Question

Assertion(A): We need a standard meridian Reason(R): India is situated from west to east in about 30 longitudes. It takes 4 minutes to cross a longitude​

Answer 1

BOTH A AND R ARE CORRECT....

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Answer 2

Both Assertion and reason is correct.

Explanation:

• Standard meridian represents central meridian that decides the time on that particular meridian. Each country has its own standard meridian. Hence, India has also a central or standard meridian which passes through Allahabad that is 82 degree 30 minute east. And the time increases with a rate of 4 minutes from each longitude to another. From the standard meridian towards east time increases and west time decreases.