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If polar ice caps melt, then the time duration of one day

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a
increases
b
decreases
c
does not change
d
zero

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detailed solution

Correct option is A

If polar ice caps melt then at equator level of water increases it leads to increase in Radius by law of conservation of angular momentum

            Iω constant

            and R2 α T (Time period)

            So Time period will increase

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