SCATTERING OF LIGHT       Scattering of light means to throw light in various random directions. The scattering involves bouncing off of light by atoms or molecules of the medium through which they are travelling. The beautiful atmospheric phenomena like blue colour of the sky, the red colour of the sun at sunrise and at sunset…

Atmospheric Refraction The refraction of light caused by the earth’s atmosphere is called atmospheric refraction. The physical conditions of the refracting medium (air) are not stationary. Some of the air layers are cold and act like a denser medium whereas other layers, of the atmosphere are comparatively warm and act like a rarer medium. In…