what should be the angle of prism while crictal angle is C ?

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A light ray is incident by grazing one of the face of a prism and after refraction ray does not emerge out, what should be the angle of prism while crictal angle is C ?
12
Sep
A light ray is incident by grazing one of the face of a prism and after refraction ray does not emerge out, what should be the angle of prism while crictal angle is C ? A light ray is incident by grazing one of the face of a prism and after refraction ray does not [...]
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