An electron is projected in a perpendicular uniform magnetic field of 3 x 10-3 T. If electron moves in circle of radius 4 mm, then linear momentum of electron is (a) 1.92 x 10-21 kg-m/s (b) 1.92 x 10-24 kg-m/s (c) 1.2 x 10-21 kg-m/s (d) 3.2 x 10-2¹ kg-m/s
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A: Ans:- Image-1
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