1. Who invented Proton ?

Answer:

Ernest Rutherford

2. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

3. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

4. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

5. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879

6. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

7. Who invented Television ?

Answer:

John Logie Baird