1. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

2. Who invented Laser ?

Answer:

Charles H. Townes

3. Who invented Television ?

Answer:

John Logie Baird

4. Who invented Hydrogen bomb ?

Answer:

Edward Teller

5. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

6. Who invented Floppy disk ?

Answer: IBM in 1970

7. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.