Find the dispersive power of flint glass. The refractive indices of flint glass for red, yellow and violet light are 1.613, 1.620 and 1.632 respectively.

Explanation

To find the dispersive power of flint glass, we can use the formula:

\[ \text{Dispersive Power} = \frac{n_v - n_r}{n_y - 1} \]

where:
- \( n_v \) = refractive index for violet light
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