Soap solution used for cleaning purpose appears cloudy. This is due to the fact that soap micelles can

The reason for a swimming pool to appear less deep than the actual depth is -

The minimum distance of clear vision for a normal healthy eye of human being is supposed to be :

The sky appears blue due to –

When a soap film on the water is seen in the daytime, it shows beautiful colours. This phenomenon is due to

The Sun appears reddish during sunrise and sunset. The phenomenon in optics which is responsible for this appearance of the Sun is