A thin prism of crown glass (mur=1.515, ...

A thin prism of crown glass `(mu_r=1.515, mu_v=1.525) ` and a thin prism of flint glass `(mu_r=1.612, mu_v=1.632)` are placed in contact with each other. Their refracting angles are `5.0^@` each and are similarly directed. Calculate the angular dispersion produced by the combination.

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`0.15^@`

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