Assertion :   The speed of revolution of an artificial satellite revolving very near the earth is 8 kms^-1.

Reason        :   Orbital velocity of a satellite, become independent of height of near satellite.

(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: a

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