The wavelength of the light is changed to a value other than 440 nm, with the result

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The wavelength of the light is changed to a value other than 440 nm, with the result that the linear distance to the seventh bright fringe above the central bright fringe is 12 cm. The screen is still 2.3 m from the slits, and the slit separation is 8.5 × 10-5 m.

(a) Is the new wavelength longer or shorter than 440 nm? Explain.

(b) Find the new wavelength.

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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