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Study Companion

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Question
Q197) Given : The mass of electron is 9.11×10–31 kg. Planck’s constant is 6.626×10–34 Js, the uncertainty involved in the measurement of velocity within a distance of 0.1 Å is [AIPMT (Prelims)-2006]



SOLUTION

Δx × Δp = h/4π
Answer:(a)