JEE Main & Advanced
Physics
Ray Optics
Question Bank
Self Evaluation Test - Ray Optics and Optical Instruments
question_answer
A thin prism \[{{P}_{1}}\] with angle \[4{}^\circ \] and made from glass of refractive index 1.54 is combined with another thin prism \[{{P}_{2}}\] made from glass of refractive index 1.72 to produce dispersion without deviation. The angle of the prism \[{{P}_{2}}\] is