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JEE Main 2022 Physics question

PhysicsMoving Charges and MagnetismJEE Main 2022

A proton, a deuteron and an -particle with same kinetic energy enter into a uniform magnetic field at right angle to magnetic field. The ratio of the radii of their respective circular paths is :

Answer: (4)

Solution

, so . With m : q = 1 : 1 for the proton, 2 : 1 for the deuteron

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Question ID VK-024168