A prism of a certain angle deviates the red and blue rays by 8^0 and 12^0 respectively. Another prism of the same angle deviates the red and blue rays by 10^{\circ} and 14^{\circ} respectively. The prisms are small angled and made of different materials. The dispersive powers of the materials of the prisms are in the ratio

KCET 2007 Physics Solved Paper

Question : 5 of 60

Marks: +1, -0

A prism of a certain angle deviates the red and blue rays by 80 and 120 respectively. Another prism of the same angle deviates the red and blue rays by 10∘ and 14∘ respectively. The prisms are small angled and made of different materials. The dispersive powers of the materials of the prisms are in the ratio

11:9
6:5
9:11
5:6

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