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AIEEE 2009 Solved Paper

Section: Chemistry

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Question : 2

Total: 89

In an atom, an electron is moving with a speed of 600m/ s with an accuracy of 0.005%. Certainty with which the position of the electron can be located is (h=6.6×10−34‌kg‌m2‌ s−1., mass of electron, em=9.1×10−31‌kg )

5.10×10−3m
1.92×10−3m
3.84×10−3m
1.52×10−4m

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