Question

what is wave front? Name the type of wave front observed from a distance point source​

Answer 1

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A wavefront is a line or surface in the path of wave motion on which the disturbances at every point have the same phase.

Point source - Spherical Wavefront

Distant light source - Plane wave front

Answer 2

Concept Introduction:-

Wavefront is a phase where optical phase has its own phase. It is a surface where the crest of the sinusoidal water wave has a maximum value.

Explanation:-

Wavefront is a line or surface in which the wave of its path and motion on which the disturbances at every point have its exact phase. It is three types depend on the source of light. The types are:-

1. Cylindrical wavefront

2. Spherical wavefront

3. Plane wavefront

Final Answer:-

According to the question wavefront is a identical wave which is a common origin travels through a homogeneous medium.