Question

Which of the following shows the colours in the order of increasing wavelength?

• A. violet, green, yellow, red
• B. violet, yellow, green, red
• C. yellow, red, green, violet
• D. red, green, yellow, violet

Answer 1

The correct option is A

violet, green, yellow, red

The explanation for the correct answer:

1. There are seven colours in the spectrums of visible light rays.
2. The colours in the order of the increasing wavelength are given as violet, indigo, blue, green, yellow, orange, and red.
3. Thus, according to the question, the correct order of the wavelength should be violet, green, yellow, and red.

Thus, option (a) is correct.