Starting with the exact expression given by Eq. (5.5), show that Eq. (6.46) results, rather than Eq.

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Starting with the exact expression given by Eq. (5.5), show that Eq. (6.46) results, rather than Eq. (5.8), when the approximations for ℓand ℓare improved a bit.

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Optics

ISBN: 978-0133977226

5th edition

Authors: Eugene Hecht

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