JEE Main & Advanced
Physics
Ray Optics
Question Bank
Numerical Value Type Questions - Ray Optics and Optical Instruments
question_answer
A prism ABC of angle \[30{}^\circ \] has its face AC silvered. A ray of light incident at an angle of \[45{}^\circ \] at the face AB retraces its path after refraction at face AB and reflection at face AC. The refractive index of the material of the prism is