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Where ''E'' is the energy of the photon and <math>\nu</math> is its frequency.   
 
Where ''E'' is the energy of the photon and <math>\nu</math> is its frequency.   
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The value of '''Planck's constant''' is approximately 6.626 × 10-34 joule-seconds.
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The value of '''Planck's constant''' is approximately <math>6.626 \times 10^{-34}</math> joule-seconds.
 
[[category:physics]]
 
[[category:physics]]
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