1. Who invented Television ?

Answer:

John Logie Baird

2. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

3. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

4. Who invented Vitamin A ?

Answer: Mc Collum and M.Davis of U.S.A. in 1913

5. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

6. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

7. Who invented Calculus ?

Answer: Newton of Britain in 1670.