1. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

2. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

3. Who invented colour television ?

Answer:

Peter Carl Goldmark

4. Who invented Hydrogen bomb ?

Answer:

Edward Teller

5. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

6. Who invented Nylon ?

Answer:

Wallace Carothers

7. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.