The Branch of Physics deals with highly energetic ions is called__________?
Correct answer: D. Plasma physics
- A. Elementary articles
- B. Article physics
- C. Ionic physics
- D. Plasma physics
Explanation
Plasma physics studies highly ionised matter containing free electrons and ions, often at very high energies. Ionic physics is the likely choice for a student who focuses on the word ions, but plasma physics concerns the collective behaviour of many charged particles.
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About Charged Particle in a Magnetic Field
A charged particle moving through a magnetic field experiences the Lorentz force, which is perpendicular to both its velocity and the field. The motion may be circular or helical, with questions involving radius, angular frequency, time period, and work done. A stationary charge feels no magnetic force.
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