An electron enters a region that contains a magnetic field directed into the page as shown. The velocity vector of the electron makes an angle of `30^(@)` with the `+y` axis. What is the direction of the magnetic force on the electron when it enters the field ?

Options

A. Up, out of the page
B. At an angle of `30^(@)` below the positive x axis
C. At an angle of `30^(@)` above the positive x axis
D. At an angle of `60^(@)` below the positive x axis

Answer

B