Question

Arrange the following colours in the increasing order of their wavelengths.

Violet, Red, Green, Blue

• A. Violet < Blue < Green < Red
• B. Violet < Blue < Red < Green
• C. Blue < Violet < Green < Red
• D. Violet < Green < Blue < Red

Answer 1

The correct option is A

Violet < Blue < Green < Red

The visible colors from shortest to longest wavelength are Violet, Indigo, Blue, Green, Yellow, Orange, and Red.
Hence, the correct order of the colours in the increasing order of their wavelengths is Violet < Blue < Green < Red