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Physics Revision

Superposition- The resultant displacement at any point is found by adding displacement
amplitudes.
Interference- Constructive: Two sources in fixed phase, path difference is an even
number of half wavelengths.
Destructive: Two sources in fixed phase, path difference is an odd number
of half wavelengths.
Coherent- Two sources are…

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Youngs modulus- Stress y by strain x graph
When line of best fit is linear it is elastic behaviour
When line of best fit is bent it is plastic behaviour
Ductile material goes from elastic to plastic behaviour
Brittle material is elastic behaviour, reaches the elastic limit and
snaps
Are…

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