What is the uncertainty in the measurement of time, if the uncertainty in measuring the energy of an electron of mass 10-30 kg is 2.45 × 10-19J? h = 6.6 × 10-34

A.

1.35 ×10-15s

B.

2.69 × 10-15s

C.

4.15 × 10-15s

D.

9.05 × 10-15s

E.

1.62 × 10-14s

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Correct answer is B

No explanation has been provided for this answer.

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