JEE Main & Advanced Chemistry Structure of Atom Question Bank Uncertainty principle and Schrodinger wave equation

  • question_answer The equation \[\Delta x.\Delta p\ge \frac{h}{4\pi }\] shows         [MP PET 2000]

    A)                 de-Broglie relation         

    B)                 Heisenberg?s uncertainty principle

    C)                 Aufbau principle

    D)                 Hund?s rule

    Correct Answer: B

    Solution :

     \[\Delta x\,.\Delta p\ge \frac{h}{4\pi }\] This equation shows Heisenberg?s uncertainty principle. According to this principle the product of uncertainty in position and momentum of particle is greater than equal to \[\frac{h}{4\pi }\].

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