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No diffraction grating is not used in polarization.
The ability of an optical instrument expressed in numerical measure to resolve the image of two nearby points is termed as resolving power. The dispersive power of a diffraction grating is defined as the rate of change of the angle of diffraction with the wavelength of lite. S M SOHEL RANA IU
A diffraction grating does not disperse light into its component colors. However, a prism does. A diffraction grating simply causes light to diffract and display an interference pattern on a screen.
In a plane diffraction grating, if the angle of diffraction is such that the minima due to diffraction component in the intensity distribution falls at the same positions of principal maxima due to interference component, then, that order of principal maxima will be missing or absent. For more information, please visit: http://www.theglobaltutors.com/theglobaltutors/Optics-Homework-Help/Spectra-Diffraction-Grating https://msk1986.files.wordpress.com/2010/12/unit-iii-diffraction.pdf
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Henry Augustus Rowland pioneered diffraction grating. This is when a periodic structure with an optical component is used to split light into several beams in separate directions.
No diffraction grating is not used in polarization.
It is an optical device to study about the spectrum produced by the refraction phenomenon through a triangular prism or obtained by the diffraction phenomenon at the grating.
The ability of an optical instrument expressed in numerical measure to resolve the image of two nearby points is termed as resolving power. The dispersive power of a diffraction grating is defined as the rate of change of the angle of diffraction with the wavelength of lite. S M SOHEL RANA IU
A diffraction grating does not disperse light into its component colors. However, a prism does. A diffraction grating simply causes light to diffract and display an interference pattern on a screen.
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In a plane diffraction grating, if the angle of diffraction is such that the minima due to diffraction component in the intensity distribution falls at the same positions of principal maxima due to interference component, then, that order of principal maxima will be missing or absent. For more information, please visit: http://www.theglobaltutors.com/theglobaltutors/Optics-Homework-Help/Spectra-Diffraction-Grating https://msk1986.files.wordpress.com/2010/12/unit-iii-diffraction.pdf
for diffraction grating mercury lamp is used not sodium lamp.
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spectroscope and its roles
measuring wavelengths of light
A diffractiongrating is an optical device consisting of many closely spaced parallellines or grooves. In a transmission type of grating, lightpasses through the narrow transparent slits that lie between the dark lines on a glassor plastic plate.