4 In a diffraction grating the width of opaque space is 2.5µm and clear space is 1.5um. Calculatethe intensity ratio of 2nd and 4th order principle maxima for 1=500 nm.

Intensity varies as sinββ2=sin2πλbsinθ2πλbsinθ2

Answered: In a diffraction grating the width of…

In a diffraction grating the width of opaque space is 2.5µm and clear space is 1.5µm. Calculate the intensity ratio of 2nd and 4th order principle maxima for 2 = 500 nm. ||

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 41P: A diffraction grating has 2000 lines per centimeter. At what angle will the first-order maximum be...

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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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In a diffraction grating the width of opaque space is 2.5µm and clear space is 1.5um. Calculate
the intensity ratio of 2nd and 4th order principle maxima for 1=500 nm.

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