Question

When a source of light is receding away from an
observer, then the spectral lines will get displaced
towards
(a) violet region (b) red region
(c) ultraviolet region (d) blue region

Answer 1

HELLO...

ANSWER :

• when a source of light is receding away from an observer then the spectral lines will get displaced towards RED REGION.

• because the frequency of light appears to be decreasing.

• so,that the lines will get displaced towards RED REGION. .

HOPE IT MAY HELP YOU☺☺..