In wave physics, what apparent frequency shift occurs when a sound source moves toward a stationary observer?

Answer and explanation

Correct answer: B. The observed frequency increases (higher pitch), known as the Doppler effect

  1. Step 1: In physics under the North Macedonian State Matura syllabus, The Doppler effect compresses wavefronts ahead of a moving source, elevating detected frequency. Answer: The observed frequency increases (higher pitch), known as the Doppler effect. Why not the others: The observed frequency decreases to zero results from an incorrect physical formulation.

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In wave physics, what… | Državna Matura (North Macedonia)