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masha2204

  • 2 years ago

How many times is the blue light (blue photons) more energetic than the red light (red photons)?

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  1. gohangoku58
    • 2 years ago
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    Excellent latex work, @UnkleRhaukus ! :D

  2. UnkleRhaukus
    • 2 years ago
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    \[E=h\nu={hc}/\lambda\] \[\lambda_{\color{red}{\text{red}}}\approx690[\text{nm}]\]\[\lambda_{\color{blue}{\text{blue}}}\approx460[\text{nm}]\] \[{E_{\color{blue}{\text{blue}}}}=n\times{E_{\color{red}{\text{red}}}}\]

  3. UnkleRhaukus
    • 2 years ago
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    \[n=\frac{E_{\color{blue}{\text{blue}}}}{E_{\color{red}{\text{red}}}}=\frac{hc/\lambda_{\color{blue}{\text{red}}}}{hc/\lambda_{\color{red}{\text{red}}}}=\frac{1/\lambda_{\color{blue}{\text{blue}}}}{1/\lambda_{\color{red}{\text{red}}}}=\frac{\lambda_{\color{red}{\text{red}}}}{\lambda_{\color{blue}{\text{blue}}}}\]

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