Sun is visible a little before the actual sunrise and until a little after a actual sunset. This is due to

Explain why is the sun visible a little before actual sunrise and a little after actual sunset.

Why does the sun seem to rise two minutes before the actual sunrise and set minutes after the actual sunset ? Explain with the help of a labelled diagram.

It is said that the sun becomes visible before the actual rise and remains visible even after the actual setting. This makes the day a bit longer. It happens due to :

The sun is visible a little before the actual sunrise because of which one of the following?

We can see the sun before the actual sunrise by about :

Fill in the following blanks with suitable words : We can see the sun about………..minutes before the actual sunrise and about……..minutes after the actual sunset because of atmospheric……….