1)Röntgen the inventor of the X-ray was color blind and never commented on the colors of the fluorescence he observed
2)X-ray is not invisible but actually “blue grey” in colour
3) He named them X rays because he didn't know where they came from.
Thats all I havee
2)X-ray is not invisible but actually “blue grey” in colour
3) He named them X rays because he didn't know where they came from.
Thats all I havee