Wednesday, September 23, 2009

Gk Watch


Who discovered natural radioactivity


Ans : Hentry Bequeral


Hydrogen was discovered by


Ans : Cavendish


Who invented Microprocessor


Ans : Ted Hoff


Name the scientist who proposed Doppler Effect


Ans : Christian Doppler


Who discovered Argon


Ans : Ramsay


Name the scientist who proposed pH value


Ans : Sorenson


Who discovered the Law of Gravitation


Ans : Sir Isaac Newton


Who discovered penicillin


Ans : Alexander Fleming


Who invented dynamite


Ans : Alfred Nobel

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