IMPORTANT INVENTION & DISCOVERIES (UPSC and other Competitive exams) Part 1


important invention and discoveries

IMPORTANT INVENTION & DISCOVERIES

if you are preparing for any competitive exams so you need to take a look on this series. There are the most expected question that you might face in your upcoming exams


30 most common inventions and discoveries frequently asked in exams

pdf at the bottom

1.   Computer
Charles Babbage 1822

   2.  Television
John logie baird (in 1962)

3.  Car
Karl Benz (1885)

4.   Telephone
Alexander Graham Bell (1876)

5.   Bulb
Thomas Alva Edison (1876)

6.   Calculator
Blaise Pascal (1642)


7.   Dynamite
Alfred Nobel (1862)


8.   Radio
Gugliemo Marconu (1901)


9.   Air Conditioner
Willis Carrier (1902)


10.         Bicycle
Kirkpatrick Macmillan (1839)


11.         Vaccine
Edward Jenner


12.         DNA
Watson & Crick


13.         Blood Groups
Karl Landsteiner


14.         X Rays
William Roentgen


15.         Radioactivity
Henry Becquerel


16.         Electron
J J Thompson


17.         Proton
Rutherford


18.         Neutron
Chadwick


19.         Electric Iron
Henry Seeley


20.         Radium
Marie and Pierre Curie


21.         Vulcanized Rubber
Charles Goodyear


22.         Waterproof Rubber
Machintosh


23.         Revolver
Samuel Colt


24.         Printing Press
Gutenberg


25.         Theory of Evolution
Charles Darwin


26.         Lift (Elevator)
Elisha Otis


27.         Fountain Pen
Waterman


28.         Safety pin
Walter Hunt


29.         Typewriter
Christopher Scholes


30.         Telescope
Hans Lippershey



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