Two equal-angle thin prisms of 5° are oppositely oriented. One has μ=1.50. Net deviation is 0.5° toward the second prism base. The second prism index is:
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Two equal-angle thin prisms of 5° are oppositely oriented. One has μ=1.50. Net deviation is 0.5° toward the second prism base. The second prism index is:

G1 Physics · Accepted Answer

5(μ₂−1)−5(0.5)=0.5, so μ₂−1=0.6 and μ₂=1.6.