The uncertainty in the position of an electron `("mass "9.1 xx 10^(-28)g)` moving with a velocity of `3.0 xx 10^(4)cm^(-1)` accurate up to `0.011%`, will be 

Options

A. 0.192 cm
B. 7.68 cm
C. 0.175 cn
D. 3.84 cm

Answer

C

Explanation

`Delta x . M Delta v ge h/(4pi) , Delta V = (0.001)/(100)= 11 xx 10^(-5) ` cm/sec