Two thin prisms with opposite bases have (A₁, μ₁)=(6°, 1.5) and (A₂, μ₂)=(4°, 1.4). What is the magnitude of their net angular deviation?
Options

Question

Two thin prisms with opposite bases have (A₁, μ₁)=(6°, 1.5) and (A₂, μ₂)=(4°, 1.4). What is the magnitude of their net angular deviation?

G1 Physics · Accepted Answer

The deviations are δ₁=(μ₁−1)A₁=3.00° and δ₂=(μ₂−1)A₂=1.60°. Opposite bases give |δ₁−δ₂|=1.40°.