Uncertainty in the position of an electron (mass = 9.1 × 10–31 kg) moving with a velocity 300 ms–1, accurate upto 0.001%, will be (h = 6.63 × 10–34 Js)

Q. Uncertainty in the position of an electron (mass = 9.1 × 10–31 kg) moving with a velocity 300 ms–1, accurate upto 0.001%, will be (h = 6.63 × 10–34 Js)

A.            19.2 × 10–2 m

B.            5.76 × 10–2 m

C.            1.92 × 10–2 m

D.            3.84 × 10–2 m

Answer: 1.92 × 10–2 m