1. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

2. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

3. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

4. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

5. Who invented c language

Answer:

Dennis Ritchie

6. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

7. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.