1. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

2. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888

3. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879

4. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

5. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

6. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

7. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.