Question
Chemistry Question on Quantum Mechanical Model of Atom
A fast moving particle of mass 6.63×10-28g can be located with an accuracy of 1A. The uncertainty in its velocity (in ms-1) is about (h=6.63×10-34 Js)
A
8×103
B
8×104
C
8×105
D
8×106
E
8×107
Answer
8×105
Explanation
Solution
The correct option is (C) : 8×105