An accelerated electron has speed of 5×106 ms−1 with an uncertainty of 0.02%. The uncertainty in finding its location while in motion is x×10−9 m. The value of x is _______. (Nearest integer) [Use mass of electron =9.1×10−31 kg, h=6.63×10−34 Js, π=3.14 ] [Main July 25, 2021 (II)]