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PhysicsJEE Main 21 Jan 2026, Shift 2·Q20·MCQ·Moderate

Ray Optics · Refraction

As shown in the diagram, when the incident ray is parallel to base of the prism, the emergent ray grazes along the second surface.
If refractive index of the material of prism is 2\sqrt2, the angle θ\theta of prism is.
  1. (1)60∘60^\circ
  2. (2)75∘75^\circ
  3. (3)90∘90^\circ
  4. (4)45∘45^\circ

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