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When plane waves cross a boundary at a non-zero angle to the boundary, each wavefront experiences a change in ........... and ............ .

Sagot :

Answer:

When plane waves cross a boundary at a non-zero angle to the boundary, each wavefront experiences a change in direction and wavelength

Explanation:

Waves that cross the boundary from one medium to another, that have different densities at an angle to the boundary between the two medium is refracted (bent) in the second medium and experiences a change in direction and speed due to a change in the wavelength of the wave