How to draw a reflected wave in optics

Thread starter bbbbb
Start date Dec 8, 2020
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Drawing Optical Wave

1 reply · 1K views · last reply Dec 10, 2020

bbbbb

Thread starter
Dec 8, 2020

Homework Statement: Draw the reflected wave in each of the situation

Relevant Equations: Nothing except diagrams

Handwritten notes on wave reflection: air (n1 = 1.0003, v1 more) and glass (n2 = 1.5, v2 less); incident wave in air reflects from glass boundary, fixed/clamped end, out of phase 180°; reverse case dense glass to rare air, free end, in phase, path diff = 0.

That is the diagram of the question. How is the reflected going to be?

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lekh2003

Gold Member

Dec 10, 2020

https://en.wikipedia.org/wiki/Reflection_phase_change

Light waves change phase by 180° when they reflect from the surface of a medium with higher refractive index than that of the medium in which they are travelling.

How to draw a reflected wave in optics

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