Two narrow slits are separated by 0.15 mm and located 0.80 m from a screen

PHYSICS · Subjective · CBSE · Physics · Wave Optics · Wave Optics

Problem

Two narrow slits are separated by 0.15 mm and located 0.80 m from a screen. The fifth bright fringe is measured to be 6.8 cm from the central maximum. Without assuming the small-angle approximation, determine the wavelength of the light used.

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