Draw a ray diagram showing the path of rays of light when it enters with oblique incidence (i) from air into water , (ii) from water into air.

Draw a ray diagram to show the path of a ray of light passing obliquely from water to alcohol.

Draw a ray diagram to show the path of light that enters the glass prism obliquely. Label on it the angle of incidance and angle of deviation.

Draw a labelled ray diagram to show how a ray of light is refracted when it passes: a) From air into an optically denser medium. b) from an optically denser medium into air.

When light enters from air to water, then its