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4 cards from this section. Quick, good the night before a test.
What does Huygens’ Principle state?
Think about how waves expand from a point.
Define constructive interference.
Remember bright spots in interference patterns.
What principle states that every point on a wavefront acts as a source of secondary wavelets?
Think of how each point contributes to the overall wave.
True or False: Constructive interference leads to dark fringes.
Remember what happens to waves that align.
A single slit with a width of 0.5 mm produces diffraction patterns with a wavelength of 600 nm. Calculate the angle for the first minimum.
Convert units properly and remember to use the small angle approximation.
Explain how the concepts of constructive and destructive interference can be applied to design noise-cancelling headphones.
Think about how wave patterns interfere when combined.
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