Question

The clear sky appears blue because

• A. Blue light gets absorbed in the atmosphere
• B. Ultraviolet radiations are absorbed in the atmosphere
• C. Violet and blue lights get scattered more than lights of all other colours by the atmosphere
• D. Light of all other colours is scattered more than the violet and blue colour lights by the atmosphere

Answer 1

The correct option is C

Violet and blue lights get scattered more than lights of all other colours by the atmosphere

The sunlight reaching the earth's atmosphere is scattered in all the directions by gases and particles in air. In the visible spectrum of colours, blue light is scattered the most as its wavelength is the least. Due to this, the sky appears blue.