Question:

An electron in an atom is revolving round the nucleus in a circular orbit of radius 5.3 × 10-11 m, with a speed of 2 × 106 ms-1 Find the resultant orbital magnetic moment and angular momentum of electron. (charge on electron e = 1.6 × 10-19 C, mass of electron me = 9.1 × 10-31 kg.)

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