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In diffraction from straight edge, source of a light with wavelength 5000 Angstrom is at 2m away from straight edge and the screen is placed 4 m away from straight edge.The position of the first bright band from P is ​

Answer»

As the wavelength increases, the spacing between the nodal LINES and the anti-nodal lines increases. That is, the nodal and antinodal lines spread FARTHER apart as the wavelength GETS larger. In 1801, Thomas Young used a two-point source interference pattern to MEASURE the wavelength of light.www.physicsclassroom.com › iplThe Physics



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