1. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

2. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

3. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

4. Who invented Java Language ?

Answer:

James Gosling

5. Who invented Automatic rifle ?

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

6. Who invented Vitamin D ?

Answer:

Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922

7. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912