MHT CET 2025 Chemistry question

Chemistry Structure of Atom MHT CET 2025

"It is impossible to determine simultaneously the exact position and exact momentum of an electron" This statement is called

(A)Pauli's exclusion principle
(B)Hund's rule
(C)Aufbau rule
(D)Heisenberg uncertainty principleCorrect

Answer: (D)

Solution

The statement is Heisenberg's uncertainty principle: , where the product of the uncertainties in position and momentum cannot be smaller than . Hence (D). Pauli's exclusion principle says no

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Question ID VK-103135