1. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

2. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879

3. Who invented google ?

Answer:

Larry Page

4. Who invented Submarine ?

Answer:

John Philip Holland

5. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

6. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

7. Who invented colour television ?

Answer:

Peter Carl Goldmark