Question bank/JEE Main/Physics

In the shown figure a ray of light enters the face XY of a right
angered prism at grazing incident. It emerges from the adjacent face. YZ
at an angle[IMAGE]. If x is the critical angle of the
prism held in water of refractive index [IMAGE], then the
angle [IMAGE] with normal is

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[IMAGE] As at XY
[IMAGE] At YZ
[IMAGE] On solving

Source: Grass-G / P-14 Physics paper 7 Nov.docx