Aplha Particle in a magnetic field

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SUMMARY

An alpha particle, possessing a positive charge (q), follows a circular path when released into a uniform magnetic field oriented perpendicularly into the page. This behavior is due to the Lorentz force acting on the charged particle, which is always perpendicular to its velocity. By applying Fleming's Left Hand Rule, one can determine the direction of the force exerted by the magnetic field on the alpha particle, confirming the circular motion.

PREREQUISITES
  • Understanding of Lorentz force and its implications on charged particles.
  • Familiarity with Fleming's Left Hand Rule for determining force direction.
  • Basic knowledge of magnetic fields and their properties.
  • Concept of circular motion in physics.
NEXT STEPS
  • Study the principles of Lorentz force in electromagnetic fields.
  • Learn about the applications of Fleming's Left Hand Rule in various scenarios.
  • Explore the characteristics of circular motion and centripetal force.
  • Investigate the behavior of different charged particles in magnetic fields.
USEFUL FOR

Students studying physics, particularly those focusing on electromagnetism and particle motion, as well as educators seeking to explain the behavior of charged particles in magnetic fields.

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Homework Statement



An alpaha particle of charge q is released from a radioactive source and enters a vacuum where there is a unform magnetic field directed perpendicularly into the page, explain why the alpha particle follows a circular path.

Homework Equations



There is a picture of the page attatched

The Attempt at a Solution



Not quite sure, any help is appreciated, thanks.
 

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Firstly try to consider the direction of the force the magnetic field exerts on the alpha particle.

At any position in the magnetic field, use Flemming's Left Hand Rule to get the direction.
 

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