> Q. A doubly ionised $He^{+2}$ atom travels at rightist angles to a magnetic field of induction 0.4 T with a velocity, of $10^5ms^{-1}$ describing a circle of radius r. A proton travelling with same speed in same direction in the same field will describe a circle of radius – LIVE ANSWER TODAY

Q. A doubly ionised $He^{+2}$ atom travels at rightist angles to a magnetic field of induction 0.4 T with a velocity, of $10^5ms^{-1}$ describing a circle of radius r. A proton travelling with same speed in same direction in the same field will describe a circle of radius

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A doubly ionised $He^{+2}$ atom travels at rightist angles to a magnetic field of induction 0.4 T with a velocity, of $10^5ms^{-1}$ describing a circle of radius r. A proton travelling with same speed in same direction in the same field will describe a circle of radius

Solution:

$r= frac{mv}{Bq}$

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