Physics 9702 · AS & A Level · Progressive waves

Progressive waves — practice question

How does the amplitude of a wave relate to its intensity?

  • Aamplitude $\propto$ intensity
  • Bamplitude $\propto$ (intensity)$^2$
  • Camplitude $\propto \sqrt{\text{intensity}}$
  • D(amplitude)$^2 \propto \sqrt{\text{intensity}}$

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