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Pitch

The pitch of a note corresponds to its frequency.The frequency can be changed by changing the tension in the string or the length of the string.If the tension is increased the frequency is increased.If the length is decreased the frequency is increased.μ = mass per unit length

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Specification: AQA Physics (7407), AS-level, 3.3.1.3 Principle of superposition of waves and formation of stationary waves. Topic: Waves.

Key terms in this lesson

Diffraction
The spreading out of waves as they pass through a gap or around an obstacle.
Interference
The formation of points of cancellation and reinforcement where two coherent waves overlap and superpose.

More in Waves

All 24 lessons in Waves · All AQA AS-level Physics topics