Question

Whqt is meridian ?what is meant by standard meridian

Answer 1

Longitude passing through a given place on eartn surface is known as meridian. Standard meridian are those whose logitude is divisible by 15 degree.

Answer 2

Standard Meridian is the meridian (longitude)which is used to describe time of a country , it should be the same for the whole country and all the places in a country should follow this same time

-------------------------------------------------

The standard meridian of India is 82.5 ° E and it passes through the center of our country and passes through  Mirzapur in Uttar Pradesh

-------------------------------------------------------------------------

its significance is that

1)there will be no confusion about time in an country

2)all the places in a particular country will have the same time