Answered: A diffraction grating has 1550…

A diffraction grating has 1550 slits/cm. How many full spectral orders can be seen (400 to 700 nm) when it is illuminated by white light? Express your answer as an integer. Find m.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter36: Applications Of The Wave Model

Section: Chapter Questions

Problem 32PQ

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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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A diffraction grating has 1550 slits/cm. How many full spectral orders can be seen (400 to 700 nm) when it is illuminated by white light?

Express your answer as an integer. Find m.

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