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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Self Evaluation Test - Structure of Atom

  • question_answer
    The de Broglie wavelength of a tennis ball of mass 60 g moving with a velocity of 10 metres per second is approximately

    A) \[{{10}^{-31}}\]         

    B) \[{{10}^{-16}}\]

    C) \[{{10}^{-25}}\]         

    D) \[{{10}^{-33}}\]

    Correct Answer: D

    Solution :

    [d] \[\lambda =\frac{h}{mv}=\frac{6.6\times {{10}^{-34}}}{60\times {{10}^{-3}}\times 10}={{10}^{-33}}m\]


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