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Which aspect of India’s size and extent explains the difference in local time?

Answer and explanation

Correct answer: Longitudinal extent

The governing concept is the relationship between longitude and local time. Earth rotates 360 degrees in about 24 hours, so a difference of 15 degrees of longitude corresponds approximately to one hour of time. India extends from about 68°7′ E to 97°25′ E, a difference of roughly 29 degrees; this creates nearly two hours of local-time difference between the western and eastern parts. Soil, river water and vegetation do not determine clock time. To avoid administrative confusion, India uses one Standard Time based on 82°30′ E. Thus, option A, longitudinal extent, is correct.

Related tags

Longitudinal ExtentLocal TimeIndian Standard TimeIndia’s Size And AreaIndia S Size And AreaIndia LocationGeographyClass 11 Mcq

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