Whether a sound wave is reflected, refracted, or absorbed depends on the densities of the materials either side of the boundary. If the densities are very different then reflection is more likely.
IN GREEK mythology, Echo was a mountain nymph who lost her voice and was condemned to repeat only the words of others. Now science is poised to silence the sprite completely. A group of physicists, ...
Properties of waves - OCR Gateway Properties, uses and hazards of electromagnetic waves - OCR Gateway Lenses and ray diagrams - OCR Gateway Light - OCR Gateway Sample exam questions - waves in matter ...
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