Assertion : The time period of geostationary satellite is 24 hours. Reason : Geostationary satellite must have the same time period as the time taken by the earth to complete one revolution about its axis.

(a)       If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b)       If both assertion and reason are true but reason is not the correct explanation of the assertion.

(c)        If assertion is true but reason is false.

(d)       If the assertion and reason both are false.

(e)       If assertion is false but reason is true.

Answer: b

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