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Problem on wave particle dualism and Uncertainity Principle

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An electron of energy 200 eV is passed through a circular hole of radius 10^-4 cm. Find the uncertainty introduced in the angle of emergence? What would be the corresponding uncertainty for a 0.1 g lead ball thrown with a velocity 10^3 cm/s through a hole of 1 cm radius?

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Solution Summary

This is a classical problem on the wave particle duality and Heisenberg's Uncertainty principle.