Magnetic Effects of Electric Current (Class 12) — quick quiz

A proton moves with a velocity of 2 × 10⁶ m/s perpendicular to a uniform magnetic field of 0.5 T. What is the radius of the circular path followed by the proton? (Given: mass of proton = 1.67 × 10⁻²⁷ kg, charge of proton = 1.6 × 10⁻¹⁹ C)