Question

Uncertainty in position of a minute particle of mass 25g in space is 10^–5m. What is the uncertainty in its velocity (in ms^–1 )? (h = 6.6 × 10^–34Js)
(a) 2.1 × 10^–34 

(b) 0.5 × 10^–34

(c) 2.1 × 10^–28 

(d) 0.5 × 10^–23.

Answer 1

(c) : According to Heisenberg uncertainty principle,