Question

Uncertainty in the position of an electron (mass = 9.1 × 10^–31kg) moving with a velocity 300ms^–1, accurate upto 0.001% will be
(h = 6.6 × 10 –34Js)

(a) 19.2 × 10^–2m 

(b) 5.76 × 10^–2m

(c) 1.92 × 10^–2m 

(d) 3.84 × 10^–2m.

Answer 1

(c) : According to Heisenberg’s uncertainty principle