Thin-Film Interference, Pi shift, Derived Equations, Practical Examples - Physics

8 days ago
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Science Education constructive interference interference destructive interference thin film interference physics interference by division of wave front interference conditions beat interference wave interference

This video explains thin-film interference, including the phase change of light, derivation of constructive and destructive interference equations, diagram of light waves demonstrating the pi shift, practical examples (e.g. soap bubbles, oil film, simple anti-reflection coatings with the minimum thickness), and worked example practice problem and solution.

0:00 Phase change of light
3:38 Thin-film interference equations derived
13:21 Practical examples
19:16 Worked example

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