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(i) In the diagram alongside a ray of light PQ is incident normally on one face AB of an equilateral glass prism. What are the angle of incidence at the faces AB and AC?


icse-solutions-class-10-physics-46

(ii) Complete the ray diagram showing its emergence into air after passing through the prism.

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(i) ∠ of incidence of face AB = 0°
∠ of incidence of face AC = 60°


icse-solutions-class-10-physics-47

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