1. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

2. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

3. Who invented Radiocarbon ?

Answer:

Willard Libby

4. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

5. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

6. Who invented Floppy disk ?

Answer: IBM in 1970

7. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644