For two thin prisms with opposite bases and zero net mean deviation, select all correct statements.

Select all that apply

• Option A

  Their deviation magnitudes are equal

• Option B

  (μ₁-1)A₁=(μ₂-1)A₂ for the chosen wavelength

• Option C

  Their prism angles μst necessarily be equal

• Option D

  Their refractive indices μst necessarily be equal