Examining photos of Newtons rings we observe that fringes at large values of m seem to be

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Examining photos of Newton€™s rings we observe that fringes at large values of m seem to be nearly equally spaced. To see that analytically, show that

(Xm+1 (Хт+1 — Хт) 1 - 2m (Xm+2 – Xm+1)

When m is large, the spacings between consecutive fringes are approximately equal.

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Optics

ISBN: 978-0133977226

5th edition

Authors: Eugene Hecht

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