Answered: A diffraction grating has 1000…

A diffraction grating has 1000 slits/cm. When light of wavelength 480 nm is shone through grating, a) What is the seperation of the bright points 4.0m away? b) How many orders of this light are seen?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 91AP: A source of light having two wavelengths 550 nm and 600 nm of equal intensity is incident on a slit...

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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 1000 slits/cm. When light of wavelength
480 nm is shone through grating,
a) What is the seperation of the bright points 4.0m away?
b) How many orders of this light are seen?

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