A particle of charge - q and mass m enters a uniform magnetic field B → at A with speed v 1 at an angle α and leaves the field at C with speed v 2 at an angle $\beta$ as shown. Then

Particle remains in the field for time t = 2 m ( π - α ) q B

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Gamma Question Bank for Medical Physics>Chapter 19 - Moving Charges and Magnetism>Assignment>Q 1

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A charged particle enters a uniform magnetic field perpendicular to it. The magnetic field

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Important Questions on Moving Charges and Magnetism

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Gamma Question Bank for Medical Physics>Chapter 19 - Moving Charges and Magnetism>Assignment>Q 2

A proton and an alpha particle enter the same magnetic field which is perpendicular to their velocity. If they have the same kinetic energy then the ratio of radii of their circular path is,

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Gamma Question Bank for Medical Physics>Chapter 19 - Moving Charges and Magnetism>Assignment>Q 3

A particle of charge $- q$ and mass $m$ enters a uniform magnetic field $\vec{B}$ at $A$ with speed $v_{1}$ at an angle $α$ and leaves the field at $C$ with speed $v_{2}$ at an angle $\beta$ as shown. Then

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Gamma Question Bank for Medical Physics>Chapter 19 - Moving Charges and Magnetism>Assignment>Q 4

A particle of charge per unit mass $α$ is released from origin with a velocity $\bar{v} = v_{0} \hat{i}$ in a uniform magnetic field $\bar{B} = - B_{0} \hat{k} .$ If the particle passes through $(0, y, 0)$ then $y$ is equal to