Question

Duration of day time is greater than night time due to this property of light​

Answer 1

i think the answer is the property of light = dispersion of light

Answer 2

one of the consequences of this refraction is that contratry to what most people think the day and night is not exactly 12 hours long on the days of the equinoxes.

because of refraction of sunlight ,daytime is just slightly longer then night time .

hope it helps you.