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IIT JEE Advanced 2008 Paper 1

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Question : 2

Total: 69

Two beams of red and violet colours are made to pass separately through a prism (angle of the prism is 60°). In the position of minimum deviation, the angle of refraction will be

30° for both the colours.
greater for the violet colour.
greater for the red colour.
equal but not 30° for both the colours.

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