Two charged particles have equal kinetic energies and equal charge magnitudes but different masses. They enter the same uniform magnetic field perpendicularly. Which statements are correct?
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Question

Two charged particles have equal kinetic energies and equal charge magnitudes but different masses. They enter the same uniform magnetic field perpendicularly. Which statements are correct?

G1 Physics · Accepted Answer

For fixed K and |q|, p=√(2mK), so r=p/(|q|B)∝√m. Also T∝m and v=√(2K/m)∝1/√m.