Question

7) When does the entire earth experience equal days and equal nights? (0) 21 June (ii) 21 March (iii) 22 December (iv) 21 November​

Answer 1

Answer:

ii)21 march

Explanation:

earth experience equal days and equal nights on 21 march and also on 23 September

Answer 2

Answer:

On 21st March and September 23rd

Explanation:

direct rays of the sun fall on the equator. At this position, neither of the poles is tilted towards the sun; so, the whole earth experiences equal days and equal nights. This is called an equinox.

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