The incident ray travels from denser medium to rarer medium the refracted ray coincides with inter face of the two media then angle made by refracted ray with normal is
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The incident ray travels from denser medium to rarer medium the refracted ray coincides with inter face of the two media then angle made by refracted ray with normal is CRITICAL ANGLE.
here, the phenomenon 'total internal reflection' is happening
here, the phenomenon 'total internal reflection' is happening
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