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In a wave equation y(x, t) = A sin(kx - ωt), what does 'A' represent?

Practice Questions

Q1
In a wave equation y(x, t) = A sin(kx - ωt), what does 'A' represent?
  1. Wavelength
  2. Frequency
  3. Amplitude
  4. Wave number

Questions & Step-by-Step Solutions

In a wave equation y(x, t) = A sin(kx - ωt), what does 'A' represent?
  • Step 1: Understand that the wave equation is a mathematical way to describe waves.
  • Step 2: Look at the equation y(x, t) = A sin(kx - ωt).
  • Step 3: Identify the letter 'A' in the equation.
  • Step 4: Know that 'A' is a number that tells us how far the wave moves from its rest position.
  • Step 5: This distance is called the amplitude of the wave.
  • Step 6: The amplitude is the highest point the wave reaches above the rest position and the lowest point it goes below the rest position.
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