An α particle moves perpendicular to a constant magnetic field of strength 1.2 T in a circular path of
radius 0.7 m. The speed of α particle in ms-1

is ______________

a) 2.7 × 107

b) 2.6 × 107

c) 3.2 × 107

d) 2.0 × 107

1 Answer

Answer :

a) 2.7 × 107

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