Question 20. The velocities of sound waves in four different mediums P, Q, R and S are 350m/s. 2000 m's, Om's and 6000 m/s. respectively. Which medium could be liquid in nature?
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Answer:
Medium Q could be liquid in nature.
Explanation:
speed of sound is greater in solids because solids molecules are close to each other. ( medium S)
speed of sound is 0 in vaccum because there is particles ( medium R)
speed of sound in air could be 350 m/s ( medium p)
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