the reason of seeing the sun a little before the sunrise is

The sun is seen on the horizon a little before sunrise.

Give scientific reasons The sun is seen on the horizon a little before sunrise.

The sun is seen on the horizon a little before sunrise. OR The sun is seen on the horizon for sometime even after sunset.

Assertion :- The sun appears oval shape at sunrise. Reason :- At the time of sunrise sun appears a little before the actual sunrise

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

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 :

Which phenomenon makes us see the sun : (a) a few minutes before actual sunrise ? (b) a few minutes after actual sunset ?

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……….