question_answer

If an electron moves with a velocity of \[3\times {{10}^{4}}\text{ }cm/sec\]accurate up to 0.001 %. Then find out uncertainity in its position :-

A)  \[1.7\times {{10}^{2}}cm\]

B)  \[9.7\text{ }cm\]

C)  \[9.7\times {{10}^{3}}cm\]     

D)  \[1.7\text{ }cm\]