Question

A particle of mass 1 kg is revolved in a horizontal circle of radius 1 m with the help of a string. If the maximum tension the string can withstand is 16π² N, then the maximum frequency with which the particle can revolve is 

(A) 3 Hz 

(B) 2 Hz 

(C) 4 Hz 

(D) 5 Hz

Answer 1

Answer is (B) 2 Hz

Using, mrω² = T and ω = 2πn