Determine the angular spread between central maximum and first order maximum of the diffraction pattern due to a single slit of width `0.25 mm`, when light of wavelength `5890 Å` is incident on it normally ?

Determine the angular separation betwen central maximum and first order maximum of the difraction pattern due to a single slit of width 0.25 mm,when light of wavelength 5,890 overset@A is incident on it normally.

Determine the angular separation between central maximum and first order secondary maximum of the diffraction pattern due to a single slit of width 0.25 mm when light of wavelength 5890 Å falls on it normally.

Determine the angular separation between central maximum and first order maximum of the diffraction pattern due to a single slit of width 0.25 mm when light of wavelength 589nm falls normally on it.

What is the angular spread of the first maximum and the central maximum when diffraction is observed with 540 nm light through a slit of width 1 mm ?

Angular width of central maximum in diffraction at a single slit is……………. .

Angular width of central maximum in diffraction at a single slit is……………. .