Question

Call
uing as safety devices.
In the figure given below, a narrow beam of white light is shown to pass through a
triangular glass prism. After passing through the prism, it produces a spectrum Xy on the
screen.
(i) Name the phenomenon.
(ii) State the colours seen at X and Y.
(iii)Why do different colours of white light bend at different angles through a prism?​

Answer 1

Answer:

dipersion is the phenomenon

at X red at Y violet

as each colour has different wavelength and speed they bend at different angles through prism