Hello Friends, Welcome Back, Its been quite long time since I shared my last post here with you all. So here I am again with you to share my knowledge on one more question that arouse in my mind due to the intense cold wave that is going on in northern part of India. Yesterday was the most foggy day in my city and I was going to the school in my car with the fog lights of my car on and guiding me the way through the intense fog, and suddenly a question stroked in my mind, that why fog lights are yellow in colour although if we notice in the wavelength series that is VIBGYOR, red colour has the largest wavelength, then why we use yellow light insted of red light in fog lamps. As per my understanding it is important for fog lights to be one color (rather than white, which is all colors) because the different wavelengths(colors) of visible light scatter off the fog droplets differently. This phenomenon is known as "dispersion," because the different colors of light in...