The measurement of the electron position is associated with an uncertainty in momentum, which is equal to `1 xx 10^-18 g cm s^-1`. The uncertainty in electron velocity is (mass of an electron is `9 xx 10^-28 g`)

Options

A. `1 xx 10^(8) cm s^(-1)`
B. `1 xx 10^(11) cm s^(-1)`
C. `1 xx 10^(9) cm s^(-1)`
D. `1 xx 10^(6) cm s^(-1)`

Answer

C

Explanation

`Delta x. Deltap ge (h)/(2pi)`