Question

Due to atmospheric refraction, sunrise in advanced and sunset is delayed by about 

(a) 1 min

(b) 2 min

(c) 4 min

(d) 3 min

Answer 1

Correct option is (b) 2 min

The advanced sunrise and the delayed sunset are due to the atmospheric refraction. This is because of the fact that, the sun is visible about 2 minutes earlier than actual sunrise and about 2 minutes after the actual sunset.