1. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

2. Who invented Hydrogen bomb ?

Answer:

Edward Teller

3. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

4. Who invented Java Language ?

Answer:

James Gosling

5. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

6. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

7. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805