When a monochromatic light of wavelength 431 nm incident on a double slit of slit separation 8 um, there are 5 interference fringes in its central maximum. How many interference fringes will be in the central maximum of a light of wavelength 632.7 nm for the same double slit?

When a monochromatic light of wavelength 431 nm incident on a double slit of slit separation 8 um, there are 5 interference fringes in its central maximum. How many interference fringes will be in the central maximum of a light of wavelength 632.7 nm for the same double slit?

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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When a monochromatic light of wavelength 431 nm incident on a double slit of slit separation 8 µm, there are 5 interference
fringes in its central maximum. How many interference fringes will be in the central maximum of a light of wavelength
632.7 nm for the same double slit?
fringes

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