Question
Who discovered X-rays?
Roentgen
Madam Curie
Rutherford
All of these
Solution
A.
Roentgen
Wilhelm Conrad Roentgen. Wilhelm Roentgen, a German professor of physics was the first person to discover electromagnetic radiation in a wavelength range commonly known as X-rays today. Although, many people had observed the effects of X-ray beams before, but Roentgen was the first one to study them systematically.
