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

  • question_answer The de-Broglie wavelength associated with a particle of mass \[{{10}^{-6}}kg\] moving with a velocity of \[10\,\,m{{s}^{-1}}\], is [AIIMS 2001]

    A)                 \[6.63\times {{10}^{-22}}m\]     

    B)                 \[6.63\times {{10}^{-29}}\,m\]

    C)                 \[6.63\times {{10}^{-31}}\,m\]

    D)                 \[6.63\times {{10}^{-34}}\,m\]

    Correct Answer: B

    Solution :

               Mass of the particle \[(m)={{10}^{-6}}\]kg and velocity of the particle \[(v)=10\,m{{s}^{-1}}\]                 \[\lambda =\frac{h}{mv}=\frac{6.63\times {{10}^{-34}}}{{{10}^{-6}}\times 10}=6.63\times {{10}^{-29}}m\]

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