Question

Choose the answer that gives the increasing order of the wavelengths of the following colour.
1.Orange
2.Indigo
3.Yellow
4.Violet

• A. 1, 2, 3, 4
• B. 3, 1, 4, 2
• C. 1, 3, 2, 4
• D. 4, 2, 3, 1

Answer 1

The correct option is D 4, 2, 3, 1

Option: (d)