Question

A narrow beam of white light is shown to pass through a triangular glass prism after passing through a Prism it produces a spectrum X Y and on the screen
(1) Name the phenomenon
(2) State the colours seen at X and Y why do different colours of white light bend at different angles through a prism

Answer 1

Refractions takes place and VIBGYOR are the colors.

Answer 2

Explanation:

(1) violet

(2) red

(b) because of their respective wavelength.....the higher will be wavelength the lower will be angle