The word was first used scientifically in optics to describe the rainbow of colors in visible light after passing through a prism.
The word "spectrum" was first used by scientists studying optics.They used the word to describe the rainbow of colors in visible light when separated using a prism.
The word "spectrum" was first used by scientists studying optics.They used the word to describe the rainbow of colors in visible light when separated using a prism.
بسط هذا النص: The word was first used scientifically in optics to describe the rainbow of colors in visible light after passing through a prism. خرج: