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The velocities of sound waves in four me...

The velocities of sound waves in four media P, Q, R and S are 18,000 km/h, 9000 km/h, 0 km/h, and 1200 km/h, respectively. Which medium could be a liquid substance?

A

P

B

Q

C

R

D

S

Text Solution

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The correct Answer is:
D
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