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What is the main purpose of choosing (82^\circ 30'E) as India's Standard Meridian?

Answer and explanation

Correct answer: To fix one uniform time for the country

The direct answer is B: the main purpose is to fix one uniform time for the country. Earth rotates from west to east, so local time differs from place to place according to longitude. If every region used only its own local time, railway, school, office and communication schedules would become confusing. India therefore uses 82°30′E as its Standard Meridian and calculates Indian Standard Time from it. Option B is correct because it states this national purpose. Option A is wrong because choosing a meridian does not change the Tropic of Cancer. Option C is wrong because a time meridian has no purpose of reducing the maritime boundary. Option D is wrong because it does not remove India’s north-south or latitudinal extent. The line is associated with Mirzapur in Uttar Pradesh in school geography, but its key function is uniform time. Exam cue: Standard Meridian means standard national time.

Related tags

Standard MeridianIndian Standard TimeMirzapur

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