# physic of modern technology

A standard 2500„aC light bulb produces what fraction of its light at wavelengths that cannot be detected by the human eye as visible light? You can submit the answer as a decimal fraction or as a percent, so that if the answer were one half, you could use either 0.5 or 50%. Explain your response.

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1. I am wondering what a standard light bulb is.

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bobpursley

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