question_answer

For an electron if the uncertainty in velocity is \[\Delta \nu \], the uncertainty in its position \[(\Delta x)\] is given by       [DPMT 2005]

A)                 \[\frac{hm}{4\pi \Delta \nu }\]  

B)                 \[\frac{4\pi }{hm\Delta \nu }\]

C)                 \[\frac{h}{4\pi m\Delta \nu }\]

D)                 \[\frac{4\pi \ m}{h\ .\ \Delta \nu }\]