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According to Heisenberg's uncertainty principle, the product of uncertainties in position and velocities for an electron of mass 9.1x 10 -31 kg is:
(1) 2.8x 10 -3 m2-s-1
(2) 3.8x 10-5 m2 s-1
(3) 5.8x 10-5 m2s-1
(4) 6.8 x 10 -6 m2 s-1
Ans: 5.8x 10-5 m2s-1
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