A particle of charge 1.6×10−19C moves with speed 2.0×106ms−1 in a region where the magnetic field is 0.50T. The angle between the velocity vector and the field is 30∘. Calculate the magnitude of the magnetic force on the particle.
a) 1.6×10−13N
b) 1.4×10−13N
c) 8.0×10−14N
d) 4.0×10−14N