Question

The letters ROYGBIV represent the colors of visible light. Arrange them in order of:
Increasing energy

Answer 1

Visible and Ultraviolet Spectroscopy

Violet: 400 - 420 nm.

Indigo: 420 - 440 nm.

Blue: 440 - 490 nm.

Green: 490 - 570 nm.

Yellow: 570 - 585 nm.

Orange: 585 - 620 nm.

Red: 620 - 780 nm.

Hope this helps