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

Question:

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

Options :

a) 1/2π√(mg/ml)
b) 1/π√(mg/ml)
c) 1/2π√(ml/mg)
d) 1/π√(ml/mg)

Answer :

a) 1/2π√(mg/ml)

Answer Steps :

Diagram :-

Solution :-

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