Awesome Light Nikolas Patelis

Light & Shadows In Everyday Life

Light as Wave Frequency Color determined by frequency Energy determined by frequency

Light as Particle Photons Energy : hf Number of photons = Amount of Light

Combination Travelling Light  Wave Hitting Objects  Particle (photons)

1st Experiment Photons Less light = Less photons What we will need Black Is not ABSOLUTE Black Photons Less light = Less photons Black objects absorb most of the emitted photons A black object A lots of photons

2nd Experiment Less light = Less photons Photons Identity  hf Shadows have COLOR What we will need Less light = Less photons Photons Identity  hf Frequency determines the color of light Colored light source Object for the shadow A camera (sensitive)

Conclusion Not all black is ABSOLUTE black Shadows have the same color with the light emitted from the light source (frequency, particle & wave)

Thank You For Your Attention The End Thank You For Your Attention