1. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

2. Who invented Gramophone ?

Answer:

Emile Berliner in 1887.

3. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

4. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

5. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

6. Who invented Java Language ?

Answer:

James Gosling

7. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist