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What is photorns

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What is photorns

    • Posted by Manas Gupta 7 years, 11 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Kamal Singh Rawat 7 years, 11 months ago

    The electron which exist from metal surface when light emit to the surface. The frequency of light is greater than threshold frequency.

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