Who observed that when the nucleus of uranium atom was bombarded with fast moving neutrons, it becomes so very unstable that it is immediately broken into two nuclie of nearly equal mass besides other fragments?
A
J.J. Thomson
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B
Chadwick
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C
Einstein
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D
Hahn and Strassmann
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Solution
The correct option is D Hahn and Strassmann Hahn and Strassmann discovered the phenomenon of nuclear fission in 1939.