In which of the following mediums is the speed of sound maximum at 25°C?
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A.
Vaccum
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B.
Gases
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C.
Solids
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D.
Liquids
Correct Answer:
C. Solids
Explanation:
The speed of sound depends on the density and elasticity of the medium through which it travels. In solids, atoms are packed closely together and are held by strong intermolecular forces, allowing vibrations to be transmitted much more rapidly than in less dense states of matter. At a standard temperature of 25°C, sound waves move significantly faster through solids compared to liquids or gases. Sound cannot travel through a vacuum at all because there is no medium to transmit the vibrations. Consequently, the speed of sound is highest in solids.
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