What is a LONGITUDINAL wave #Shorts

What is a ground wave? Why short wave communication over long distance is not possible via ground waves?

What is the evidence in support of the fact that (a) sound is a wave (b) sound is a mechanical wave (c) sound waves are longitudinal.

What is the distance between a compression and its nearest rarefaction in a longitudinal wave?

What do you understand by (a) medium wave band (b) short wave band?

What are longitudinal waves and transverse waves ?

What is the nature of sound Longitudinal wave or Transverse wave ?

(a) What are longitudinal waves and transverse waves? Explain with the help of labelled diagrams. (b) Give two examples each of longitudinal waves and transverse waves.

What is the angle between the particle velocity and wave velocity in longitudinal waves and in transverse ?

Why is sound wave called a longitudinal wave ?

Write expression for the speed of a longitudinal wave in a liquid or gas.