1. Who invented Floppy disk ?

Answer: IBM in 1970

2. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

3. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

4. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

5. Who invented Proton ?

Answer:

Ernest Rutherford

6. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

7. Who invented Electron ?

Answer: Thomson. J of Britain in 1897