JEE Main & Advanced Physics Mathematical Tools, Units & Dimensions Question Bank Units

  • question_answer
    Wavelength of ray of light is \[0.00006\,m\]. It is equal to [CPMT 1977]

    A) \[6\,\,microns\]

    B) \[60\,\,microns\]

    C) \[600\,\,microns\]

    D) \[0.6\,\,microns\]

    Correct Answer: B

    Solution :

    \[6\times {{10}^{-5}}=60\times {{10}^{-6}}=60\,microns\]


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