1. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

2. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

3. Who invented Java Language ?

Answer:

James Gosling

4. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

5. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

6. Who invented Floppy disk ?

Answer: IBM in 1970

7. Who invented Radiocarbon ?

Answer:

Willard Libby