A charged particle with charge to mass ratio `((q)/(m)) = (10)^(3)/(19) Ckg^(-1)` enters a uniform magnetic field `vec(B) = 20 hat(i) + 30 hat(j) + 50 hat(k) T` at time t = 0 with velocity `vec(V) = (20 hat(i) + 50 hat(j) + 30 hat(k)) m//s`. Assume that magnetic field exists in large space.
The frequency (in Hz) of the revolution of the particle in cycles per second will be
A. `(10^(3))/(pisqrt19)`
B. `(10^(4))/(pisqrt38)`
C. `(10^(4))/(pisqrt19)`
D. `(10^(4))/(2pisqrt19)`
