Two thin prisms with opposite bases have (A₁, μ₁)=(3°, 1.5) and (A₂, μ₂)=(2°, 1.6). What is the magnitude of their net angular deviation?
Options

Question

Two thin prisms with opposite bases have (A₁, μ₁)=(3°, 1.5) and (A₂, μ₂)=(2°, 1.6). What is the magnitude of their net angular deviation?

G1 Physics · Accepted Answer

The deviations are δ₁=(μ₁−1)A₁=1.50° and δ₂=(μ₂−1)A₂=1.20°. Opposite bases give |δ₁−δ₂|=0.30°.