A charged particle moves through a magnetic field perpendicular to its direction. Then

Options

A. Acceleration remain unchanged
B. velocity remains unchanged
C. speed of the particle remains unchanged
D. Direction of the particle remains unchanged

Answer

C

Explanation

When a charged particle moves through a perpendicular magnetic field, then a magnetic force acts on it which changes the direction of particle but does not alter the magnitude of its velocity (i.e. speed)