STANDARD Physics Motion of Charged Particles in Magnetic Field MCQ Question
A proton, a deuteron and an α-particle with same kinetic energy enter perpendicularly in a uniform magnetic field, then the ratio of radii of their circular paths is
1:1:√2
√2:1:1
1:√2:1
1:2:√2
Correct Answer
Detailed Explanation
The radius r is proportional to √(m/q). For a proton, deuteron, and α-particle, the ratio of radii is determined by their mass and charge, resulting in 1:√2:1.
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