1. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

2. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

3. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

4. Who invented Transformer ?

Answer:

Ottó Bláthy

5. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

6. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

7. Who invented Computer ?

Answer:

Charles Babbage