Question:
30 Light is incident normally on face AB of a prism as shown
Last updated: 6/26/2023
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30 Light is incident normally on face AB of a prism as shown in figure A liquid of refractive index u is placed on face AC of the prism the prism is made of glass of refractive index The limit of 1 for which total internal reflection takes place on face AC is A 3 4 3 3 60 Liquid 90 B 30 3 2 2 4 2 C 3 3 4 7 3 4