Madhya Pradesh Police Exam Model Paper 4

The correct answer is Colourless light.

• Rainbow is caused by the total internal reflection, refraction, and dispersion of the light.
• If we mix lights of the colours of the rainbow, we will get colourless light .
• White colour reflects all other colours.
• White colour is the colour which absorbs minimum heat.
• There are seven colours in the rainbow.
• The colour which appears on the upper portion of the rainbow is red.
• The colour which appears on the lowest portion of the rainbow is violet.
• Rainbow is always formed in the opposite direction of the Sun.