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    Question

    What is the wavelength of visible

    spectrum?
    A 1300 A° -3000 A° Correct Answer Incorrect Answer
    B 3900 A° - 7600 A° Correct Answer Incorrect Answer
    C 7800 A° - 8000 A° Correct Answer Incorrect Answer
    D 8500 A° - 9800 A° Correct Answer Incorrect Answer

    Solution

    The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengthsfromabout390to750nm interms of angstrom it is in between 3900 - 7600 A°.

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