Visible light waves are the only electromagnetic waves we can see. We see these waves as the colour
of " Rainbow". Each colour has a different wavelength. Red has the longest wavelength and Violent
has the shortest wavelength. When all the waves are seen together, they make White light.
=>
The term "Radiation" simply denotes the fact that the energy travels as rays.
=> Ultraviolet
- The term 'Ultraviolet' refers to the fact that radiation is at higher frequency the violet
light.
Negative Infrared radiations are those who has more 700 nenometer frequency.Negative
Ultraviolent radiation are those who has less than 400 nenometer frequency.