Meaning of spectrum in simple words? [duplicate]

1. What is spectrum simple answer?
2. How is the word spectrum used?
3. Is spectrum a real word?
4. What does a spectrum do?

What is spectrum simple answer?

The spectrum is the band of different colours which is produced when light passes through a glass prism.

How is the word spectrum used?

A spectrum is a range of a particular type of thing. She'd seen his moods range across the emotional spectrum. Politicians across the political spectrum have denounced the act.

Is spectrum a real word?

spectrum noun [C] (RANGE)

a range of objects, ideas, or opinions: There's agreement across the political spectrum. A wide spectrum of opinion was represented at the meeting.

What does a spectrum do?

A spectrum is simply a chart or a graph that shows the intensity of light being emitted over a range of energies.