# NEET Physics Atoms Questions Solved

An electron has a mass of . It revolves round the nucleus in a circular orbit of radius $0.529×{10}^{-10}$ metre at a speed of . The magnitude of its linear momentum in this motion is

(a) kg-m/s             (b) $2.0×{10}^{-24}$ kg-m/s
(c) $4.0×{10}^{-24}$ kg-m/s           (d) $4.0×{10}^{-31}$ kg-m/s

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