Single-colour light falling on two slits 0.042mm apart produces thefifth-order dark spot at a 3.8° angle. Calculate the wavelength of thelight.

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Single-colour light falling on two slits 0.042mm apart pro fifth-order dark spot at a 3.8° angle. Calculate the wavele light

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter3: Interference

Section: Chapter Questions

Problem 21P: What is the wavelength of light falling on double slits separated by 2.00 m if the third-order...

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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.

Question

Single-colour light falling on two slits 0.042mm apart produces the
fifth-order dark spot at a 3.8° angle. Calculate the wavelength of the
light.

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