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What is photometry?

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What is photometry?

    • Posted by Amit Maurya 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 5 answers

    Amit Maurya 7 years, 2 months ago

    One more i send . Please tell me nobody explin this

    0Thank You

    Amit Maurya 7 years, 2 months ago

    Ok thanks

    0Thank You

    Saumya Agrawal 7 years, 2 months ago

    Loght* light ... I think si unit is Lumen second

    0Thank You

    Amit Maurya 7 years, 2 months ago

    But what is its si unit?

    0Thank You

    Saumya Agrawal 7 years, 2 months ago

    Photometry is the technique to measure loght in terms of its brightness to human eyes...

    2Thank You

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