Assertion :   Gravitational field is zero both at centre and infinity.

Assertion :   Gravitational field is zero both at centre and infinity.

Reason        :   The dimensions of gravitational field is  [ LT^-2].

(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

(13)