Light Bulb was invented by Thomas Edison in 1879. Before Edison some scientists worked hard to produce the light bulbs but they were not succeeded. Finally Thomas Edison in 1879 by improving their design made it possible to invent first commercially used light Bulb.
Who invented the Light Bulb?
(A) Humphry Davy
(C) Thomas Edison
(D) None of the Above.
Correct Answer is C. Light Bulb was invented by Thomas Edison