Magnetic Effects of Current and Magnetism: JEE Main 2022 Physics question

A cyclotron is working at a frequency of 10 MHz. If the radius of its dees is 60 cm. The maximum kinetic energy of accelerated proton will be : (Take : e = 1.6 $\times$ 10^$-$19 C, m_p = 1.67 $\times$ 10^$-$27 kg)