An electron beam of 4 keV is diffracted through Bragg’s angle of30° for the first maxima. If the energy is increased to 16 keV, thecorresponding Bragg’s angle of diffraction will be nearly
1) 30
2)12
3) 16
4) 7
An electron beam of 4 keV is diffracted through Bragg’s angle of 30° for the first maxima. If the energy is increased to
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