Test Academy | Two masses m and M are connected by a light string that passes through a smooth hole O at the centre of a table. Mass m lies on the table and M hangs vertically. m is moved round in a horizontal circle with O as the centre. If l is the length of the string from O to m then the frequency with which m should revolve so that M remains stationary is (1/2π)√(Mg/ml), (1/π)√(Mg/ml), (1/2π)√(l/Mg), (1/π)√(ml/Mg)

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Two masses m and M are connected by a light string that passes through a smooth hole O at the centre of a table. Mass m lies on the table and M hangs vertically. m is moved round in a horizontal circle with O as the centre. If l is the length of the string from O to m then the frequency with which m should revolve so that M remains stationary is

Options :

(1/2π)√(Mg/ml)
(1/π)√(Mg/ml)
(1/2π)√(l/Mg)
(1/π)√(ml/Mg)

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