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A particle with mass m and charge q movi...

A particle with mass `m` and charge `q` moving with a velocity `v`, enters a region of uniform magnetic field `B`, shown, in the figure above. The particle strikes the wall at a distance `d` from the entance slit. If the paticle's velocity stays the same but its charge to mass ratio is doubled, distance frm the entrance slit where the particle strike the wall is `d/n`, then find `n`

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