitive exam. This is pure memory — just remember the inventor and their invention. Some questions also ask the year. Focus on the top 25-30 inventions that are repeatedly asked.
📖Major Inventions & Inventors
| Invention | Inventor | Year | Country |
|---|---|---|---|
| Telephone | Alexander Graham Bell | 1876 | USA/Scotland |
| Dynamite | Alfred Nobel | 1867 | Sweden |
| Radio | Guglielmo Marconi | 1895 | Italy |
| X-Ray | Wilhelm Rontgen | 1895 | Germany |
| Electric Bulb | Thomas Edison | 1879 | USA |
| Television | John Logie Baird | 1926 | Scotland |
| Computer | Charles Babbage | 1822 | England |
| Printing Press | Johannes Gutenberg | 1440 | Germany |
| Steam Engine | James Watt | 1769 | Scotland |
| Penicillin | Alexander Fleming | 1928 | Scotland |
| Thermometer | Galileo Galilei | 1593 | Italy |
| Telescope | Hans Lippershey (improved by Galileo) | 1608 | Netherlands |
| Battery (Voltaic Pile) | Alessandro Volta | 1800 | Italy |
| Diesel Engine | Rudolf Diesel | 1893 | Germany |
| Aeroplane | Wright Brothers (Orville & Wilbur) | 1903 | USA |
| Radioactivity | Henri Becquerel | 1896 | France |
| Radium | Marie Curie & Pierre Curie | 1898 | France/Poland |
| Laser | Theodore Maiman | 1960 | USA |
| Transistor | John Bardeen, Walter Brattain, William Shockley | 1947 | USA |
| Electron | J.J. Thomson | 1897 | England |
| Proton | Ernest Rutherford | 1917 | New Zealand/England |
| Neutron | James Chadwick | 1932 | England |
| Theory of Relativity | Albert Einstein | 1905/1915 | Germany |
| Gravity (Law of) | Isaac Newton | 1687 | England |
| Sewing Machine | Isaac Singer | 1851 | USA |
| Cinematograph | Auguste & Louis Lumière | 1895 | France |
| Bicycle | Karl von Drais | 1817 | Germany |
| Stethoscope | René Laennec | 1816 | France |