1. Who invented Radiocarbon ?

Answer:

Willard Libby

2. Who invented c language

Answer:

Dennis Ritchie

3. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

4. Who invented Helicopter ?

Answer:

Igor Sikorsky

5. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

6. Who invented by Electric Lamp ?

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

7. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913