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NEET2006PhysicsWaves and SoundActual

A stone thrown into still water, creates a circular wave pattern moving radially outwards. If r is the distance measured from the centre of the pattern, the amplitude of the wave varies as

Options

  1. Ar^ -1 / 2
  2. Br⁻¹
  3. Cr⁻²
  4. Dr^ -3 / 2 .

Correct answer

A. r^ -1 / 2

Step-by-step solution

For circular wave, intensity I 1 r . Amplitude, A I , A 1 r or, A r^ -1 / 2 .

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