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

  • question_answer
    If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be  [CPMT 1988]

    A)                 Zero      

    B)                 \[<\frac{h}{2\lambda }\]

    C)                 \[>\frac{h}{2\lambda }\]

    D)                 Infinite

    Correct Answer: D

    Solution :

                    \[\Delta x.\,\Delta p\,\ge \,\]\[\frac{h}{4\pi },\] if \[\Delta \,x=0\] then \[\Delta p=\infty \].


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