"Smoke coming out of coal fired in chimney appears blue on a misty day". Why?
CBSE Class 10
Class 10 Science
2016-10-19 06:46:24 UTC
On a misty day, the air has large amount of tiny particles of water droplets,
dust and smoke.
These tiny particles present in the air scatter blue colour of the white light passing through it.
When this scattered blue light reaches our eyes the smoke appears blue.