JCECE Engineering JCECE Engineering Solved Paper-2007

  • question_answer
    The de-Broglie wave length of a panicle with mass \[1\,\,kg\] and velocity \[100\,\,m/s\] is

    A) \[6.6\times {{10}^{-33}}m\]                        

    B) \[6.6\times {{10}^{-36}}m\]

    C) \[3.3\times {{10}^{33}}m\]                         

    D)  \[3.3\times {{10}^{-36}}m\]

    Correct Answer: B

    Solution :

    \[\because \]     \[\lambda =\frac{h}{mv}=\frac{6.6\times {{10}^{-34}}}{1\times 100}\]                    \[=6.6\times {{10}^{-36}}m\]


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