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Chemistry: Atoms First

3rd Edition
Julia Burdge + 1 other
ISBN: 9781259638138

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BuyFindarrow_forward

Chemistry: Atoms First

3rd Edition
Julia Burdge + 1 other
ISBN: 9781259638138
Interpretation Introduction

Interpretation:

The minimum uncertainty in the speed of the Ping-Pong ball which has the masses of 2.80 g and the uncertainty in position equalling to one wavelength of the photons of blue light of 430 nm and the comment on the magnitude of the obtained result should be explained.

Concept Introduction:

The Heisenberg uncertainty principle says that it is impossible to know simultaneously both the momentum (p) and the position (x) of a particle with certainty.

Mathematically, ΔxΔp  h

For a particle having the mass m, ΔxmΔu   h

Where, Δx and Δu are uncertainty in measuring the position and velocity of the particle respectively; h is Planck’s constant (6.63 × 1034 Js).

To find: Calculate the minimum uncertainty in the speed of the Ping-Pong ball which has the masses of 2.80 g and the uncertainty in position equalling to one wavelength of the photons of blue light of 430 nm and the comment on the magnitude of the obtained result

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