Why is the red light used as a danger signal

cbse-class10-science

#1

What is the reason for this


#2

Because the red colour has the maximum wavelength .


#3

Because it has high frequency than other colours
Because of this we use red light as a danger signal


#4

Wavelength of red light is most in all the colours of the visible range


#5

Because red light is least scattered by fog or smog