Monochromatic light falls on a slit that is 2.60 x10-3mmwide. If the angle between the first dark fringes on eitherside of the central maximum is 28.0° (dark fringe to darkfringe), what is the wavelength of the light used?

Monochromatic light falls on a slit that is 2.60 x10-3mmwide. If the angle between the first dark fringes on eitherside of the central maximum is 28.0° (dark fringe to darkfringe), what is the wavelength of the light used?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 39P: When a monochromatic light of wavelength 430 nm incident on a double slit of slit separation 5 m,...

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Concept explainers

Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.

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Monochromatic light falls on a slit that is 2.60 x10-3mm
wide. If the angle between the first dark fringes on either
side of the central maximum is 28.0° (dark fringe to dark
fringe), what is the wavelength of the light used?

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