arrange the rainbow colours in ascending order according to its wavelength. Also tellthe advantagelonger wavelength and shorter wavelength.

THE ASCENDING ORDER IS VIOLET, INDIGO, BLUE, GREEN, YELLOW, ORANGE, RED.

A COLOUR OF LARGER WAVELENGTH CAN TRAVEL MORE FAR THAN A COLOUR OF LESSER WAVELENGTH.THAT IS WHY RED IS USED AS A DANGER SIGNAL.....