Browse Questions

# If the uncertainty in velocity of a moving object is $1.0 \times 10^{-6}\: ms^{-1}$ and the uncertainty in its position is 58 m, the mass of this object is approximately equal to that of : $(h=6.626 \times 10^{-34}js)$

$\begin {array} {1 1} (1)\;Helium & \quad (2)\;Deuterium \\ (3)\;Lithium & \quad (4)\;Electron \end {array}$

(4) Electron