A line or surface on which the disturbance has the same phase at all points is called

A line or surface on which the disturbance has the same phase at all points is called
  1. wavefront
  2. wave train
  3. wave pulse
  4. path difference

Solution

A wavefront is a line or surface on which the disturbance has the same phase at all points.

Practice more Waves and Sound questions on Aicharya