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A glass prism deviates the red and blue ...

A glass prism deviates the red and blue colour rays through `8^(@) and 10^(@)`, respectively. A second prism of equal refracting angle deviates them through `10^(@) and 12^(@)` respectively. Calculate the ratio of their dispersive powers.

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To solve the problem of finding the ratio of the dispersive powers of two prisms, we can follow these steps: ### Step 1: Understand the given data - For the first prism: - Deviation for red light, \( \delta_r = 8^\circ \) - Deviation for blue light, \( \delta_b = 10^\circ \) - For the second prism: ...
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