Axis


 
 
Concept Explanation
 

Axis

Axis:

The axis is an imaginary line drawn from the north pole to the south pole that passes through the centre of the Earth. It has a tilt of 23.5°. The Earth spins around an imaginary line called the axis. The two end points of the axis are the North Pole and the South Pole. The axis of the Earth is tilted at an angle of 231/2 degree (231/2^0) to the vertical. The South Pole and the North Pole act as reference points to locate places on the globe. In the figure below the various points of reference are marked on the globe.

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Sample Questions
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Question : 1

The earth axis is inclined _________ from a perpendicular to the plane of the orbit.

Right Option : B
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Question : 2

A significant variation is seen in the length of day night time from season to season .what among the below statements is the most appropriate reason of this variation?

Right Option : D
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Question : 3

The axis of the earth is tilted at an angle of _____________

Right Option : C
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