(a) A narrow beam XY of white light is passing through a glass prism ABC as shown in the diagram : Trace it on your answer sheet and show the path of the emergent beam as observed on the screen PQ. Name the phenomenon observed and state its cause.

Question

Aicharya · Accepted Answer

(a) Dispersion of white light Cause: Different colours of light bend through different angles w.r.t. the incident ray. / Different colours have different wavelengths.

(a) A narrow beam XY of white light is passing through a glass prism ABC as shown in the diagram : Trace it…

Solution