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

  • question_answer A cricket ball of \[0.5\,kg\] is moving with a velocity of \[100\,m/\sec \]. The wavelength associated with its motion is [DCE 2004]

    A)                 \[1/100cm\]      

    B)                 \[6.6\times {{10}^{-34}}m\]

    C)                 \[1.32\times {{10}^{-35}}m\]     

    D)                 \[6.6\times {{10}^{-28}}m\]

    Correct Answer: C

    Solution :

               From de Broglie equation                                 \[\lambda =\frac{h}{mv}\]= \[\frac{6.62\times {{10}^{-34}}}{0.5\times 100}\] = \[1.32\times {{10}^{-35}}m\].

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