Which causes a rainbow in the sky?
A.Sunlight (white light) is reflected as it passes through different layers in the atmosphere.
B.Sunlight (white light) reflects when it passes through dust particles in the atmosphere.
C.Sunlight (white light) refracts when it passes through droplets of water in the atmosphere.
D.Sunlight (white light) is refracted as it passes through different layers in the atmosphere.

Respuesta :

Sunlight (white light) refracts through droplets of water in the atmosphere and this causes a rainbow in the sky. The correct option among all the options that are given in the question is the third option or option "C". The rainbow is caused by the reflection, refraction and dispersion of sunlight in water droplets that are present in the atmosphere.