Question

The velocities of sound waves in four media P, Q, R and S are 18,000 km/h, 900 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

Answer 1

Answer:

the answer is p because when the medium of p is the pressure washer t could also is awesome

Answer 2

Answer:

p is right answer......hope this answer is helpful for you