The velocities of sound waves in four mediums P, Q, R and S are 1800 km/hr, 900 km/hr, 0 km/hr and 1200 km/hr respectively. Which medium could be liquid substances?
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Answer:
1200 km /h answer mark as brainlest. as because air allow frequent and fast moving of sound . where as solid provide very less less movement of air through it .
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Answer:
Medium S can be a liquid substance
Explanation:
More is the density of medium, more is the speed of sound
Substance R is vacuum
Substance P is solid as speed of sound is maximum
Substance Q is gas as speed of sound is minimum
Velocity of sound in water is intermediate to velocity in solid and gas
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