JEE Mains Chemistry Past PapershardNUMERICAL

Based on Heisenberg's uncertainty principle, the uncertainty in the velocity of the electron to be fJEE Mains Chemistry Past Papers Chemistry Question

Question

Based on Heisenberg's uncertainty principle, the uncertainty in the velocity of the electron to be found within an atomic nucleus of diameter 10–15 m is ______× 109 ms–1 (nearest integer) [Given : mass of electron = 9.1 × 10–31 kg, Plank's constant (h) = 6.626 × 10–34 Js] (Value of = 3.14)

Answer: .

💡 Solution & Explanation

h m V. x    31 6.626 10 V 9.1 10 4 3.14          57.97 10 m/sec   

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