Question

1 what is the relation between longitude and time?
2. what is a great circle?
3. what is the standard meridian of India?​

Answer 1

Answer:

1) It takes 4 minutes to travel from one longitude to another. So, generally 1 degree difference in Longitude, causes a difference of 4 minutes. The places located in the East of the Prime Meridian are ahead in time to the places located in the Western Hemisphere.

2) a circle on the surface of a sphere which lies in a plane passing through the sphere's centre. As it represents the shortest distance between any two points on a sphere, a great circle of the earth is the preferred route taken by a ship or aircraft.

3) 82°30'E

Hence, time along the Standard Meridian of India (82°30'E) passing through Mirzapur (in Uttar Pradesh) is taken as the standard time for the whole country.

Answer 2

Answer:

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