JEE Main 2022 Chemistry question
The minimum uncertainty in the speed of an electron in an one dimensional region of length (Where = Bohr radius 52.9 pm) is km . (Given : Mass of electron = kg, Planck's constant Js)
Answer: 548
Solution
By Heisenberg's uncertainty principle , so $Δ v = h/(4π · m· Δ x) = 6.63
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