1. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

2. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

3. Who invented google ?

Answer:

Larry Page

4. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

5. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

6. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

7. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948