Minimum angle of incidence in the denser medium for which angle of refraction becomes 90° is called _________ .

Minimum angle of incidence in the denser medium for which angle of ref

1.	Minimum angle of incidence in the denser medium for which angle of refraction becomes 90° is called _________ .
Answer» CRITICAL ANGLEExplanation:When LIGHT TRAVELS from denser to rarer medium, the ANGLE of incidence at which angle of REFRACTION is 90 degree is called critical angle of incidence . ANSWER: crtical angle is the minimum angle of incidence for which the light gets refracted at 90 degree

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Minimum angle of incidence in the denser medium for which angle of refraction becomes 90° is called _________ .

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