1. Who invented X-ray ?

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

2. Who invented Computer ?

Answer:

Charles Babbage

3. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

4. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

5. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

6. Who invented Television ?

Answer:

John Logie Baird

7. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895