Question

define velocity of sound wave​

Answer 1

The velocity of sound is a vector u whose magnitude |u| is the speed of sound u and whose direction is normal to the surface of constant phase.

Answer 2

Answer:

$\huge{\underline{\mathtt{\red {A}\pink{N}\green{S}\blue{W}\purple {E}\orange{R}}}}$

The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. At 20 °C, the speed of sound in air is about 343 metres per second, or a kilometre in 2.9 s or a mile in 4.7 s