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EAMCET Medical EAMCET Medical Solved Paper-1996

  • question_answer
    The wavelength of light having wave number \[4000\,\text{c}{{\text{m}}^{-1}}\] is :

    A)  \[2.5\,\mu \,m\]                            

    B)  \[1.5\,\mu \,m\]

    C)  \[3.0\,\mu \,m\]                            

    D)  \[2.0\,\mu \,m\]

    Correct Answer: A

    Solution :

                     \[\lambda =\frac{1}{{{v}^{-}}}\] Where \[\lambda =\]wavelength \[{{\text{v}}^{-}}=\] wave number \[\lambda =\frac{1}{4000}=2.5\times {{10}^{-4}}\,\text{cm}\] \[=2.5\,\mu m.\]


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