JEE Main 2026 Physics question

PhysicsRay Optics and Optical InstrumentsJEE Main 2026

Consider an equilateral prism (refractive index ). A ray of light is incident on its one surface at a certain angle i. If the emergent ray is found to graze along the other surface then the angle of refraction at the incident surface is close to .

Answer: (1)

Solution

For grazing emergence, ; with , .

Question ID VK-001110