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A light is incident at 74 degree on an equilateral prism and deviation angle of 55 is obtained. How much the angle ofincidence should be reduced so that same derivation angle is obtaine (1)33degree (2) 27degree (3)19degree (4)51de |
| Answer» A light is incident at 74 degree on an equilateral prism and deviation angle of 55 is obtained. How much the angle ofincidence should be reduced so that same derivation angle is obtaine (1)33degree (2) 27degree (3)19degree (4)51de | |