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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Chemistry > Chapter 2 - Atomic Structure > The uncertainties in the velocities of two particles A and B are 0.05 and 0.02 m.sec^−1 respectively. The mass of B is five times to that of mass A. What is the ratio of uncertainties [ Δx B/Δx A ] in their positions ?

The uncertainties in the velocities of two particles A and B are 0.05 and 0.02 m.sec^−1 respectively. The mass of B is five times to that of mass A. What is the ratio of uncertainties [ Δx B/Δx A ] in their positions ?

The de-Broglie wavelength of helium atom at room temperature is: