(Solution) - Two glass prisms are placed together Fig 22 30 a If -(2025 Original AI-Free Solution)

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Two glass prisms are placed together (Fig. 22.30).

(a) If a beam of light strikes the face of one of the prisms at normal incidence as shown, at what angle does the beam emerge from the other prism?
(b) At what angle of incidence would the beam be refracted along the inter-face of the prisms?