A Particle of mass m and charge q moves with a constant velocity v along the positive x−direction. It enters a region containing a uniform magnetic field →B directed along the negative z−direction, extending from x=a to x=b. The minimum value of v required so that the particle can just enter the region x>b is-

A Particle of mass m and charge q moves with a constant velocity v alo

1.	A Particle of mass m and charge q moves with a constant velocity v along the positive x−direction. It enters a region containing a uniform magnetic field →B directed along the negative z−direction, extending from x=a to x=b. The minimum value of v required so that the particle can just enter the region x>b is-
Answer» A Particle of mass $m$ and charge $q$ moves with a constant velocity $v$ along the positive $x -$ direction. It enters a region containing a uniform magnetic field $\to B$ directed along the negative $z -$ direction, extending from $x = a$ to $x = b$ . The minimum value of $v$ required so that the particle can just enter the region $x > b$ is-

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