(a) A Plane transmission grating having 5000 lines per cm is being used under normal incidence of light. I. What is the longest wavelength of light for which a spectrum can be seen? II. What is the highest order spectrum that can be seen for the light of wavelength 6000 Aº

(a) A Plane transmission grating having 5000 lines per cm is being used under normal incidence of light. I. What is the longest wavelength of light for which a spectrum can be seen? II. What is the highest order spectrum that can be seen for the light of wavelength 6000 Aº

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.

Question

(a) A Plane transmission grating having 5000 lines per cm is being used under normal incidence
of light.
I.
What is the longest wavelength of light for which a spectrum can be seen?
II.
What is the highest order spectrum that can be seen for the light of wavelength
6000 Aº

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