A silt of width `\'a\'` is illuminated by light of wavelength `6000 A^(@) FOR` What value of `\'a`
Channel: Doubtnut
Date: 2020-01-26

A silt of width `\'a\'` is illuminated by light of wavelength `6000 A^(@) FOR` What value of `\'a` will the :- (i) First maximum fall at an angle of diffraction of `30^(@)` ? (ii) First minimum fall at an angle of diffracton `30^(@)` ?