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What is the main difference between India's area and coastline?

Answer and explanation

Correct answer: Area in square kilometres, coastline in kilometres

The governing concept is dimensional measurement. Area describes the extent of a surface in two dimensions, so it is measured in square units such as square kilometres. A coastline describes the length of a boundary along the sea, so it is measured in linear units such as kilometres. Therefore, option A correctly states the difference. Option B assigns units of time and proportion, neither of which is the normal unit for these geographical quantities. Option C reverses the appropriate units and incorrectly treats coastline as an area. Option D is wrong because quantities with different dimensions cannot normally be represented by the same unit. Recognising the dimension of each quantity prevents common factual errors.

Related tags

Area And CoastlineMeasurement UnitsGeography ConceptsIndia’s Size And AreaIndia S Size And AreaIndia LocationGeographyClass 11 Mcq

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