1. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

2. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

3. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

4. Who invented Hydrogen bomb ?

Answer:

Edward Teller

5. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

6. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

7. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765