JEE Main & Advanced Chemistry Structure of Atom Question Bank Dual nature of electron

  • question_answer Minimum de-Broglie wavelength is associated with [RPMT 1999]

    A)                 Electron              

    B)                 Proton

    C)                 \[C{{O}_{2}}\] molecule               

    D)                 \[S{{O}_{2}}\] molecule

    Correct Answer: D

    Solution :

               \[\lambda =\frac{h}{mv}.\] For same velocity \[\lambda \propto \frac{1}{m}\].                 \[S{{O}_{2}}\] molecule has least wavelength because their molecular mass is high.

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