1. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

2. Who invented Television ?

Answer:

John Logie Baird

3. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

4. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

5. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

6. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

7. Who invented Electron ?

Answer: Thomson. J of Britain in 1897