Question: 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

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?

1.60 45 45 1.40

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a For refraction at the prismprism interface 160 sin 45 140 sin q 2 so q 2 sin 1 0808 539 Fo... View full answer

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