Rainbow | इंद्रधनुष |

Rainbow | इंद्रधनुष | #rainbow #dispersion #light #optics #science #physics

how became rainbow
rainbow kaise banta hai
dispersion of light
dispersion
rainbow mein kitne color hote Hain
how many colours will in rainbow
indradhanush mein kitne rang hote Hain
indradhanush kaise banta hai