during refraction of light from rarer medium to denser medium, why frequencies of incident ray & refracted ray are the same. Explain.

during refraction of light from rarer medium to denser medium, why fre

1.	during refraction of light from rarer medium to denser medium, why frequencies of incident ray & refracted ray are the same. Explain.
Answer» because REFRACTION means bending of light it TOUCHES the principal AXIS so the theorem of ANGLE incident = angle of reflection