In a diffraction pattern due to a single slit of width 'a', the first minimum is...

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In a diffraction pattern due to a single slit of width 'a', the first minimum is observed at an angle 30 when light of wavelength 5000 is incident on the slit. The first secondary maximum is observed at an angle of: (a) sin-1 (b) sin-1 (c) sin- (1) (d) sin-1 In a diffraction pattern due to a single slit of width 'a', the first minimum is observed at an angle 30 when light of wavelength 5000 is incident on the slit. The first secondary maximum is observed at an angle of: (a) sin-1 (b) sin-1 (c) sin- (1) (d) sin-1

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