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JEE Main Physics Class 12 Moving Charges and Magnetism Part 1 Questions

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Question : 2

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A proton and an α -particle (with their masses in the ratio of 1: 4 and charges in the ratio 1: 2 ) are accelerated from rest through a potential difference V. If a uniform magnetic field (B) is set up perpendicular to their velocities, the ratio of the radii rp:rα of the circular paths descrfibed by them will be:

[12 Jan 2019, I]

1:√2
1: 2
1: 3
1:√3

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