This question has Statement $1$ and Statement $2$. Of the four choices given after the Statements,choose the one that best describes the two Statements.
Statement $1$: $A$ charged particle is moving at a right angle to a static magnetic field. During the motion,the kinetic energy of the charge remains unchanged.
Statement $2$: $A$ static magnetic field exerts a force on a moving charge in the direction perpendicular to the magnetic field.

• A
  Statement $1$ is false,Statement $2$ is true.
• B
  Statement $1$ is true,Statement $2$ is true,Statement $2$ is not the correct explanation of Statement $1$.
• C
  Statement $1$ is true,Statement $2$ is false.
• D
  Statement $1$ is true,Statement $2$ is true,Statement $2$ is the correct explanation of Statement $1$.