Question

For a transverse wave, what is a wavefront?

Answer 1

Answer:

A wavefront is the long edge that moves, for example, the crest or the trough. Each point on the wavefront emits a semicircular wave that moves at the propagation speed v.

Answer 2

Answer:

A wavefront is a surface containing points affected in the same way by a wave at a given time such as crest and troughs