Subject :NSO Class : Class 10
Three glass prisms A, B and C of the same refractive index are placed in contact with each other as shown in the figure with no air gap between the prisms.
A ray of light OP passes through the prism assembly and emerges as QR. The condition of minimum deviation is satisfied in the prisms
AA and C only
BB and C only
CA and B only
DA, B and C