Question

using lens maker formula show how the focal length of given lens depends upon the colour of light incidence on it​

Answer 1

Using lens maker's formula, show how the focal length of a given lens depends upon the colorof light incident on it. ... According to cauchy's formula, refractive index of the material changes with wavelength of the incident light. n ( λ ) = B + C λ 2 + D λ 4 +
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