Explain the phenomenon of dispersion of white light through a glass prism, using suitable ray diagram.

What is the cause of dispersion of white light through a glass prism Draw a ray diagram to show the path of light when two identical glass prisms are arranged together in inverted position with respect to each other and narrow beam of white light is allowed to fall obliquely on one of the faces of the prisms.

Explain the refraction of light through a triangular glass prism using a labelled ray diagram. Hence define the angle of diviation.

Dispersion Of White Light By A Glass Prism

Refraction and Dispersion of Light through Prism

For a light ray passing through a prism