Interference bands are produced when monochromatic light is incident on two slits which are 0.09 mm apart. The screen is 70.7 cm away and 21 fringes occupy a total distance of 8.20 cm. Calculate the wavelength of the light and give the answer in nanometers (nm).

Interference bands are produced when monochromatic light is incident on two slits which are 0.09 mm apart. The screen is 70.7 cm away and 21 fringes occupy a total distance of 8.20 cm. Calculate the wavelength of the light and give the answer in nanometers (nm).

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter3: Interference

Section: Chapter Questions

Problem 59AP: The interference pattern of a He-Ne laser light (=632.9nm) passing through two slits 0.031 mm apart...

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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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