1. Who invented Gramophone ?

Answer:

Emile Berliner in 1887.

2. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

3. Who invented Java Language ?

Answer:

James Gosling

4. Who invented Safety razor ?

Answer: King Camp Gillette of U.S.A. in 1903

5. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

6. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

7. Who invented Television ?

Answer:

John Logie Baird