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प्रश्न
What is a geographic meridian?
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उत्तर
A plane perpendicular to the surface of the Earth (vertical plane) and passing through the geographic axis is a geographic meridian.
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संबंधित प्रश्न
Name three elements of the earth's magnetic field which help in defining earth's magnetic field completely.
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Where on the surface of Earth is the angle of dip zero?
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(ii) What is the direction of the e.m.f.?
(iii) Which end of the wire is at the higher potential?
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Choose the correct option.
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